darkcomet | 9b42c96f3be2f7ba8da3f9bcf16b7bcdb9bf0ea85948a1605a66e58ed9e36c06

Analysis

max time kernel
149s
max time network
151s
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, 20:25

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General

Target

JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Size

251KB
MD5

607bc4ea4898f2c882f87bc7a8f3503d
SHA1

f785b8794cee2717fe825b18b6293dc71da239d3
SHA256

9b42c96f3be2f7ba8da3f9bcf16b7bcdb9bf0ea85948a1605a66e58ed9e36c06
SHA512

ddb45fd390eb7662a896ee46b3026fc8d25d7c5cd9adbe235132d5793f999df9db9e98ecd41b4c6e0fa634c4dd02a720825d6e368f2847fdfaeca935bf3414f5
SSDEEP

6144:BcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37G:BcW7KEZlPzCy37

Score

10^/10

darkcomet hackedguy discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

HackedGuy

89.27.43.217:133

Mutex

DC_MUTEX-64N579Z

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
9CyCj5Tsvxel
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_607bc4ea4898f2c882f87bc7a8f3503d.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe

Executes dropped EXE 1 IoCs

pid	Process
4008	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2784-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x0007000000023cab-6.dat	upx
behavioral2/memory/4008-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2784-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4008-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 2 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_607bc4ea4898f2c882f87bc7a8f3503d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeSecurityPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeTakeOwnershipPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeLoadDriverPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeSystemProfilePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeSystemtimePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeProfSingleProcessPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeIncBasePriorityPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeCreatePagefilePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeBackupPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeRestorePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeShutdownPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeDebugPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeSystemEnvironmentPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeChangeNotifyPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeRemoteShutdownPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeUndockPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeManageVolumePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeImpersonatePrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeCreateGlobalPrivilege	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: 33	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: 34	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: 35	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: 36	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
Token: SeIncreaseQuotaPrivilege	4008	msdcsc.exe
Token: SeSecurityPrivilege	4008	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4008	msdcsc.exe
Token: SeLoadDriverPrivilege	4008	msdcsc.exe
Token: SeSystemProfilePrivilege	4008	msdcsc.exe
Token: SeSystemtimePrivilege	4008	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4008	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4008	msdcsc.exe
Token: SeCreatePagefilePrivilege	4008	msdcsc.exe
Token: SeBackupPrivilege	4008	msdcsc.exe
Token: SeRestorePrivilege	4008	msdcsc.exe
Token: SeShutdownPrivilege	4008	msdcsc.exe
Token: SeDebugPrivilege	4008	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4008	msdcsc.exe
Token: SeChangeNotifyPrivilege	4008	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4008	msdcsc.exe
Token: SeUndockPrivilege	4008	msdcsc.exe
Token: SeManageVolumePrivilege	4008	msdcsc.exe
Token: SeImpersonatePrivilege	4008	msdcsc.exe
Token: SeCreateGlobalPrivilege	4008	msdcsc.exe
Token: 33	4008	msdcsc.exe
Token: 34	4008	msdcsc.exe
Token: 35	4008	msdcsc.exe
Token: 36	4008	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4008	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 4008	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe	83
PID 2784 wrote to memory of 4008	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe	83
PID 2784 wrote to memory of 4008	2784	JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_607bc4ea4898f2c882f87bc7a8f3503d.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:2784
- 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
  PID:4008

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
251KB

MD5
607bc4ea4898f2c882f87bc7a8f3503d

SHA1
f785b8794cee2717fe825b18b6293dc71da239d3

SHA256
9b42c96f3be2f7ba8da3f9bcf16b7bcdb9bf0ea85948a1605a66e58ed9e36c06

SHA512
ddb45fd390eb7662a896ee46b3026fc8d25d7c5cd9adbe235132d5793f999df9db9e98ecd41b4c6e0fa634c4dd02a720825d6e368f2847fdfaeca935bf3414f5

Download Submit
memory/2784-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2784-1-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download
memory/2784-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-16-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/4008-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4008-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads