darkcomet | 2404edb5753bc2200c7c8e88bbf112296001ea89227666e977c00bf2f25f350d

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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

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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe

Executes dropped EXE 1 IoCs

pid	Process
744	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-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.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_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSecurityPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeTakeOwnershipPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeLoadDriverPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemProfilePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemtimePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeProfSingleProcessPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeIncBasePriorityPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeCreatePagefilePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeBackupPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeRestorePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeShutdownPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeDebugPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeSystemEnvironmentPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeChangeNotifyPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeRemoteShutdownPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeUndockPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeManageVolumePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeImpersonatePrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeCreateGlobalPrivilege	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 33	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 34	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 35	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: 36	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
Token: SeIncreaseQuotaPrivilege	744	msdcsc.exe
Token: SeSecurityPrivilege	744	msdcsc.exe
Token: SeTakeOwnershipPrivilege	744	msdcsc.exe
Token: SeLoadDriverPrivilege	744	msdcsc.exe
Token: SeSystemProfilePrivilege	744	msdcsc.exe
Token: SeSystemtimePrivilege	744	msdcsc.exe
Token: SeProfSingleProcessPrivilege	744	msdcsc.exe
Token: SeIncBasePriorityPrivilege	744	msdcsc.exe
Token: SeCreatePagefilePrivilege	744	msdcsc.exe
Token: SeBackupPrivilege	744	msdcsc.exe
Token: SeRestorePrivilege	744	msdcsc.exe
Token: SeShutdownPrivilege	744	msdcsc.exe
Token: SeDebugPrivilege	744	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	744	msdcsc.exe
Token: SeChangeNotifyPrivilege	744	msdcsc.exe
Token: SeRemoteShutdownPrivilege	744	msdcsc.exe
Token: SeUndockPrivilege	744	msdcsc.exe
Token: SeManageVolumePrivilege	744	msdcsc.exe
Token: SeImpersonatePrivilege	744	msdcsc.exe
Token: SeCreateGlobalPrivilege	744	msdcsc.exe
Token: 33	744	msdcsc.exe
Token: 34	744	msdcsc.exe
Token: 35	744	msdcsc.exe
Token: 36	744	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
744	msdcsc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 744	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	85
PID 4024 wrote to memory of 744	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	85
PID 4024 wrote to memory of 744	4024	JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe	85
PID 744 wrote to memory of 4036	744	msdcsc.exe	88
PID 744 wrote to memory of 4036	744	msdcsc.exe	88
PID 744 wrote to memory of 4036	744	msdcsc.exe	88
PID 744 wrote to memory of 408	744	msdcsc.exe	89
PID 744 wrote to memory of 408	744	msdcsc.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e58be1563f8b966f2a8ebba2ee0bcd4.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:4024
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:4036
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:408

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

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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/744-19-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-21-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-14-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/744-15-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-17-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-18-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-28-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-27-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-22-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-20-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-23-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-24-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-25-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/744-26-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4024-13-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/4024-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads