General

  • Target

    JaffaCakes118_feb75e30a78572b9e34e607638d922e1

  • Size

    709KB

  • Sample

    250216-c3bpxsyjhx

  • MD5

    feb75e30a78572b9e34e607638d922e1

  • SHA1

    89a0aad8def359e25966775c2bac0a63a075bbdc

  • SHA256

    68a99e125e9cee7c4a208cf4b9684e7fbd3ae565a605f8e7fca1090960107fc0

  • SHA512

    c4cc878b8eb86c9bbb2342bd123e013b17209c3f17af94a55ad159faafc546505f8bed4d51688b61c3f0f7e88e96021b6fcc0f9586660f79a6b2d1d75e92320d

  • SSDEEP

    12288:yvlur6Co65A+i1nEGs+xQinCHulkxNTpFLdVJyBFkZSv6Z7SLAdMJ3rQVr/qn+Ir:yvl66gSr2+7JlkD1l9yFkZSfGZCnjGQB

Malware Config

Extracted

Family

darkcomet

Botnet

HACKED

C2

mrlokoniqq.no-ip.org:81

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    zDM8Hz7Pn2la

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_feb75e30a78572b9e34e607638d922e1

    • Size

      709KB

    • MD5

      feb75e30a78572b9e34e607638d922e1

    • SHA1

      89a0aad8def359e25966775c2bac0a63a075bbdc

    • SHA256

      68a99e125e9cee7c4a208cf4b9684e7fbd3ae565a605f8e7fca1090960107fc0

    • SHA512

      c4cc878b8eb86c9bbb2342bd123e013b17209c3f17af94a55ad159faafc546505f8bed4d51688b61c3f0f7e88e96021b6fcc0f9586660f79a6b2d1d75e92320d

    • SSDEEP

      12288:yvlur6Co65A+i1nEGs+xQinCHulkxNTpFLdVJyBFkZSv6Z7SLAdMJ3rQVr/qn+Ir:yvl66gSr2+7JlkD1l9yFkZSfGZCnjGQB

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies security service

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks