General

  • Target

    JaffaCakes118_2f1a1badc1a79faf8a4a0431c263579b

  • Size

    308KB

  • Sample

    250125-ylgqhazldk

  • MD5

    2f1a1badc1a79faf8a4a0431c263579b

  • SHA1

    1e6e83589b5bfc0d537f133c4700957f24e8f61e

  • SHA256

    327f07cd24c80890ccb59b357c3b3b43f2677611b79e75a48fea41bd13f9c4bd

  • SHA512

    f2011b65ff171f9bd1f345817ca2b762fc67de8daea13fd3c3faf3515f6a21cd5b3fd6bf3634f7bd579dae8cb708d4915a711823b83704ddb5f26d4f9c902a88

  • SSDEEP

    6144:C0M4E7FBVUlcGFpbUY9R+rBywLWbvOm8b8yhKJgobfKycJ4nu:C3bnVUlcGjZWynvLHygLKyuK

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

severfin.no-ip.biz:10111

Mutex

DC_MUTEX-KW3265T

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    cm7bvMvxrvgA

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_2f1a1badc1a79faf8a4a0431c263579b

    • Size

      308KB

    • MD5

      2f1a1badc1a79faf8a4a0431c263579b

    • SHA1

      1e6e83589b5bfc0d537f133c4700957f24e8f61e

    • SHA256

      327f07cd24c80890ccb59b357c3b3b43f2677611b79e75a48fea41bd13f9c4bd

    • SHA512

      f2011b65ff171f9bd1f345817ca2b762fc67de8daea13fd3c3faf3515f6a21cd5b3fd6bf3634f7bd579dae8cb708d4915a711823b83704ddb5f26d4f9c902a88

    • SSDEEP

      6144:C0M4E7FBVUlcGFpbUY9R+rBywLWbvOm8b8yhKJgobfKycJ4nu:C3bnVUlcGjZWynvLHygLKyuK

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks