Overview

overview

10

Static

static

3

1c3f4fee56...18.exe

windows7-x64

10

1c3f4fee56...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2024 19:34

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General

  • Target

    1c3f4fee5646b1174d5d4f50924af0ff_JaffaCakes118.exe

  • Size

    897KB

  • MD5

    1c3f4fee5646b1174d5d4f50924af0ff

  • SHA1

    4d6b32ff3337020bbe8ee4db9f46d48ce8236756

  • SHA256

    bd776ce9cb5251b38bd212a695e5a9b030ebf1b8f84ee0f055b1b0a852b7b50a

  • SHA512

    38d3ae81fcd6eedaf016a6f1aea9a942dc4e44684cc09c64aac70b398c6456f4017de02a8f71c21a40137da21944f6af017b17f77f61ffe2e9d62979291cfb22

  • SSDEEP

    24576:XaGo7wr6HAslncJgpy2Psjx12xIRZwthcVM:LqAQsCwx1qi1VM

Score
10/10
darkcometkurbanevasionrattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Kurban

C2

127.0.0.1:81

Mutex

DC_MUTEX-C0CFCCE

Attributes
  • gencode

    67P1Xnr8ZpiX

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion
  • UPX packed file 13 IoCs

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

    upx
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c3f4fee5646b1174d5d4f50924af0ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c3f4fee5646b1174d5d4f50924af0ff_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Users\Admin\AppData\Local\Temp\1c3f4fee5646b1174d5d4f50924af0ff_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\1c3f4fee5646b1174d5d4f50924af0ff_JaffaCakes118.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1312

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/1312-10-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-12-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-5-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-6-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-8-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-7-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-4-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-27-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-18-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-11-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-13-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-15-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/1312-17-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

    Download
  • memory/3624-0-0x00000000775A4000-0x00000000775A6000-memory.dmp
    Filesize

    8KB

    Download
  • memory/3624-9-0x0000000000400000-0x00000000004F6000-memory.dmp
    Filesize

    984KB

    Download