General

  • Target
    SETUP.zip
  • Size 10.7MB
  • Sample260903-qvba3syalg
  • SHA256 9b05f1ec83e0f252043c75ebefe40ee640e9f3aaf9e141c27b0bab0dbfab7142
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • acrstealer

Version
  • 4.3.8-alpha2

C2
  • sync.canyonmere.cc

Decoy
  • cdnjs.cloudflare.com

Attributes
  • ddrs

    https://telegra.ph/C-Introduction-08-21

  • guids

    01a034f4-51c1-7e0e-a650-137d7032a680

    f1575b64-8492-4e8b-b102-4d26e8c70371

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.2.6187.130 Safari/537.36

xor.hex

Targets

    • Target
      SHFolder.dll
    • Size 32KB
    • SHA256 13c479b1a4e2da092811ec64179eb12689eb1a5a4078c59eee890f1dfb90eb24
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Setup.exe
    • Size 10.5MB
    • SHA256 72208131742dbaf6871f648e297a054c8ad58cd318e4391772cdf4db34989a39
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      SspiCli.dll
    • Size 300KB
    • SHA256 8b1134784d8babc6ef24569abba93e20917679c51cd777de972bdc6fee2fca22
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      WTSAPI32.DLL
    • Size 1.6MB
    • SHA256 64773e9b66825e3e3d653b730f2994eac6635d8166707d076371bb2ff2f7f434
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects ACRStealer V4.x

    • Family: ACR stealer,GrMsk

      ACR stealer (aka GrMsk stealer) is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target
      comdlg32.dll
    • Size 940KB
    • SHA256 277f03b537f9c808f573d29ae6089c1e13b61531329c25314a4513c93f5be67c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      mpr.dll
    • Size 142KB
    • SHA256 8bb319c8c8255e915c05c03eccc24981cf9653025d2f720fb7fffdd4d524309c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      oleacc.dll
    • Size 480KB
    • SHA256 40d73e20a9f008aa05ac0d57c31f8513d01f21b8070ac201124a8afa8f82586c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      winmm.dll
    • Size 215KB
    • SHA256 95f9d6069156740b12c125fb6f84e65de9a235b70c61369229f388c7cae8621c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      x64/AdonisUI.ClassicTheme.dll
    • Size 287KB
    • SHA256 8103f2cce6a864ceefe6c5b0c05087ac85ab04a2abf150e93bc9db90c54d9d20
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      x64/AdonisUI.dll
    • Size 164KB
    • SHA256 db46b6106dc1b30041ce3f287ded91166895ff3f1928250fc79dd46c444b1e45
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      x64/SQLite.Interop.dll
    • Size 1.7MB
    • SHA256 9309fb2a3f326d0f2cc3f2ab837cfd02e4f8cb6b923b3b2be265591fd38f4961
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      x86/BouncyCastle.Crypto.dll
    • Size 3.2MB
    • SHA256 e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      x86/SQLite.Interop.dll
    • Size 1.3MB
    • SHA256 83f332ea9535814f18be4ee768682ecc7720794aedc30659eb165e46257a7cae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks