General

  • Target

    645dedcf4ad1806a8194c703061f1688_JaffaCakes118

  • Size

    4.4MB

  • Sample

    241020-2a315svhlm

  • MD5

    645dedcf4ad1806a8194c703061f1688

  • SHA1

    86dd824ba2c80709bd47a2f5336e1636a2b031d2

  • SHA256

    1f2a78766bb290fb2ed404f5ed05404986709175b39d152358087061b166dbe9

  • SHA512

    b4217b88d4a2e915d35eb6f142ceccbcc31492804f31e7955b627a73c616a02fbfc6f47da2b6374a720cdb9e6398f3cd2215335810c317215255c73aa334c79c

  • SSDEEP

    98304:5G48dZ7pekDE3sstJ/O9gSPCwXa+XwYDvAfg0yTcxXSUhVmz3s1nNAF:5l8dZ4kuAgkAYDvAfBfxirzciF

Malware Config

Targets

    • Target

      645dedcf4ad1806a8194c703061f1688_JaffaCakes118

    • Size

      4.4MB

    • MD5

      645dedcf4ad1806a8194c703061f1688

    • SHA1

      86dd824ba2c80709bd47a2f5336e1636a2b031d2

    • SHA256

      1f2a78766bb290fb2ed404f5ed05404986709175b39d152358087061b166dbe9

    • SHA512

      b4217b88d4a2e915d35eb6f142ceccbcc31492804f31e7955b627a73c616a02fbfc6f47da2b6374a720cdb9e6398f3cd2215335810c317215255c73aa334c79c

    • SSDEEP

      98304:5G48dZ7pekDE3sstJ/O9gSPCwXa+XwYDvAfg0yTcxXSUhVmz3s1nNAF:5l8dZ4kuAgkAYDvAfBfxirzciF

    • Darkcomet

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

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks