darkcomet | 147fb04b4ddd42ba65754143e6e3bd0b02381023a3145df2e58593d1ed393034

Analysis

max time kernel
149s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27/03/2025, 09:08

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General

Target

JaffaCakes118_89a5294073212334de67961067c52248.exe
Size

268KB
MD5

89a5294073212334de67961067c52248
SHA1

8fcbbc37cd911fe4b5178dc7077bdd6f33e0589e
SHA256

147fb04b4ddd42ba65754143e6e3bd0b02381023a3145df2e58593d1ed393034
SHA512

15e357ca251a63b2efe9f82943c0fc31c9e360e1863df1fb6e2df994426aea1537ea56e7bfc69c7a8d6bff715ced044093184cfe6fa75d2c78895fdc1f24e48f
SSDEEP

6144:PocMD9L6Ro5oso1IwJs3mb6plI/7SCNG:PtMDF6RomTGwJd64uCA

Score

10^/10

darkcomet îñæý discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÎÑæÝ

top511.no-ip.biz:82

127.0.0.1:82

Mutex

DC_MUTEX-RP7Z7Z6

Attributes

InstallPath
Windupdt\winupdate.exe
gencode
C�z0q-6NfCC7
install
true
offline_keylogger
true
persistence
false
reg_key
winupdater

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\\AppData\\Roaming\\Windupdt\\winupdate.exe"	JaffaCakes118_89a5294073212334de67961067c52248.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	JaffaCakes118_89a5294073212334de67961067c52248.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.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 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_89a5294073212334de67961067c52248.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_89a5294073212334de67961067c52248.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeSecurityPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeTakeOwnershipPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeLoadDriverPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeSystemProfilePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeSystemtimePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeProfSingleProcessPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeIncBasePriorityPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeCreatePagefilePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeBackupPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeRestorePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeShutdownPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeDebugPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeSystemEnvironmentPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeChangeNotifyPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeRemoteShutdownPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeUndockPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeManageVolumePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeImpersonatePrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeCreateGlobalPrivilege	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: 33	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: 34	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: 35	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe
Token: SeIncreaseQuotaPrivilege	2680	explorer.exe
Token: SeSecurityPrivilege	2680	explorer.exe
Token: SeTakeOwnershipPrivilege	2680	explorer.exe
Token: SeLoadDriverPrivilege	2680	explorer.exe
Token: SeSystemProfilePrivilege	2680	explorer.exe
Token: SeSystemtimePrivilege	2680	explorer.exe
Token: SeProfSingleProcessPrivilege	2680	explorer.exe
Token: SeIncBasePriorityPrivilege	2680	explorer.exe
Token: SeCreatePagefilePrivilege	2680	explorer.exe
Token: SeBackupPrivilege	2680	explorer.exe
Token: SeRestorePrivilege	2680	explorer.exe
Token: SeShutdownPrivilege	2680	explorer.exe
Token: SeDebugPrivilege	2680	explorer.exe
Token: SeSystemEnvironmentPrivilege	2680	explorer.exe
Token: SeChangeNotifyPrivilege	2680	explorer.exe
Token: SeRemoteShutdownPrivilege	2680	explorer.exe
Token: SeUndockPrivilege	2680	explorer.exe
Token: SeManageVolumePrivilege	2680	explorer.exe
Token: SeImpersonatePrivilege	2680	explorer.exe
Token: SeCreateGlobalPrivilege	2680	explorer.exe
Token: 33	2680	explorer.exe
Token: 34	2680	explorer.exe
Token: 35	2680	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29
PID 2512 wrote to memory of 2680	2512	JaffaCakes118_89a5294073212334de67961067c52248.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89a5294073212334de67961067c52248.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89a5294073212334de67961067c52248.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2680

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

memory/2512-0-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2512-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2512-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-8-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-4-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-9-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-15-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2680-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-16-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-17-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2680-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads