darkcomet | 85055c8c07087fba61b509d6985102e9689c61e3a281fa9d73618cc49c1b5893

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2025, 03:30

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General

Target

JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Size

267KB
MD5

ecbd41a1d0f5de265a991f525da79f07
SHA1

dd5df2dc0d31028b4e321bb983d7865b4b0a085e
SHA256

85055c8c07087fba61b509d6985102e9689c61e3a281fa9d73618cc49c1b5893
SHA512

c04512764da617c9f92bd4c653cc2f3056ad767e4f3efb32e11a238c6c4562e850e0fabfe7f8d300bf80e5bb0112a431b881929c4f94fc3070927804a41fb5ff
SSDEEP

6144:njlhvTTrl/iniEYle61BLyfhmJ3OJRcNBG:njrv/rgifE61BcIkKBG

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

raul1115.no-ip.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
test\svchost.exe
gencode
tLi0Ht7ZdLU7
install
true
offline_keylogger
true
password
123
persistence
true
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:\\test\\svchost.exe"	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
30	3756	Process not Found

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-1-5-21-2508704002-2325818048-3575902788-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe

Deletes itself 1 IoCs

pid	Process
316	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
4092	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\test\\svchost.exe"	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2508704002-2325818048-3575902788-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\test\\svchost.exe"	svchost.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 4 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_ecbd41a1d0f5de265a991f525da79f07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3812	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeSecurityPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeTakeOwnershipPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeLoadDriverPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeSystemProfilePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeSystemtimePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeProfSingleProcessPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeIncBasePriorityPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeCreatePagefilePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeBackupPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeRestorePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeShutdownPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeDebugPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeSystemEnvironmentPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeChangeNotifyPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeRemoteShutdownPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeUndockPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeManageVolumePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeImpersonatePrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeCreateGlobalPrivilege	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: 33	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: 34	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: 35	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: 36	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
Token: SeIncreaseQuotaPrivilege	4092	svchost.exe
Token: SeSecurityPrivilege	4092	svchost.exe
Token: SeTakeOwnershipPrivilege	4092	svchost.exe
Token: SeLoadDriverPrivilege	4092	svchost.exe
Token: SeSystemProfilePrivilege	4092	svchost.exe
Token: SeSystemtimePrivilege	4092	svchost.exe
Token: SeProfSingleProcessPrivilege	4092	svchost.exe
Token: SeIncBasePriorityPrivilege	4092	svchost.exe
Token: SeCreatePagefilePrivilege	4092	svchost.exe
Token: SeBackupPrivilege	4092	svchost.exe
Token: SeRestorePrivilege	4092	svchost.exe
Token: SeShutdownPrivilege	4092	svchost.exe
Token: SeDebugPrivilege	4092	svchost.exe
Token: SeSystemEnvironmentPrivilege	4092	svchost.exe
Token: SeChangeNotifyPrivilege	4092	svchost.exe
Token: SeRemoteShutdownPrivilege	4092	svchost.exe
Token: SeUndockPrivilege	4092	svchost.exe
Token: SeManageVolumePrivilege	4092	svchost.exe
Token: SeImpersonatePrivilege	4092	svchost.exe
Token: SeCreateGlobalPrivilege	4092	svchost.exe
Token: 33	4092	svchost.exe
Token: 34	4092	svchost.exe
Token: 35	4092	svchost.exe
Token: 36	4092	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4092	svchost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 316	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	88
PID 2528 wrote to memory of 4092	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	89
PID 2528 wrote to memory of 4092	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	89
PID 2528 wrote to memory of 4092	2528	JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ecbd41a1d0f5de265a991f525da79f07.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:2528
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:316
- C:\test\svchost.exe
  "C:\test\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4092

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTI0OTUzMDcyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3812

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\test\svchost.exe

Filesize
267KB

MD5
ecbd41a1d0f5de265a991f525da79f07

SHA1
dd5df2dc0d31028b4e321bb983d7865b4b0a085e

SHA256
85055c8c07087fba61b509d6985102e9689c61e3a281fa9d73618cc49c1b5893

SHA512
c04512764da617c9f92bd4c653cc2f3056ad767e4f3efb32e11a238c6c4562e850e0fabfe7f8d300bf80e5bb0112a431b881929c4f94fc3070927804a41fb5ff

Download Submit
memory/316-4-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2528-0-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2528-1-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/2528-16-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-23-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-28-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-21-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/4092-20-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-22-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-17-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/4092-25-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-26-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-27-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-19-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-29-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-30-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-31-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-32-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-33-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-34-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/4092-35-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads