Analysis

  • max time kernel
    109s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 05:45

General

  • Target

    7a95ae3b370d318bff008a07fddf1b6deb1beb78fa9e021c5c9f106d1149b553.exe

  • Size

    401KB

  • MD5

    cb907b20ee4fb4389d25989d7de466e8

  • SHA1

    4d63141c71e834e81c5f57f90f663c409edf3a41

  • SHA256

    7a95ae3b370d318bff008a07fddf1b6deb1beb78fa9e021c5c9f106d1149b553

  • SHA512

    81c3f8e3362a565a426710b54e4f2b64165b764635818b788f43824b3f0cdd2dc354cbdb6ff945bdfe42bd4ade7ed05b721f978faa5af3d6df71cf6b81f13fe2

  • SSDEEP

    12288:jdI4y5LNCOuGcOq1H6Bvbw1tiNPUtIbsKRHo8:jq40NKaDiyPDI

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Extracted

Family

risepro

C2

5.42.67.8:50500

Signatures

  • Detect Vidar Stealer 13 IoCs
  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a95ae3b370d318bff008a07fddf1b6deb1beb78fa9e021c5c9f106d1149b553.exe
    "C:\Users\Admin\AppData\Local\Temp\7a95ae3b370d318bff008a07fddf1b6deb1beb78fa9e021c5c9f106d1149b553.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4924
      • C:\ProgramData\HJJKFBGCFH.exe
        "C:\ProgramData\HJJKFBGCFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3644
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:920
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 296
            4⤵
            • Program crash
            PID:2408
        • C:\ProgramData\BFCGDAAKFH.exe
          "C:\ProgramData\BFCGDAAKFH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4324
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2996
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:2416
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 276
                4⤵
                • Program crash
                PID:4604
            • C:\ProgramData\FBGCAAAAFB.exe
              "C:\ProgramData\FBGCAAAAFB.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:3492
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:4584
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 276
                4⤵
                • Program crash
                PID:4188
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AECFCAAECBGD" & exit
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1512
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:2972
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 276
            2⤵
            • Program crash
            PID:5104
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1424 -ip 1424
          1⤵
            PID:1456
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4472 /prefetch:8
            1⤵
              PID:3000
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=3564,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=3324 /prefetch:3
              1⤵
                PID:2276
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3644 -ip 3644
                1⤵
                  PID:4028
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4324 -ip 4324
                  1⤵
                    PID:212
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3492 -ip 3492
                    1⤵
                      PID:3468

                    Network

                    MITRE ATT&CK Matrix ATT&CK v13

                    Credential Access

                    Unsecured Credentials

                    3
                    T1552

                    Credentials In Files

                    3
                    T1552.001

                    Discovery

                    Query Registry

                    3
                    T1012

                    System Information Discovery

                    3
                    T1082

                    Collection

                    Data from Local System

                    3
                    T1005

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\ProgramData\BFCGDAAKFH.exe
                      Filesize

                      1.8MB

                      MD5

                      c72e70f29d3dd8fa148df55e8e6dec43

                      SHA1

                      2f182d43528f78d6d847b37b77da9a09a2ed1f0a

                      SHA256

                      baff3039b9acf97084d1b853f495026c52a4c483d010901e226beb599d23df5b

                      SHA512

                      d1923e33057413d478daaaaa54bb157762172a58ae03fc36e0c1c6e4d64c0c33d08bff7aec8759f533331215960d739fec2ffea86d18d1d8a70105927a6a5f12

                    • C:\ProgramData\FBGCAAAAFB.exe
                      Filesize

                      687KB

                      MD5

                      f3d3b5411e090124197b7b6297b1d8db

                      SHA1

                      90522c25164cb4b22242d95678547d86a68e52b7

                      SHA256

                      1d519af0b0b48faf1886065d31e5f27000228dad742e2f8f06504838d4bc02d5

                      SHA512

                      cee5f1c20cbe4067bafe1dedee8c4db870430b6e6f792accac95d3e05c20a64893ad3dd971182c8e7d001243e5bc933aa2532c93359b4af72ca691fd8fff8736

                    • C:\ProgramData\HJJKFBGCFH.exe
                      Filesize

                      490KB

                      MD5

                      93299cd3bcb2a0a2b38eeca1cdb8ae23

                      SHA1

                      473d70d598475f0d2784389ff543470638597cb2

                      SHA256

                      16a7754de464e184de4de3a7ec93c93d80d340b41b6579744f876c839085e3ca

                      SHA512

                      47486788b9f89736c1f9e306a39bca20f606924beed568694b5eb093c8b5042b1486c72e59f0d3350cb35103648babfbf653c75da6ee9293ec78f69bbc9ee3a4

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

                      2B

                      MD5

                      d751713988987e9331980363e24189ce

                      SHA1

                      97d170e1550eee4afc0af065b78cda302a97674c

                      SHA256

                      4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                      SHA512

                      b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
                      Filesize

                      40B

                      MD5

                      20d4b8fa017a12a108c87f540836e250

                      SHA1

                      1ac617fac131262b6d3ce1f52f5907e31d5f6f00

                      SHA256

                      6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

                      SHA512

                      507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

                    • memory/920-85-0x0000000000400000-0x0000000000455000-memory.dmp
                      Filesize

                      340KB

                    • memory/920-82-0x0000000000400000-0x0000000000455000-memory.dmp
                      Filesize

                      340KB

                    • memory/920-84-0x0000000000400000-0x0000000000455000-memory.dmp
                      Filesize

                      340KB

                    • memory/1424-1-0x0000000000B90000-0x0000000000B91000-memory.dmp
                      Filesize

                      4KB

                    • memory/2416-100-0x0000000000400000-0x0000000000596000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/2416-98-0x0000000000400000-0x0000000000596000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/2416-96-0x0000000000400000-0x0000000000596000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/2416-97-0x0000000000400000-0x0000000000596000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/2416-132-0x0000000000400000-0x0000000000596000-memory.dmp
                      Filesize

                      1.6MB

                    • memory/3644-81-0x0000000000B30000-0x0000000000BAF000-memory.dmp
                      Filesize

                      508KB

                    • memory/4324-95-0x0000000000E50000-0x0000000000E51000-memory.dmp
                      Filesize

                      4KB

                    • memory/4584-117-0x00000000080C0000-0x00000000081CA000-memory.dmp
                      Filesize

                      1.0MB

                    • memory/4584-119-0x0000000008070000-0x00000000080AC000-memory.dmp
                      Filesize

                      240KB

                    • memory/4584-130-0x000000000A0F0000-0x000000000A61C000-memory.dmp
                      Filesize

                      5.2MB

                    • memory/4584-129-0x00000000099F0000-0x0000000009BB2000-memory.dmp
                      Filesize

                      1.8MB

                    • memory/4584-128-0x0000000009110000-0x000000000912E000-memory.dmp
                      Filesize

                      120KB

                    • memory/4584-127-0x0000000009130000-0x00000000091A6000-memory.dmp
                      Filesize

                      472KB

                    • memory/4584-121-0x0000000008E00000-0x0000000008E66000-memory.dmp
                      Filesize

                      408KB

                    • memory/4584-120-0x00000000081D0000-0x000000000821C000-memory.dmp
                      Filesize

                      304KB

                    • memory/4584-118-0x0000000008010000-0x0000000008022000-memory.dmp
                      Filesize

                      72KB

                    • memory/4584-116-0x0000000008570000-0x0000000008B88000-memory.dmp
                      Filesize

                      6.1MB

                    • memory/4584-110-0x0000000000400000-0x0000000000482000-memory.dmp
                      Filesize

                      520KB

                    • memory/4584-111-0x00000000057C0000-0x0000000005D64000-memory.dmp
                      Filesize

                      5.6MB

                    • memory/4584-112-0x0000000005210000-0x00000000052A2000-memory.dmp
                      Filesize

                      584KB

                    • memory/4584-113-0x00000000053C0000-0x00000000053CA000-memory.dmp
                      Filesize

                      40KB

                    • memory/4924-20-0x0000000022160000-0x00000000223BF000-memory.dmp
                      Filesize

                      2.4MB

                    • memory/4924-114-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-17-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-5-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-18-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-61-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-115-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-35-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-45-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-36-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-3-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-52-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-60-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB

                    • memory/4924-0-0x0000000000400000-0x0000000000648000-memory.dmp
                      Filesize

                      2.3MB