Overview

overview

10

Static

static

3

cd5ef8ddb2...18.exe

windows7-x64

10

cd5ef8ddb2...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 18:37

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General

  • Target

    cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe

  • Size

    384KB

  • MD5

    cd5ef8ddb218d86280527236d0378e0e

  • SHA1

    a5fe609dc4f94e1f96d57303b806a8119fbc1443

  • SHA256

    ed76128b57ce0622a1a0f8f312ea3f21245a421060f3ec973a6272b3629e26e4

  • SHA512

    df9d3c4c6916f13f0bb9df181f861c001c1153dd40fe3a51a767045eb44ba9ba1ac04eb1c441a3c1216bd624c427499204f139207eb7d0c0c0df57b68c28a40e

  • SSDEEP

    6144:08k3xrhqUO3En8ly2UopRlMaoNjOR5GxXFHEOQgJb7a/MV/7O6V:ohrRw02UopRqaoNjOOvJfa/G/7OC

Score
10/10
darkcometlatentbotdiscoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

latentbot

C2

darkbluecomet.zapto.org

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

    trojanlatentbot
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 3 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • 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.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 29 IoCs

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

    upx
  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2288
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:4036
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:2404
      • C:\Windupdt\winupdate.exe
        "C:\Windupdt\winupdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4088
        • C:\Windupdt\winupdate.exe
          C:\Windupdt\winupdate.exe
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4944
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\cd5ef8ddb218d86280527236d0378e0e_JaffaCakes118.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 5
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Windupdt\winupdate.exe
    Filesize

    384KB

    MD5

    cd5ef8ddb218d86280527236d0378e0e

    SHA1

    a5fe609dc4f94e1f96d57303b806a8119fbc1443

    SHA256

    ed76128b57ce0622a1a0f8f312ea3f21245a421060f3ec973a6272b3629e26e4

    SHA512

    df9d3c4c6916f13f0bb9df181f861c001c1153dd40fe3a51a767045eb44ba9ba1ac04eb1c441a3c1216bd624c427499204f139207eb7d0c0c0df57b68c28a40e

    Download Submit

  • memory/660-2-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-4-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-5-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-6-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-7-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-8-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/660-72-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-80-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-89-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-81-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-84-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-83-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-82-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-79-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-85-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-86-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-87-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-88-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-78-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-90-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-91-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-92-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-93-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-94-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-95-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-96-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-97-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-98-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download

  • memory/4944-99-0x0000000000400000-0x00000000004B9000-memory.dmp

    Filesize

    740KB

    Download