Overview

overview

10

Static

static

10

d72d4fa102...18.exe

windows7-x64

10

d72d4fa102...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2024 13:03

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General

  • Target

    d72d4fa102e2e46cc1a3153f68eae4f7_JaffaCakes118.exe

  • Size

    812KB

  • MD5

    d72d4fa102e2e46cc1a3153f68eae4f7

  • SHA1

    a43588d0cf65fe5a1c18edd8223485d0f9d093f2

  • SHA256

    c961504e0161888d7a137cc6ff8a609c8477711b5e6c70614867345a91184451

  • SHA512

    a6a6370cb3f602b52213aa8cc6e6f919e507190436611c25806909b28cb2b1925ce190a8945d3973a7bc353c39387b3d013ed0ffb7665e17106f30a066ef2ba5

  • SSDEEP

    12288:kaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdT:VAEENIq8XwyVPQclDq/+WnpsS

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Darkcomet family
    darkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 1 IoCs
    evasiontrojan
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d72d4fa102e2e46cc1a3153f68eae4f7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d72d4fa102e2e46cc1a3153f68eae4f7_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      2⤵
      • Modifies security service
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2084
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2736

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

1
T1543

Windows Service

1
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

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
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:\Users\Admin\AppData\Local\Temp\_dcsc_.bat
    Filesize

    119B

    MD5

    0c2b6f7a64d9b748f1e4083b24f4abf6

    SHA1

    6260c71cf0e35b3b22ecd889ef395726dfd093dd

    SHA256

    545e869284a4697adf020b232f4c35fcba29cf56184f8b4ddc9158924093a66b

    SHA512

    d98f6410b7a95e0579683fcd93db8f865565456e3abba14bb72e93a272fd4b673f05b7194abd7f4e21006652e3ff18cea048c75201ddf0be68515a6b3259348b

    Download Submit

  • \Windupdt\winupdate.exe
    Filesize

    812KB

    MD5

    d72d4fa102e2e46cc1a3153f68eae4f7

    SHA1

    a43588d0cf65fe5a1c18edd8223485d0f9d093f2

    SHA256

    c961504e0161888d7a137cc6ff8a609c8477711b5e6c70614867345a91184451

    SHA512

    a6a6370cb3f602b52213aa8cc6e6f919e507190436611c25806909b28cb2b1925ce190a8945d3973a7bc353c39387b3d013ed0ffb7665e17106f30a066ef2ba5

    Download Submit

  • memory/2084-26-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-27-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-22-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-23-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-24-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-25-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-35-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-34-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-28-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-29-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-30-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-31-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-32-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2084-33-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2252-17-0x0000000000400000-0x00000000004D9000-memory.dmp

    Filesize

    868KB

    Download

  • memory/2252-0-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

    Download