General

  • Target

    OptiFine_1.19.4_HD_U_I4.jar

  • Size

    6.7MB

  • Sample

    241029-g7hq9avkgv

  • MD5

    2e58bf463ec7e9964fe381a5afc17da1

  • SHA1

    40a44c00d4f06ba82e97b8eb71aab3823f4e9d93

  • SHA256

    2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a

  • SHA512

    94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1

  • SSDEEP

    98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg

Malware Config

Extracted

Family

darkcomet

Botnet

tereefds

C2

10.127.0.205:1604

Mutex

DCMIN_MUTEX-69DVLDW

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    eFZw5QzKBPc5

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      OptiFine_1.19.4_HD_U_I4.jar

    • Size

      6.7MB

    • MD5

      2e58bf463ec7e9964fe381a5afc17da1

    • SHA1

      40a44c00d4f06ba82e97b8eb71aab3823f4e9d93

    • SHA256

      2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a

    • SHA512

      94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1

    • SSDEEP

      98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg

    • 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

    • Adds Run key to start application

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks