Overview

overview

10

Static

static

10

8e8ba06620...18.exe

windows7-x64

10

8e8ba06620...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 01:47

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General

  • Target

    8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    8e8ba0662043efda7aec96dd1e1bb7c3

  • SHA1

    fbcc7f95c1f6c0b6ede1b28e14b4d281f326353d

  • SHA256

    a49d59a40c1092fad50d6df664f66bc11593402f0bf0e37720f1ffa01d568532

  • SHA512

    7d6cf787b686a0ca335eea4b55260a4f1a55fd92b018a039cbe80793dec63be0ebc0b68fa58a5392eaf6f67b29c080cc61410c491660ddfd1c45a5a83fa9c98e

  • SSDEEP

    6144:DUc8SY8u+rv6Kl9QFhC6z3sbS4P2UI9icyXV13kPKuzGnVAqD:DUcrY8driIQHG2D1axkPKdt

Score
10/10
darkcometdiscoveryevasionrattrojanupx

Malware Config

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Darkcomet family
    darkcomet
  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • UPX packed file 3 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Windows security modification
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:5116
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\8e8ba0662043efda7aec96dd1e1bb7c3_JaffaCakes118.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/5116-0-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

    Download

  • memory/5116-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5116-2-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

    Download

  • memory/5116-4-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/5116-6-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

    Download