General

  • Target

    eeb920b22ac23368cd8e9b8b69f572b1e086d055b6e9601e11c89654748f0017.exe

  • Size

    341KB

  • Sample

    240128-grf8gsche8

  • MD5

    4760eb398fbe57f0fbff4c4854f07ede

  • SHA1

    a15d0f079d4e18d06c30d395100f283b2f7103b2

  • SHA256

    74a27d1098960d701db3dbfdb32e41b21979b7fdff6fc3d7c7f652dd73a4e177

  • SHA512

    d0c8854d51bb1a6eb226067192a0e5009c464a7290d9ee3ae687f03bb02b9092a56f1de3a6c8b82f394fe44d8c4660416f4d393b3c02e58a00398abcf23cb29e

  • SSDEEP

    6144:KSTz3MaMNhXbyuWt2EHOO+7qeA5fphPFrKz1K5/1YGWx8MV2rkM/p:3Ty7A/1YGgKkM/p

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Snail Mail

C2

193.27.72.137:1177

Mutex

38df9e9c7296bd6e835a05e946b650ba

Attributes
  • reg_key

    38df9e9c7296bd6e835a05e946b650ba

  • splitter

    |'|'|

Targets

    • Target

      eeb920b22ac23368cd8e9b8b69f572b1e086d055b6e9601e11c89654748f0017.exe

    • Size

      341KB

    • MD5

      4760eb398fbe57f0fbff4c4854f07ede

    • SHA1

      a15d0f079d4e18d06c30d395100f283b2f7103b2

    • SHA256

      74a27d1098960d701db3dbfdb32e41b21979b7fdff6fc3d7c7f652dd73a4e177

    • SHA512

      d0c8854d51bb1a6eb226067192a0e5009c464a7290d9ee3ae687f03bb02b9092a56f1de3a6c8b82f394fe44d8c4660416f4d393b3c02e58a00398abcf23cb29e

    • SSDEEP

      6144:KSTz3MaMNhXbyuWt2EHOO+7qeA5fphPFrKz1K5/1YGWx8MV2rkM/p:3Ty7A/1YGgKkM/p

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks