darkcomet | 8347c833c3a97bfb714897815f3c46516fac0c266e8ef044875aac5e9975a8a1

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 23:03

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General

Target

JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Size

730KB
MD5

612e04480b753f9dd759ce7974b91172
SHA1

7bb252bc61263ffce8e814522493893c958d06c9
SHA256

8347c833c3a97bfb714897815f3c46516fac0c266e8ef044875aac5e9975a8a1
SHA512

c9c4e3566fdf5d1180fc169571e12d6e3f1e4d676d96a98cadbec0b57daa5ba45feee2df8e7001934eb631d717d7de41b390246fcacb56d53c2bcbc5e8fc1833
SSDEEP

12288:u9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hyaBvCJj:6Z1xuVVjfFoynPaVBUR8f+kN10EBlhc

Score

10^/10

darkcomet invaded discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

invaded

vaginvader.no-ip.org:200

Mutex

DC_MUTEX-BSLQK65

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
15JrwwAgMNFq
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
4196	attrib.exe
3024	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe

Executes dropped EXE 1 IoCs

pid	Process
4620	msdcsc.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.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 7 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	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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4620	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeSecurityPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeTakeOwnershipPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeLoadDriverPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeSystemProfilePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeSystemtimePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeProfSingleProcessPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeIncBasePriorityPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeCreatePagefilePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeBackupPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeRestorePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeShutdownPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeDebugPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeSystemEnvironmentPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeChangeNotifyPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeRemoteShutdownPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeUndockPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeManageVolumePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeImpersonatePrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeCreateGlobalPrivilege	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: 33	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: 34	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: 35	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: 36	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
Token: SeIncreaseQuotaPrivilege	4620	msdcsc.exe
Token: SeSecurityPrivilege	4620	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4620	msdcsc.exe
Token: SeLoadDriverPrivilege	4620	msdcsc.exe
Token: SeSystemProfilePrivilege	4620	msdcsc.exe
Token: SeSystemtimePrivilege	4620	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4620	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4620	msdcsc.exe
Token: SeCreatePagefilePrivilege	4620	msdcsc.exe
Token: SeBackupPrivilege	4620	msdcsc.exe
Token: SeRestorePrivilege	4620	msdcsc.exe
Token: SeShutdownPrivilege	4620	msdcsc.exe
Token: SeDebugPrivilege	4620	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4620	msdcsc.exe
Token: SeChangeNotifyPrivilege	4620	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4620	msdcsc.exe
Token: SeUndockPrivilege	4620	msdcsc.exe
Token: SeManageVolumePrivilege	4620	msdcsc.exe
Token: SeImpersonatePrivilege	4620	msdcsc.exe
Token: SeCreateGlobalPrivilege	4620	msdcsc.exe
Token: 33	4620	msdcsc.exe
Token: 34	4620	msdcsc.exe
Token: 35	4620	msdcsc.exe
Token: 36	4620	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4620	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2632	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	86
PID 2124 wrote to memory of 2632	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	86
PID 2124 wrote to memory of 2632	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	86
PID 2124 wrote to memory of 1296	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	88
PID 2124 wrote to memory of 1296	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	88
PID 2124 wrote to memory of 1296	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	88
PID 1296 wrote to memory of 4196	1296	cmd.exe	90
PID 1296 wrote to memory of 4196	1296	cmd.exe	90
PID 1296 wrote to memory of 4196	1296	cmd.exe	90
PID 2632 wrote to memory of 3024	2632	cmd.exe	91
PID 2632 wrote to memory of 3024	2632	cmd.exe	91
PID 2632 wrote to memory of 3024	2632	cmd.exe	91
PID 2124 wrote to memory of 4620	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	92
PID 2124 wrote to memory of 4620	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	92
PID 2124 wrote to memory of 4620	2124	JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe	92
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93
PID 4620 wrote to memory of 3568	4620	msdcsc.exe	93

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4196	attrib.exe
3024	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_612e04480b753f9dd759ce7974b91172.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4196
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3568

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\MSDCSC\msdcsc.exe

Filesize
730KB

MD5
612e04480b753f9dd759ce7974b91172

SHA1
7bb252bc61263ffce8e814522493893c958d06c9

SHA256
8347c833c3a97bfb714897815f3c46516fac0c266e8ef044875aac5e9975a8a1

SHA512
c9c4e3566fdf5d1180fc169571e12d6e3f1e4d676d96a98cadbec0b57daa5ba45feee2df8e7001934eb631d717d7de41b390246fcacb56d53c2bcbc5e8fc1833

Download Submit
memory/2124-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2124-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/3568-63-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/4620-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-62-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/4620-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4620-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads