darkcomet | 52d93be4d86690b5ecd529dd5825151542196dded9b28125f39e92c583f603b8

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 06:24

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General

Target

JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Size

658KB
MD5

0b1fab19dd007270cb56fa3220f71712
SHA1

ac80ef7bc1b9f6951f398977a8f3f6572e66f9b9
SHA256

52d93be4d86690b5ecd529dd5825151542196dded9b28125f39e92c583f603b8
SHA512

e6b35a11278ab6fa8bb1da49c2c780d05a5c77b8d93ab0baeb431d5d002bac5a2a0a719fdb8f8058780d9d04f384644a3fff35b4a0c23dd7e419b44bb69c87a8
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hF:eZ1xuVVjfFoynPaVBUR8f+kN10EB3

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

spyderrrr.no-ip.org:25565

Mutex

DC_MUTEX-QAATZ9T

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
oBG9XVMzL9fQ
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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_0b1fab19dd007270cb56fa3220f71712.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe

Executes dropped EXE 1 IoCs

pid	Process
2240	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\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 3 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_0b1fab19dd007270cb56fa3220f71712.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeSecurityPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeTakeOwnershipPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeLoadDriverPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeSystemProfilePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeSystemtimePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeProfSingleProcessPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeIncBasePriorityPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeCreatePagefilePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeBackupPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeRestorePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeShutdownPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeDebugPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeSystemEnvironmentPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeChangeNotifyPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeRemoteShutdownPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeUndockPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeManageVolumePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeImpersonatePrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeCreateGlobalPrivilege	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: 33	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: 34	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: 35	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: 36	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
Token: SeIncreaseQuotaPrivilege	2240	msdcsc.exe
Token: SeSecurityPrivilege	2240	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2240	msdcsc.exe
Token: SeLoadDriverPrivilege	2240	msdcsc.exe
Token: SeSystemProfilePrivilege	2240	msdcsc.exe
Token: SeSystemtimePrivilege	2240	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2240	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2240	msdcsc.exe
Token: SeCreatePagefilePrivilege	2240	msdcsc.exe
Token: SeBackupPrivilege	2240	msdcsc.exe
Token: SeRestorePrivilege	2240	msdcsc.exe
Token: SeShutdownPrivilege	2240	msdcsc.exe
Token: SeDebugPrivilege	2240	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2240	msdcsc.exe
Token: SeChangeNotifyPrivilege	2240	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2240	msdcsc.exe
Token: SeUndockPrivilege	2240	msdcsc.exe
Token: SeManageVolumePrivilege	2240	msdcsc.exe
Token: SeImpersonatePrivilege	2240	msdcsc.exe
Token: SeCreateGlobalPrivilege	2240	msdcsc.exe
Token: 33	2240	msdcsc.exe
Token: 34	2240	msdcsc.exe
Token: 35	2240	msdcsc.exe
Token: 36	2240	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2240	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2240	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe	82
PID 4560 wrote to memory of 2240	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe	82
PID 4560 wrote to memory of 2240	4560	JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe	82
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83
PID 2240 wrote to memory of 1544	2240	msdcsc.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b1fab19dd007270cb56fa3220f71712.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:4560
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.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
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1544

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
658KB

MD5
0b1fab19dd007270cb56fa3220f71712

SHA1
ac80ef7bc1b9f6951f398977a8f3f6572e66f9b9

SHA256
52d93be4d86690b5ecd529dd5825151542196dded9b28125f39e92c583f603b8

SHA512
e6b35a11278ab6fa8bb1da49c2c780d05a5c77b8d93ab0baeb431d5d002bac5a2a0a719fdb8f8058780d9d04f384644a3fff35b4a0c23dd7e419b44bb69c87a8

Download Submit
memory/1544-62-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/2240-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-64-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/2240-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-61-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/2240-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2240-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4560-0-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/4560-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads