General

  • Target

    JaffaCakes118_b78e98368bf87ce58b2aae9a26e1ac3e

  • Size

    3.0MB

  • Sample

    250207-qvadsasnby

  • MD5

    b78e98368bf87ce58b2aae9a26e1ac3e

  • SHA1

    67a746bed23cb4fc97d8f2a542b78bf1ef3a539f

  • SHA256

    2eb3ac2d64ce7ccf86f15f751093f6a3d2b9b83d637acba8d95c45ea47cc97dc

  • SHA512

    e4249cd918a82a01896f31f7fb1958ce5539d5466e46cf21f7ad29d95b5de23e04d5f517f417fbc03ae8acbc0d5a8b7c0bfa9c1a19996fb569bfe52e8e12b7bf

  • SSDEEP

    49152:0Dm5cit6FHMoDUM5n62s1JHy48m3KCnCc7NieDm5cit6FHMoDUM5n62s1J:

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

rattcody.zapto.org:20111

codylegge.zapto.org:20111

codylegge.zapto.org:1064

codylegge.zapto.org:1604

192.168.2.11:20111

142.162.41.160:20111

127.0.0.1:20111

Mutex

DC_MUTEX-GK1MTGJ

Attributes
  • gencode

    6wlfzgB-CUtT

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_b78e98368bf87ce58b2aae9a26e1ac3e

    • Size

      3.0MB

    • MD5

      b78e98368bf87ce58b2aae9a26e1ac3e

    • SHA1

      67a746bed23cb4fc97d8f2a542b78bf1ef3a539f

    • SHA256

      2eb3ac2d64ce7ccf86f15f751093f6a3d2b9b83d637acba8d95c45ea47cc97dc

    • SHA512

      e4249cd918a82a01896f31f7fb1958ce5539d5466e46cf21f7ad29d95b5de23e04d5f517f417fbc03ae8acbc0d5a8b7c0bfa9c1a19996fb569bfe52e8e12b7bf

    • SSDEEP

      49152:0Dm5cit6FHMoDUM5n62s1JHy48m3KCnCc7NieDm5cit6FHMoDUM5n62s1J:

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Modifies firewall policy service

    • Modifies security service

    • Windows security bypass

    • Blocklisted process makes network request

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security modification

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks