darkcomet | 16689c4d5d19e3be72397bad11d60ea362eb53ec3d5ad82b55ef4a12ed7f5075

Analysis

max time kernel
142s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
30/03/2025, 10:55

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General

Target

JaffaCakes118_9892c710163857c56c6c20a77d182946.exe
Size

3.6MB
MD5

9892c710163857c56c6c20a77d182946
SHA1

9e28e136e1727f5760778daf06a3504c60f57348
SHA256

16689c4d5d19e3be72397bad11d60ea362eb53ec3d5ad82b55ef4a12ed7f5075
SHA512

d81252cac511a6370b9d9285d32cb270cad7f3fa90850af3830c77801ca9b3952bee2b24226089533bd780ff61c0205f8e38700f5b6dad9c3956f75285c2c1ab
SSDEEP

24576:xwy3aExtF6b2be4TEwU6o0Slo9RYMISjpyLzie7TBysHTMo80iOlLPs:ZPez6oSYTp4

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

207.47.155.23:1604

Mutex

DC_MUTEX-VNQP02R

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
gpB6MQA3XWFB
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"	svchost.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5564	attrib.exe
5008	attrib.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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
2248	svchost.exe
5340	msdcsc.exe
5736	TECHNICSHAFTER-SQUARED.EXE
4616	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87

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 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TECHNICSHAFTER-SQUARED.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2248	svchost.exe
Token: SeSecurityPrivilege	2248	svchost.exe
Token: SeTakeOwnershipPrivilege	2248	svchost.exe
Token: SeLoadDriverPrivilege	2248	svchost.exe
Token: SeSystemProfilePrivilege	2248	svchost.exe
Token: SeSystemtimePrivilege	2248	svchost.exe
Token: SeProfSingleProcessPrivilege	2248	svchost.exe
Token: SeIncBasePriorityPrivilege	2248	svchost.exe
Token: SeCreatePagefilePrivilege	2248	svchost.exe
Token: SeBackupPrivilege	2248	svchost.exe
Token: SeRestorePrivilege	2248	svchost.exe
Token: SeShutdownPrivilege	2248	svchost.exe
Token: SeDebugPrivilege	2248	svchost.exe
Token: SeSystemEnvironmentPrivilege	2248	svchost.exe
Token: SeChangeNotifyPrivilege	2248	svchost.exe
Token: SeRemoteShutdownPrivilege	2248	svchost.exe
Token: SeUndockPrivilege	2248	svchost.exe
Token: SeManageVolumePrivilege	2248	svchost.exe
Token: SeImpersonatePrivilege	2248	svchost.exe
Token: SeCreateGlobalPrivilege	2248	svchost.exe
Token: 33	2248	svchost.exe
Token: 34	2248	svchost.exe
Token: 35	2248	svchost.exe
Token: 36	2248	svchost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2036 wrote to memory of 2248	2036	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	87
PID 2980 wrote to memory of 5340	2980	cmd.exe	90
PID 2980 wrote to memory of 5340	2980	cmd.exe	90
PID 2980 wrote to memory of 5340	2980	cmd.exe	90
PID 2248 wrote to memory of 3764	2248	svchost.exe	92
PID 2248 wrote to memory of 3764	2248	svchost.exe	92
PID 2248 wrote to memory of 3764	2248	svchost.exe	92
PID 2248 wrote to memory of 5616	2248	svchost.exe	93
PID 2248 wrote to memory of 5616	2248	svchost.exe	93
PID 2248 wrote to memory of 5616	2248	svchost.exe	93
PID 2248 wrote to memory of 5736	2248	svchost.exe	96
PID 2248 wrote to memory of 5736	2248	svchost.exe	96
PID 2248 wrote to memory of 5736	2248	svchost.exe	96
PID 3764 wrote to memory of 5564	3764	cmd.exe	98
PID 3764 wrote to memory of 5564	3764	cmd.exe	98
PID 3764 wrote to memory of 5564	3764	cmd.exe	98
PID 5736 wrote to memory of 5512	5736	TECHNICSHAFTER-SQUARED.EXE	97
PID 5736 wrote to memory of 5512	5736	TECHNICSHAFTER-SQUARED.EXE	97
PID 5616 wrote to memory of 5008	5616	cmd.exe	99
PID 5616 wrote to memory of 5008	5616	cmd.exe	99
PID 5616 wrote to memory of 5008	5616	cmd.exe	99
PID 2248 wrote to memory of 4616	2248	svchost.exe	100
PID 2248 wrote to memory of 4616	2248	svchost.exe	100
PID 2248 wrote to memory of 4616	2248	svchost.exe	100

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5564	attrib.exe
5008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9892c710163857c56c6c20a77d182946.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9892c710163857c56c6c20a77d182946.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.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
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3764
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:5564
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5616
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:5008
- - C:\Users\Admin\AppData\Local\Temp\TECHNICSHAFTER-SQUARED.EXE
    "C:\Users\Admin\AppData\Local\Temp\TECHNICSHAFTER-SQUARED.EXE"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5736
  - - C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -classpath "C:\Users\Admin\AppData\Local\Temp\TECHNICSHAFTER-SQUARED.EXE;anything" org.spoutshafter.client.Main
      4⤵
      PID:5512
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4616

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5340

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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\AppData\Local\Temp\TECHNICSHAFTER-SQUARED.EXE

Filesize
94KB

MD5
3ea652ac8fe5e2960f8e8f006c8cda5b

SHA1
27d09af83c2fb9e17de860150fdc74df0f09a6be

SHA256
742a642bbcc29866bde7df6946a706d849c06ffab784ba175b1c668029bce7ed

SHA512
13d2841f5e77b1d886a8741d2853ce65a7345ccc9e2fd3295305141174d677c2c5d70caa25e30e2015903ed278a7f9e86669e7bb38c4c0968fffecd0108dbf79

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2036-17-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-2-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/2036-0-0x0000000075312000-0x0000000075313000-memory.dmp

Filesize
4KB

Download
memory/2036-1-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/2248-9-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2248-13-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2248-16-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2248-14-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2248-18-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2248-49-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/5512-48-0x00000291AEF30000-0x00000291AEF31000-memory.dmp

Filesize
4KB

Download
memory/5736-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads