Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-06-2024 01:43

General

  • Target

    dll (1).exe

  • Size

    1.8MB

  • MD5

    2d8725f268c90475c94941e550019cf9

  • SHA1

    c51ed1a97e71cbdfb7712f7fbe2251553f1054b7

  • SHA256

    8f619c4d07c848855b27863e887f95f7307ae2d46f64c661ca17a2d96798a2af

  • SHA512

    4998e8bf9e33f31e895783e31185fd678c368e3eb3b524b65ff1d988f0395cdd8d7a1aa6776d89b1f284656f2e6c97b848d8e909c167b52932a1d83382e57bb1

  • SSDEEP

    49152:d78cpUcrJCoHjuFnBPn20DRt8HcWynnBvIyn+inbT:d78cpUcrJC2q9BPjo8WyBv1n+in

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:35472

haxxy999-35472.portmap.host:35472

Attributes
  • Install_directory

    %Temp%

  • install_file

    svchost.exe

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 29 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\dll (1).exe
    "C:\Users\Admin\AppData\Local\Temp\dll (1).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\WaveInstaller.exe
      "C:\Users\Admin\WaveInstaller.exe"
      2⤵
      • Executes dropped EXE
      PID:1616
    • C:\Users\Admin\Feather new.exe
      "C:\Users\Admin\Feather new.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Feather new.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5092
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Feather new.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4912
      • 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\svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4656
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3252
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2488
      • C:\Users\Admin\AppData\Local\Temp\ybevvn.exe
        "C:\Users\Admin\AppData\Local\Temp\ybevvn.exe"
        3⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3932
        • 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\ybevvn.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3980
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ybevvn.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2316
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3564
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2400
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4068
      • C:\Users\Admin\AppData\Local\Temp\zgsnkb.exe
        "C:\Users\Admin\AppData\Local\Temp\zgsnkb.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1420
  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    C:\Users\Admin\AppData\Local\Temp\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:408
  • C:\ProgramData\svchost.exe
    C:\ProgramData\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:228

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

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

    944B

    MD5

    c1b0a9f26c3e1786191e94e419f1fbf9

    SHA1

    7f3492f4ec2d93e164f43fe2606b53edcffd8926

    SHA256

    796649641966f606d7217bb94c5c0a6194eef518815dacc86feacdd78d3c1113

    SHA512

    fa0290d77372c26a2f14cb9b0002c222bc757ce7ad02516b884c59a1108f42eb4c76884f9edb6c7149f7c3fac917eda99b72a3b1d72b7e118a1d5a73cadd15a8

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

    944B

    MD5

    329d930fea7f494cf4a36170921c064a

    SHA1

    aac7a8a6e8103600950e14a18c5bd9fdcf0d3e72

    SHA256

    95c0dc463114f6a9b5f0dd3d27ea44c551ee47f8c2b25b1a35c13633bf26f6f6

    SHA512

    b5c97e2b5c3d45e1b66a513f2405810bbc6e20409a0a6e302f6b44852ae40c710d538fb049eef9aadb58c9ba76acc6105bad49d8eeb33dd19a4e99262b7f18ba

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

    944B

    MD5

    1099dc40baabde4be41cc1faf6353f7d

    SHA1

    345705c6b9adc64389b6d142e7484d0cdd4f2bd0

    SHA256

    6cec99d44ed65e73240a96691f299a41e944a9c8f59c543df3ecd73d95c8bf40

    SHA512

    6315f1089cc8139531acc422741290c84a60841a65a8cc9844cd907c96694d33d164120c36f460a0bef03e67e2a60c33f9c968ac41edf3dd82cab015e00e74a1

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

    944B

    MD5

    cc19bcff372d20459d3651ba8aef50e7

    SHA1

    3c6f1d4cdd647864fb97a16b1aefba67fcee11f7

    SHA256

    366473e774d8976c7fd4dc582220666fb61a4feb3f7c95e69b2a68ad9e446ec9

    SHA512

    a0e360ca4b6e874fd44612bf4b17f3722c0619da4f6bade12a62efadae88c2d33460114eaafa2bc3fb1cef5bea07e745b8bee24f15d0cacaff5f4a521b225080

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

    944B

    MD5

    d0a40a2d16d62c60994d5bb5624a589b

    SHA1

    30f0a77f10518a09d83e6185d6c4cde23e4de8af

    SHA256

    c213a4024e89a0240d0b1fa3b18ea3db3db7bbe7ca1bdeed86dce9c2c4991ef8

    SHA512

    cecef5087f194a83948880e36445324406218f6877386d6db7850b8f97ac107e042ea9445bb7e73c6e6a2c7da9782b7dae8caba0a1c997677d096b3271a4cac0

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

    944B

    MD5

    e60eb305a7b2d9907488068b7065abd3

    SHA1

    1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

    SHA256

    ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

    SHA512

    95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

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

    944B

    MD5

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nwuquqdw.q33.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\ybevvn.exe
    Filesize

    84KB

    MD5

    32e2a2593d2ceb70749d5e070702da52

    SHA1

    2b9b2646ab4d0d0ca3cc722df7879254fbdc849e

    SHA256

    7a63f2c2d35675dd511249d34e399449ff37e9afdd327b21faed9da57715b1a5

    SHA512

    631ab888b85e9249784b39cf29f85fb7549110ec2c638eb42088bbaf00e5a38cbea6ce0eafe12592fd46d4a56bca84abb9c71b31db4ecf29c2e91d3da0f9b47e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk
    Filesize

    1KB

    MD5

    23fbfad94432784e9bc9603ff3a74abf

    SHA1

    8319ba3f6ee5fa098390edcf44774e10be0edba2

    SHA256

    f8f8297b2c2690eea1db70c18590f7e8844f2e13b50637b3a2580165ebfcabf8

    SHA512

    932deb64968479fbaf5b37ca9c03222231795f1c6115edb66865950f80a768198a2792e4e69126e79c110abd2096a49a68305374228bff2277ce62154d5a855d

  • C:\Users\Admin\Feather new.exe
    Filesize

    87KB

    MD5

    d937a01ea0bd6d64bf218bf9f052601d

    SHA1

    e47417cb8773b13c66717cc3137bda4f919578b2

    SHA256

    8d2252827e127ba22c6645d57981a0556149255ec6b430582c02d9e6b8cb2adb

    SHA512

    b1d73cf9377f1dcb774bce9840fafe950e44ab3d39763c2a12c918fb8a0a8de463a24b127388b59dae5fedd1147387ee9b1d0d1fcc0451d16094495f8703c0cd

  • C:\Users\Admin\WaveInstaller.exe
    Filesize

    1.5MB

    MD5

    b075f4320e46d0d5e78a649e8ee011cc

    SHA1

    b0dd50171323f0f83dbea0340e9ed8cf44bea38e

    SHA256

    8581823244a50bbed9709d09f3eba29dd9989681d96bff2b6c19245053069feb

    SHA512

    e08024b5fa50dc344ca18413a6c21e0f20490c22c90c565d6f663014f1673643da1d5d748e0cefca8a7cbae91a62470289803ad588d3aa5cf3dc6292d7393d47

  • memory/60-0-0x00007FFB1AA53000-0x00007FFB1AA55000-memory.dmp
    Filesize

    8KB

  • memory/60-1-0x0000000000AB0000-0x0000000000C8E000-memory.dmp
    Filesize

    1.9MB

  • memory/1488-124-0x000000001BEE0000-0x000000001BEEE000-memory.dmp
    Filesize

    56KB

  • memory/1488-177-0x000000001C9B0000-0x000000001C9BC000-memory.dmp
    Filesize

    48KB

  • memory/1488-119-0x00007FFB1AA50000-0x00007FFB1B511000-memory.dmp
    Filesize

    10.8MB

  • memory/1488-61-0x00000000005E0000-0x00000000005FC000-memory.dmp
    Filesize

    112KB

  • memory/1488-121-0x000000001B2F0000-0x000000001B300000-memory.dmp
    Filesize

    64KB

  • memory/1488-68-0x000000001B2F0000-0x000000001B300000-memory.dmp
    Filesize

    64KB

  • memory/1488-62-0x00007FFB1AA50000-0x00007FFB1B511000-memory.dmp
    Filesize

    10.8MB

  • memory/1616-66-0x000000000A130000-0x000000000A168000-memory.dmp
    Filesize

    224KB

  • memory/1616-65-0x0000000074AE0000-0x0000000075290000-memory.dmp
    Filesize

    7.7MB

  • memory/1616-64-0x0000000000BF0000-0x0000000000D82000-memory.dmp
    Filesize

    1.6MB

  • memory/1616-63-0x0000000074AEE000-0x0000000074AEF000-memory.dmp
    Filesize

    4KB

  • memory/1616-67-0x000000000A110000-0x000000000A11E000-memory.dmp
    Filesize

    56KB

  • memory/1616-120-0x0000000074AE0000-0x0000000075290000-memory.dmp
    Filesize

    7.7MB

  • memory/3932-144-0x0000000000B80000-0x0000000000B9C000-memory.dmp
    Filesize

    112KB

  • memory/5092-78-0x000001DD4AF60000-0x000001DD4AF82000-memory.dmp
    Filesize

    136KB