Overview

overview

10

Static

static

3

ff38fb89c4...18.exe

windows7-x64

10

ff38fb89c4...18.exe

windows10-2004-x64

10

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General

  • Target

    ff38fb89c4a9826d259d62c659caf13a_JaffaCakes118

  • Size

    440KB

  • Sample

    240421-n3471sba8v

  • MD5

    ff38fb89c4a9826d259d62c659caf13a

  • SHA1

    476261ad1e841e211f6ae7d5b32eb961a8ebb701

  • SHA256

    dc712109e28e6135df55071d9b83127fdf6b946c0ec99d48cfcf723c9ba9ebcd

  • SHA512

    7e35455014c212fed72bbcf28f0a8f208361300d4a213aab4f05f226c6117c2be8fab10ef0e05b20894148b5e9ba7040668b17af73ac9e166d8a6d1f4f49eb38

  • SSDEEP

    6144:K9qROWGtGSJLg/Ud0QjyIb7V6onNXmHIBGIwkmBbGzqSdlVVngwYcV9U:DROzk0Md1Y2oNwkmozqSdDVngx

Score
10/10
darkcometpersistencerattrojanupx

Malware Config

Targets

    • Target

      ff38fb89c4a9826d259d62c659caf13a_JaffaCakes118

    • Size

      440KB

    • MD5

      ff38fb89c4a9826d259d62c659caf13a

    • SHA1

      476261ad1e841e211f6ae7d5b32eb961a8ebb701

    • SHA256

      dc712109e28e6135df55071d9b83127fdf6b946c0ec99d48cfcf723c9ba9ebcd

    • SHA512

      7e35455014c212fed72bbcf28f0a8f208361300d4a213aab4f05f226c6117c2be8fab10ef0e05b20894148b5e9ba7040668b17af73ac9e166d8a6d1f4f49eb38

    • SSDEEP

      6144:K9qROWGtGSJLg/Ud0QjyIb7V6onNXmHIBGIwkmBbGzqSdlVVngwYcV9U:DROzk0Md1Y2oNwkmozqSdDVngx

    Score
    10/10
    darkcometpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      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

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks