darkcomet | 16689c4d5d19e3be72397bad11d60ea362eb53ec3d5ad82b55ef4a12ed7f5075

Analysis

max time kernel
144s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

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

Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Active Setup\Installed Components	explorer.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
2780	attrib.exe
2936	attrib.exe

Executes dropped EXE 3 IoCs

pid	Process
2964	svchost.exe
2932	TECHNICSHAFTER-SQUARED.EXE
2752	msdcsc.exe

Loads dropped DLL 4 IoCs

pid	Process
2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.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-1-5-21-3692679935-4019334568-335155002-1000\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 2604 set thread context of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1892	explorer.exe

Suspicious use of AdjustPrivilegeToken 39 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2964	svchost.exe
Token: SeSecurityPrivilege	2964	svchost.exe
Token: SeTakeOwnershipPrivilege	2964	svchost.exe
Token: SeLoadDriverPrivilege	2964	svchost.exe
Token: SeSystemProfilePrivilege	2964	svchost.exe
Token: SeSystemtimePrivilege	2964	svchost.exe
Token: SeProfSingleProcessPrivilege	2964	svchost.exe
Token: SeIncBasePriorityPrivilege	2964	svchost.exe
Token: SeCreatePagefilePrivilege	2964	svchost.exe
Token: SeBackupPrivilege	2964	svchost.exe
Token: SeRestorePrivilege	2964	svchost.exe
Token: SeShutdownPrivilege	2964	svchost.exe
Token: SeDebugPrivilege	2964	svchost.exe
Token: SeSystemEnvironmentPrivilege	2964	svchost.exe
Token: SeChangeNotifyPrivilege	2964	svchost.exe
Token: SeRemoteShutdownPrivilege	2964	svchost.exe
Token: SeUndockPrivilege	2964	svchost.exe
Token: SeManageVolumePrivilege	2964	svchost.exe
Token: SeImpersonatePrivilege	2964	svchost.exe
Token: SeCreateGlobalPrivilege	2964	svchost.exe
Token: 33	2964	svchost.exe
Token: 34	2964	svchost.exe
Token: 35	2964	svchost.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe
Token: 33	1116	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1116	AUDIODG.EXE
Token: 33	1116	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1116	AUDIODG.EXE
Token: SeShutdownPrivilege	1892	explorer.exe
Token: SeShutdownPrivilege	1892	explorer.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe

Suspicious use of SendNotifyMessage 23 IoCs

pid	Process
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe
1892	explorer.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2604 wrote to memory of 2964	2604	JaffaCakes118_9892c710163857c56c6c20a77d182946.exe	29
PID 2964 wrote to memory of 3020	2964	svchost.exe	30
PID 2964 wrote to memory of 3020	2964	svchost.exe	30
PID 2964 wrote to memory of 3020	2964	svchost.exe	30
PID 2964 wrote to memory of 3020	2964	svchost.exe	30
PID 2964 wrote to memory of 2816	2964	svchost.exe	31
PID 2964 wrote to memory of 2816	2964	svchost.exe	31
PID 2964 wrote to memory of 2816	2964	svchost.exe	31
PID 2964 wrote to memory of 2816	2964	svchost.exe	31
PID 2964 wrote to memory of 2932	2964	svchost.exe	34
PID 2964 wrote to memory of 2932	2964	svchost.exe	34
PID 2964 wrote to memory of 2932	2964	svchost.exe	34
PID 2964 wrote to memory of 2932	2964	svchost.exe	34
PID 2932 wrote to memory of 2720	2932	TECHNICSHAFTER-SQUARED.EXE	35
PID 2932 wrote to memory of 2720	2932	TECHNICSHAFTER-SQUARED.EXE	35
PID 2932 wrote to memory of 2720	2932	TECHNICSHAFTER-SQUARED.EXE	35
PID 2932 wrote to memory of 2720	2932	TECHNICSHAFTER-SQUARED.EXE	35
PID 2816 wrote to memory of 2780	2816	cmd.exe	36
PID 2816 wrote to memory of 2780	2816	cmd.exe	36
PID 2816 wrote to memory of 2780	2816	cmd.exe	36
PID 2816 wrote to memory of 2780	2816	cmd.exe	36
PID 3020 wrote to memory of 2936	3020	cmd.exe	37
PID 3020 wrote to memory of 2936	3020	cmd.exe	37
PID 3020 wrote to memory of 2936	3020	cmd.exe	37
PID 3020 wrote to memory of 2936	3020	cmd.exe	37
PID 2964 wrote to memory of 2752	2964	svchost.exe	38
PID 2964 wrote to memory of 2752	2964	svchost.exe	38
PID 2964 wrote to memory of 2752	2964	svchost.exe	38
PID 2964 wrote to memory of 2752	2964	svchost.exe	38

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2936	attrib.exe
2780	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9892c710163857c56c6c20a77d182946.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9892c710163857c56c6c20a77d182946.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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:3020
  - - 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:2936
- - 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:2816
  - - 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:2780
- - 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:2932
  - - C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -classpath "C:\Users\Admin\AppData\Local\Temp\TECHNICSHAFTER-SQUARED.EXE;anything" org.spoutshafter.client.Main
      4⤵
      PID:2720
- - 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:2752

C:\Windows\explorer.exe
explorer.exe
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1892

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x5a8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

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
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1892-78-0x0000000002690000-0x00000000026A0000-memory.dmp

Filesize
64KB

Download
memory/2604-0-0x0000000074B31000-0x0000000074B32000-memory.dmp

Filesize
4KB

Download
memory/2604-1-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2604-2-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2604-24-0x0000000074B30000-0x00000000750DB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-61-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download
memory/2932-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2964-25-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-16-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-18-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-15-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-26-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-27-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-17-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-14-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-11-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-9-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-52-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-21-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-23-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/2964-13-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads