darkcomet | b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 07:18

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General

Target

JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Size

681KB
MD5

0b7d5bfc592ba2082abd593fd53e2b58
SHA1

e47a13cdd1b462efc68d2a68e8413c61d382d635
SHA256

b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752
SHA512

568dc8e3e56ba07cb752aa513acddb3fbb2a183222b92d25af106acd63068a51156bdf360359ca1a730e50a5a81922f0d373f5ea671e073e5ce396ea552a069f
SSDEEP

12288:Qk0QNlxOnizg37k4LUSd0rv5WvYW5HMzLXj9pqQd7cqESAYi991fA/aVRZ:J0QpGih4bd0rv5+l5szLXj917cqPu91b

Score

10^/10

darkcomet zombie defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Zombie

anonymous-hr.zapto.org:5150

127.0.0.1:5150

Mutex

DC_MUTEX-GND5LQ6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
fvkBdq5YuSX7
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe

Executes dropped EXE 1 IoCs

pid	Process
3852	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.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 2 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	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSecurityPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeTakeOwnershipPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeLoadDriverPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemProfilePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemtimePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeProfSingleProcessPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeIncBasePriorityPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeCreatePagefilePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeBackupPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeRestorePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeShutdownPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeDebugPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeSystemEnvironmentPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeChangeNotifyPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeRemoteShutdownPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeUndockPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeManageVolumePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeImpersonatePrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeCreateGlobalPrivilege	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 33	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 34	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 35	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: 36	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
Token: SeIncreaseQuotaPrivilege	3852	msdcsc.exe
Token: SeSecurityPrivilege	3852	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3852	msdcsc.exe
Token: SeLoadDriverPrivilege	3852	msdcsc.exe
Token: SeSystemProfilePrivilege	3852	msdcsc.exe
Token: SeSystemtimePrivilege	3852	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3852	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3852	msdcsc.exe
Token: SeCreatePagefilePrivilege	3852	msdcsc.exe
Token: SeBackupPrivilege	3852	msdcsc.exe
Token: SeRestorePrivilege	3852	msdcsc.exe
Token: SeShutdownPrivilege	3852	msdcsc.exe
Token: SeDebugPrivilege	3852	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3852	msdcsc.exe
Token: SeChangeNotifyPrivilege	3852	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3852	msdcsc.exe
Token: SeUndockPrivilege	3852	msdcsc.exe
Token: SeManageVolumePrivilege	3852	msdcsc.exe
Token: SeImpersonatePrivilege	3852	msdcsc.exe
Token: SeCreateGlobalPrivilege	3852	msdcsc.exe
Token: 33	3852	msdcsc.exe
Token: 34	3852	msdcsc.exe
Token: 35	3852	msdcsc.exe
Token: 36	3852	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3852	msdcsc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3852	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	83
PID 1008 wrote to memory of 3852	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	83
PID 1008 wrote to memory of 3852	1008	JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe	83
PID 3852 wrote to memory of 4960	3852	msdcsc.exe	84
PID 3852 wrote to memory of 4960	3852	msdcsc.exe	84
PID 3852 wrote to memory of 4960	3852	msdcsc.exe	84
PID 3852 wrote to memory of 4216	3852	msdcsc.exe	85
PID 3852 wrote to memory of 4216	3852	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b7d5bfc592ba2082abd593fd53e2b58.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:1008
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3852
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:4960
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:4216

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
681KB

MD5
0b7d5bfc592ba2082abd593fd53e2b58

SHA1
e47a13cdd1b462efc68d2a68e8413c61d382d635

SHA256
b2d4c2b337d19df6b8c556285ce9ad59f2a5beb8d7993d8e731a48f20dcaa752

SHA512
568dc8e3e56ba07cb752aa513acddb3fbb2a183222b92d25af106acd63068a51156bdf360359ca1a730e50a5a81922f0d373f5ea671e073e5ce396ea552a069f

Download Submit
memory/1008-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/1008-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3852-14-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/3852-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3852-21-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3852-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/3852-28-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads