General

  • Target

    JaffaCakes118_bd3dc48ff967e155e51531603eb3530d

  • Size

    360KB

  • Sample

    250418-jzr13azm14

  • MD5

    bd3dc48ff967e155e51531603eb3530d

  • SHA1

    295fe2d34a24b6b5a96ff68c8409a9d0fe1fc5ab

  • SHA256

    756f65ec054a4af056c4d7546f9d13119238749a31997481c1a2942fff472e13

  • SHA512

    6a12e9a5ad3514fc4f6c65d348a5884ef6d923271ce91bf6f2a763d93597707f40c4ee93ca9dd08250df38d497292887ddc783050a108750301457c35fdb9850

  • SSDEEP

    6144:KgWXeqZnIJAvpFpN0VPt9pGB/ZHcB+r1AwQDM7sYyzP+mOrxB:Geqe4pFYVP+xHcB+r1A87sPtwB

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

arwen.zapto.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    Windupdt\svcmt.exe

  • gencode

    qCFVQE1CZt9t

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    svcmt

rc4.plain

Targets

    • Target

      JaffaCakes118_bd3dc48ff967e155e51531603eb3530d

    • Size

      360KB

    • MD5

      bd3dc48ff967e155e51531603eb3530d

    • SHA1

      295fe2d34a24b6b5a96ff68c8409a9d0fe1fc5ab

    • SHA256

      756f65ec054a4af056c4d7546f9d13119238749a31997481c1a2942fff472e13

    • SHA512

      6a12e9a5ad3514fc4f6c65d348a5884ef6d923271ce91bf6f2a763d93597707f40c4ee93ca9dd08250df38d497292887ddc783050a108750301457c35fdb9850

    • SSDEEP

      6144:KgWXeqZnIJAvpFpN0VPt9pGB/ZHcB+r1AwQDM7sYyzP+mOrxB:Geqe4pFYVP+xHcB+r1A87sPtwB

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks