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General

  • Target

    HEUR.Trojan-Spy.MSIL.Stealer.gen-40603df340cee8c3d00939469470a28acbf64401ec12d32ba68fe54e7f04c6d4

  • Size

    1.3MB

  • Sample

    250131-t79wystjer

  • MD5

    20043020e5b82ce7e3d69c407a85e50c

  • SHA1

    1502bdf6ccaa56c45716852cd1be8552d2cfa52c

  • SHA256

    40603df340cee8c3d00939469470a28acbf64401ec12d32ba68fe54e7f04c6d4

  • SHA512

    d62a363bcddd24bcb7d2e92f4fe5c1f6347560db439f83499973de59462605645c6b89d720eb768275da34bdecb715381471f14d0767e1e727684379535548d6

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      HEUR.Trojan-Spy.MSIL.Stealer.gen-40603df340cee8c3d00939469470a28acbf64401ec12d32ba68fe54e7f04c6d4

    • Size

      1.3MB

    • MD5

      20043020e5b82ce7e3d69c407a85e50c

    • SHA1

      1502bdf6ccaa56c45716852cd1be8552d2cfa52c

    • SHA256

      40603df340cee8c3d00939469470a28acbf64401ec12d32ba68fe54e7f04c6d4

    • SHA512

      d62a363bcddd24bcb7d2e92f4fe5c1f6347560db439f83499973de59462605645c6b89d720eb768275da34bdecb715381471f14d0767e1e727684379535548d6

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks