Overview

overview

10

Static

static

5

2e3304da8d...18.exe

windows7-x64

10

2e3304da8d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • 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
    09/10/2024, 08:51

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General

  • Target

    2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe

  • Size

    230KB

  • MD5

    2e3304da8d9a54d3a7fb228e19db8f72

  • SHA1

    91ca6dc5965c5baae9683968d59ad668ff426787

  • SHA256

    dbdbee96e293e811fd197aaaa978b11d4c4752e5adad83cd977c835f349d65ef

  • SHA512

    65d785b294cb4e67e35d546da62db65a7f2e98650e681b31ee4ba0c3e7ad13a3c5fb437262d7607b10f720ba4186ba8e20e2bf1a74769764c27d6b423938a75c

  • SSDEEP

    6144:V0eLNExQ3gmAG2j7580UJpvNH4TiXfBhkMgDVUqdgtcpgoS:VUQ4GA5sp+qBhi1HgoS

Score
10/10
darkcometnasitdiscoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

nasit

C2

88.254.114.62:1604

Mutex

DCMIN_MUTEX-TSEC6XJ

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    HWaUf6XVhyqZ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    dnr

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 7 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 2 IoCs

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

    discovery
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2e3304da8d9a54d3a7fb228e19db8f72_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe
    Filesize

    230KB

    MD5

    2e3304da8d9a54d3a7fb228e19db8f72

    SHA1

    91ca6dc5965c5baae9683968d59ad668ff426787

    SHA256

    dbdbee96e293e811fd197aaaa978b11d4c4752e5adad83cd977c835f349d65ef

    SHA512

    65d785b294cb4e67e35d546da62db65a7f2e98650e681b31ee4ba0c3e7ad13a3c5fb437262d7607b10f720ba4186ba8e20e2bf1a74769764c27d6b423938a75c

    Download Submit

  • memory/1940-0-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download

  • memory/1940-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1940-14-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download

  • memory/4864-15-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download

  • memory/4864-16-0x00000000007E0000-0x00000000007E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4864-17-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download

  • memory/4864-20-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download

  • memory/4864-30-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

    Download