darkcomet | 2404edb5753bc2200c7c8e88bbf112296001ea89227666e977c00bf2f25f350d

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/02/2025, 03:59

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General

Target

JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Size

758KB
MD5

1e58be1563f8b966f2a8ebba2ee0bcd4
SHA1

2a670070215a517c3cf2c5d398da9affd7e14c9b
SHA256

2404edb5753bc2200c7c8e88bbf112296001ea89227666e977c00bf2f25f350d
SHA512

43294d200d2314b8cf2da288ef80cf5f5bd1f714c17a29a590640bd0e8acbdd7c06dd9938bb96fb61405004c32cdbed1f2b85e2a67ead0bcc8d1d76e7f5c8f17
SSDEEP

12288:KXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1MZw4JuMkth/fy452UO:UnAw2WWeFcfbP9VPSPMTSPL/rWviq4J5

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

nsoonsamer.no-ip.biz:4444

black12345.zapto.org:4444

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
1hLtVsHE8Jjf
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

rc4.plain

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_1e58be1563f8b966f2a8ebba2ee0bcd4.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2556	1800	msdcsc.exe	31

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	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSecurityPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeTakeOwnershipPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeLoadDriverPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemProfilePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemtimePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeProfSingleProcessPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeIncBasePriorityPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeCreatePagefilePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeBackupPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeRestorePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeShutdownPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeDebugPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemEnvironmentPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeChangeNotifyPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeRemoteShutdownPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeUndockPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeManageVolumePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeImpersonatePrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeCreateGlobalPrivilege	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 33	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 34	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 35	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeIncreaseQuotaPrivilege	1800	msdcsc.exe
Token: SeSecurityPrivilege	1800	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1800	msdcsc.exe
Token: SeLoadDriverPrivilege	1800	msdcsc.exe
Token: SeSystemProfilePrivilege	1800	msdcsc.exe
Token: SeSystemtimePrivilege	1800	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1800	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1800	msdcsc.exe
Token: SeCreatePagefilePrivilege	1800	msdcsc.exe
Token: SeBackupPrivilege	1800	msdcsc.exe
Token: SeRestorePrivilege	1800	msdcsc.exe
Token: SeShutdownPrivilege	1800	msdcsc.exe
Token: SeDebugPrivilege	1800	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1800	msdcsc.exe
Token: SeChangeNotifyPrivilege	1800	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1800	msdcsc.exe
Token: SeUndockPrivilege	1800	msdcsc.exe
Token: SeManageVolumePrivilege	1800	msdcsc.exe
Token: SeImpersonatePrivilege	1800	msdcsc.exe
Token: SeCreateGlobalPrivilege	1800	msdcsc.exe
Token: 33	1800	msdcsc.exe
Token: 34	1800	msdcsc.exe
Token: 35	1800	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2556	iexplore.exe
Token: SeSecurityPrivilege	2556	iexplore.exe
Token: SeTakeOwnershipPrivilege	2556	iexplore.exe
Token: SeLoadDriverPrivilege	2556	iexplore.exe
Token: SeSystemProfilePrivilege	2556	iexplore.exe
Token: SeSystemtimePrivilege	2556	iexplore.exe
Token: SeProfSingleProcessPrivilege	2556	iexplore.exe
Token: SeIncBasePriorityPrivilege	2556	iexplore.exe
Token: SeCreatePagefilePrivilege	2556	iexplore.exe
Token: SeBackupPrivilege	2556	iexplore.exe
Token: SeRestorePrivilege	2556	iexplore.exe
Token: SeShutdownPrivilege	2556	iexplore.exe
Token: SeDebugPrivilege	2556	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2556	iexplore.exe
Token: SeChangeNotifyPrivilege	2556	iexplore.exe
Token: SeRemoteShutdownPrivilege	2556	iexplore.exe
Token: SeUndockPrivilege	2556	iexplore.exe
Token: SeManageVolumePrivilege	2556	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2556	iexplore.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 1800	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	30
PID 1372 wrote to memory of 1800	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	30
PID 1372 wrote to memory of 1800	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	30
PID 1372 wrote to memory of 1800	1372	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	30
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31
PID 1800 wrote to memory of 2556	1800	msdcsc.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2556

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

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
758KB

MD5
1e58be1563f8b966f2a8ebba2ee0bcd4

SHA1
2a670070215a517c3cf2c5d398da9affd7e14c9b

SHA256
2404edb5753bc2200c7c8e88bbf112296001ea89227666e977c00bf2f25f350d

SHA512
43294d200d2314b8cf2da288ef80cf5f5bd1f714c17a29a590640bd0e8acbdd7c06dd9938bb96fb61405004c32cdbed1f2b85e2a67ead0bcc8d1d76e7f5c8f17

Download Submit
memory/1372-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1372-11-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1800-12-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1800-15-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2556-14-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads