darkcomet | 7de4c40e00da26fffce0d8443b3c7052f79133aead3b1d0114c47c3340a82131

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 12:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe
Size

728KB
MD5

05d9f7a1325dbec8552ac29083abba7d
SHA1

3cae39bbc9b45a44c3a6b6065a17214cee4cdfb6
SHA256

7de4c40e00da26fffce0d8443b3c7052f79133aead3b1d0114c47c3340a82131
SHA512

8f1cdeed5668ee85a4ac0d0c602d75e1a8e06be40be861623cec589e3a8f057cafa2df824f8ca51e96fd83585ea15e65087d7fd3ad5195a08a9ca06480d24a1f
SSDEEP

12288:47UetrD931Zsa4Nx/8Js5oT2D/5RiQhUUQUtLue4v5teBn6rlvh2aPEnNBt/oTiD:eDp1ZiNxUJaoT2D/XxUUQUtauUZ2aMpJ

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

95.37.231.94:60561

Mutex

DCMIN_MUTEX-YWC1YGK

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
qpkAqz9YSLLL
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	123.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	123.exe

Executes dropped EXE 2 IoCs

pid	Process
4584	123.exe
4480	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DCSCMIN\\IMDCSC.exe"	123.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4584	123.exe
Token: SeSecurityPrivilege	4584	123.exe
Token: SeTakeOwnershipPrivilege	4584	123.exe
Token: SeLoadDriverPrivilege	4584	123.exe
Token: SeSystemProfilePrivilege	4584	123.exe
Token: SeSystemtimePrivilege	4584	123.exe
Token: SeProfSingleProcessPrivilege	4584	123.exe
Token: SeIncBasePriorityPrivilege	4584	123.exe
Token: SeCreatePagefilePrivilege	4584	123.exe
Token: SeBackupPrivilege	4584	123.exe
Token: SeRestorePrivilege	4584	123.exe
Token: SeShutdownPrivilege	4584	123.exe
Token: SeDebugPrivilege	4584	123.exe
Token: SeSystemEnvironmentPrivilege	4584	123.exe
Token: SeChangeNotifyPrivilege	4584	123.exe
Token: SeRemoteShutdownPrivilege	4584	123.exe
Token: SeUndockPrivilege	4584	123.exe
Token: SeManageVolumePrivilege	4584	123.exe
Token: SeImpersonatePrivilege	4584	123.exe
Token: SeCreateGlobalPrivilege	4584	123.exe
Token: 33	4584	123.exe
Token: 34	4584	123.exe
Token: 35	4584	123.exe
Token: 36	4584	123.exe
Token: SeIncreaseQuotaPrivilege	4480	IMDCSC.exe
Token: SeSecurityPrivilege	4480	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	4480	IMDCSC.exe
Token: SeLoadDriverPrivilege	4480	IMDCSC.exe
Token: SeSystemProfilePrivilege	4480	IMDCSC.exe
Token: SeSystemtimePrivilege	4480	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	4480	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	4480	IMDCSC.exe
Token: SeCreatePagefilePrivilege	4480	IMDCSC.exe
Token: SeBackupPrivilege	4480	IMDCSC.exe
Token: SeRestorePrivilege	4480	IMDCSC.exe
Token: SeShutdownPrivilege	4480	IMDCSC.exe
Token: SeDebugPrivilege	4480	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	4480	IMDCSC.exe
Token: SeChangeNotifyPrivilege	4480	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	4480	IMDCSC.exe
Token: SeUndockPrivilege	4480	IMDCSC.exe
Token: SeManageVolumePrivilege	4480	IMDCSC.exe
Token: SeImpersonatePrivilege	4480	IMDCSC.exe
Token: SeCreateGlobalPrivilege	4480	IMDCSC.exe
Token: 33	4480	IMDCSC.exe
Token: 34	4480	IMDCSC.exe
Token: 35	4480	IMDCSC.exe
Token: 36	4480	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4480	IMDCSC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4584	4992	05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe	85
PID 4992 wrote to memory of 4584	4992	05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe	85
PID 4992 wrote to memory of 4584	4992	05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe	85
PID 4584 wrote to memory of 4480	4584	123.exe	86
PID 4584 wrote to memory of 4480	4584	123.exe	86
PID 4584 wrote to memory of 4480	4584	123.exe	86

C:\Users\Admin\AppData\Local\Temp\05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\05d9f7a1325dbec8552ac29083abba7d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\123.exe
  "C:\Users\Admin\AppData\Local\Temp\123.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4584
- - C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\123.exe

Filesize
658KB

MD5
1b14f7ae01bd2c55da49b474c66fd239

SHA1
4623c53d0e4acf2ebd5836440a68b87acabcfee6

SHA256
5c881bbe2b24ff0f177c0c3c4743de959b3633cb097be8ab4a6ca8f20ea085a0

SHA512
028ad9a28cba3f4bf8f62747cc2ad9b80cb3668b3f59791fd428a2549ef7f720d8c15e69ca8e47a348d13e5d3b3d594cf998d766928842a08bd480f8622c0822

Download Submit
memory/4480-24-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/4480-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4480-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4584-12-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/4584-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads