Analysis

  • max time kernel
    221s
  • max time network
    231s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-06-2024 14:41

General

  • Target

    XClient.exe

  • Size

    69KB

  • MD5

    95ffbe3fbb27e900e3bf7012175efc24

  • SHA1

    b386127111d1c82f20e4625b805aa8a01dae9192

  • SHA256

    aeea4b2f2f8d924f36c902d96c0b77182984530acaedb33b3124665c4b2f769f

  • SHA512

    409ede5eff17f9d239adae7df9a594072b828088e9a19d173f7064b89f678ee36a6b25db4ba0db6bb74521d7e88b12f737b8d80abd7854476df94aa89edacc95

  • SSDEEP

    1536:ALSNQK0UvT9Mti+zoQ+bVEmuZAauL67LHXOoG1U2CEW1:AeN1/QX+bCY6HXOv4EG

Malware Config

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4988
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:424
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\wininit.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'wininit.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1976
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "wininit" /tr "C:\Users\Admin\AppData\Roaming\wininit.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4360
  • C:\Users\Admin\AppData\Roaming\wininit.exe
    C:\Users\Admin\AppData\Roaming\wininit.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2452
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:3036
    • C:\Users\Admin\AppData\Roaming\wininit.exe
      C:\Users\Admin\AppData\Roaming\wininit.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4636
    • C:\Users\Admin\AppData\Roaming\wininit.exe
      C:\Users\Admin\AppData\Roaming\wininit.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Users\Admin\AppData\Roaming\wininit.exe
      C:\Users\Admin\AppData\Roaming\wininit.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1472
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x10c,0x110,0x114,0xe8,0x118,0x7ffcc509ab58,0x7ffcc509ab68,0x7ffcc509ab78
        2⤵
          PID:3552
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1672 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:2
          2⤵
            PID:2252
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2168 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:8
            2⤵
              PID:4432
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2252 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:8
              2⤵
                PID:3904
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3084 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:1
                2⤵
                  PID:4708
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3200 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:1
                  2⤵
                    PID:4992
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4192 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:1
                    2⤵
                      PID:4876
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4524 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:8
                      2⤵
                        PID:1008
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4756 --field-trial-handle=1868,i,6050951467539232457,3763344557383758474,131072 /prefetch:8
                        2⤵
                          PID:2408
                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                        1⤵
                          PID:1056

                        Network

                        MITRE ATT&CK Matrix ATT&CK v13

                        Execution

                        Command and Scripting Interpreter

                        1
                        T1059

                        PowerShell

                        1
                        T1059.001

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        Persistence

                        Boot or Logon Autostart Execution

                        1
                        T1547

                        Registry Run Keys / Startup Folder

                        1
                        T1547.001

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        Privilege Escalation

                        Boot or Logon Autostart Execution

                        1
                        T1547

                        Registry Run Keys / Startup Folder

                        1
                        T1547.001

                        Scheduled Task/Job

                        1
                        T1053

                        Scheduled Task

                        1
                        T1053.005

                        Defense Evasion

                        Modify Registry

                        1
                        T1112

                        Discovery

                        System Information Discovery

                        2
                        T1082

                        Query Registry

                        2
                        T1012

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                          Filesize

                          810B

                          MD5

                          157ef8f4d7fbab0d5b3708146b7025ff

                          SHA1

                          1bfb0bc1aaa78ac1174c38c011a74c9a360beedf

                          SHA256

                          3291427d47f2a196e574660fecefd4a4401af50bd4e5b047cbf6915d03c7629e

                          SHA512

                          9d0d4b862eaac0f915c5de93eea3f1a0cb1591aa4a53be1e02dd6f3ed7f39ef9b6431cf116482fdaeb4949fb8204666dfb1c29fc7a6cf926f5e154f1f8f3ef3c

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                          Filesize

                          7KB

                          MD5

                          747d907d0f470cd296f4588927b762fd

                          SHA1

                          31900b2c48e2685295fbb8c08c4faeb0cf73b52c

                          SHA256

                          c18a281db74ec31b0092438b4cd2cc365c3dcd3d8964b5d794890ea8e6a613af

                          SHA512

                          2660cc2e033fd95b9640104fdf7c97d27d2278f35e7f5d35e1c490311c637e27cf12193413c90e88a1e7904272f77b1c465fe602f63c0eccfbb06d9e13a36f77

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                          Filesize

                          257KB

                          MD5

                          d4769f73fcf8f3b16632dd8a5fb20ecc

                          SHA1

                          930e3823b5aca73dbe49b1e143425c4bff105b35

                          SHA256

                          a88dc7c0140e18606cc2150a2849940bddebe3e2dc82dbba32001d2bc5c41a64

                          SHA512

                          39d9923445d34c8ca8ae2f82943e1926f266802d12cc7a4c0902ac709d528c2790a822f1b14fd2925c3a8e0c21d36b0d3e8ff5d4477b9bbc21695ccd63de9a57

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                          Filesize

                          257KB

                          MD5

                          56919c664128031389bb99c4c12587c6

                          SHA1

                          8ca920c0aa6b5715ea8203aa62aeb551219e2b93

                          SHA256

                          4e4684e9242108a658aadd17e75439a248847a17bd96f9ae56ed676b96e3f389

                          SHA512

                          51c37bbfd4fd6d9c9d441475b55f5d8fd4357825a2d1f62d2ebccaae6d07a35ed453366754f7136ee1285f610e0bee9d8071c4641050e20f3573a9a8bf783f94

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                          Filesize

                          2KB

                          MD5

                          627073ee3ca9676911bee35548eff2b8

                          SHA1

                          4c4b68c65e2cab9864b51167d710aa29ebdcff2e

                          SHA256

                          85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

                          SHA512

                          3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\wininit.exe.log
                          Filesize

                          654B

                          MD5

                          2cbbb74b7da1f720b48ed31085cbd5b8

                          SHA1

                          79caa9a3ea8abe1b9c4326c3633da64a5f724964

                          SHA256

                          e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

                          SHA512

                          ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                          Filesize

                          944B

                          MD5

                          aa4f31835d07347297d35862c9045f4a

                          SHA1

                          83e728008935d30f98e5480fba4fbccf10cefb05

                          SHA256

                          99c83bc5c531e49d4240700142f3425aba74e18ebcc23556be32238ffde9cce0

                          SHA512

                          ec3a4bee8335007b8753ae8ac42287f2b3bcbb258f7fc3fb15c9f8d3e611cb9bf6ae2d3034953286a34f753e9ec33f7495e064bab0e8c7fcedd75d6e5eb66629

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                          Filesize

                          944B

                          MD5

                          052b734e3d0b49bccde40def527c10df

                          SHA1

                          2ac7c9bd7dc7bd54699fd06252a89a963e1c1ec0

                          SHA256

                          d51b94b595a5bee567d89011dc8d97f6210a7911828e5a24172708d5a177f65f

                          SHA512

                          bbe94350f51a4029f44631e5bb6658d9583d46011db3ca3159a21b179ab7dc7b200a27ccdf34897fdcba890acec2cdb84a2c1ba0cd95360478e38e911f56f4ba

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                          Filesize

                          944B

                          MD5

                          050567a067ffea4eb40fe2eefebdc1ee

                          SHA1

                          6e1fb2c7a7976e0724c532449e97722787a00fec

                          SHA256

                          3952d5b543e5cb0cb84014f4ad9f5f1b7166f592d28640cbc3d914d0e6f41d2e

                          SHA512

                          341ad71ef7e850b10e229666312e4bca87a0ed9fe25ba4b0ab65661d5a0efa855db0592153106da07134d8fc2c6c0e44709bf38183c9a574a1fa543189971259

                        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_goc2ajb1.egn.ps1
                          Filesize

                          60B

                          MD5

                          d17fe0a3f47be24a6453e9ef58c94641

                          SHA1

                          6ab83620379fc69f80c0242105ddffd7d98d5d9d

                          SHA256

                          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                          SHA512

                          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                        • C:\Users\Admin\AppData\Roaming\wininit.exe
                          Filesize

                          69KB

                          MD5

                          95ffbe3fbb27e900e3bf7012175efc24

                          SHA1

                          b386127111d1c82f20e4625b805aa8a01dae9192

                          SHA256

                          aeea4b2f2f8d924f36c902d96c0b77182984530acaedb33b3124665c4b2f769f

                          SHA512

                          409ede5eff17f9d239adae7df9a594072b828088e9a19d173f7064b89f678ee36a6b25db4ba0db6bb74521d7e88b12f737b8d80abd7854476df94aa89edacc95

                        • \??\pipe\crashpad_2120_JLSZVQEEBGWCOBFV
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/4088-50-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4088-54-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4088-0-0x00007FFCB83B3000-0x00007FFCB83B5000-memory.dmp
                          Filesize

                          8KB

                        • memory/4088-1-0x0000000000AB0000-0x0000000000AC8000-memory.dmp
                          Filesize

                          96KB

                        • memory/4988-17-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4988-14-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4988-13-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4988-11-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4988-12-0x00007FFCB83B0000-0x00007FFCB8E72000-memory.dmp
                          Filesize

                          10.8MB

                        • memory/4988-10-0x0000016CEA460000-0x0000016CEA482000-memory.dmp
                          Filesize

                          136KB