darkcomet | a332d49c5566df484ce0fb6165ee4e5a611add6a312db9705154a2b9b0e5d9d0

Analysis

max time kernel
149s
max time network
149s
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 08:09

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General

Target

JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Size

714KB
MD5

4d797295c0435838adfea1948f963069
SHA1

0b13914a8effd2cdde48617d66ae0d2bff9bcb43
SHA256

a332d49c5566df484ce0fb6165ee4e5a611add6a312db9705154a2b9b0e5d9d0
SHA512

4f03b33e55e09b8a2eb4f898ef75517a9041d567eb698318ba2c25435b2fa273e82bd05207b616352cbbf11523a5439d472e1e94e508fdd9f8bbb2925d51131a
SSDEEP

12288:CaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgd+:TAEENIq8XwyVPQclDq/+WnpsS+

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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\\GoogleUpdater\\GoogleUpdater.exe"	JaffaCakes118_4d797295c0435838adfea1948f963069.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_4d797295c0435838adfea1948f963069.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	GoogleUpdater.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_4d797295c0435838adfea1948f963069.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	GoogleUpdater.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\GoogleUpdater\\GoogleUpdater.exe"	JaffaCakes118_4d797295c0435838adfea1948f963069.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 4 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_4d797295c0435838adfea1948f963069.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoogleUpdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4192	PING.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	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	GoogleUpdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	GoogleUpdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	GoogleUpdater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	GoogleUpdater.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_4d797295c0435838adfea1948f963069.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_4d797295c0435838adfea1948f963069.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	GoogleUpdater.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_4d797295c0435838adfea1948f963069.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4192	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2160	GoogleUpdater.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeSecurityPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeTakeOwnershipPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeLoadDriverPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeSystemProfilePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeSystemtimePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeProfSingleProcessPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeIncBasePriorityPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeCreatePagefilePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeBackupPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeRestorePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeShutdownPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeDebugPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeSystemEnvironmentPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeChangeNotifyPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeRemoteShutdownPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeUndockPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeManageVolumePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeImpersonatePrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeCreateGlobalPrivilege	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: 33	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: 34	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: 35	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: 36	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe
Token: SeIncreaseQuotaPrivilege	2160	GoogleUpdater.exe
Token: SeSecurityPrivilege	2160	GoogleUpdater.exe
Token: SeTakeOwnershipPrivilege	2160	GoogleUpdater.exe
Token: SeLoadDriverPrivilege	2160	GoogleUpdater.exe
Token: SeSystemProfilePrivilege	2160	GoogleUpdater.exe
Token: SeSystemtimePrivilege	2160	GoogleUpdater.exe
Token: SeProfSingleProcessPrivilege	2160	GoogleUpdater.exe
Token: SeIncBasePriorityPrivilege	2160	GoogleUpdater.exe
Token: SeCreatePagefilePrivilege	2160	GoogleUpdater.exe
Token: SeBackupPrivilege	2160	GoogleUpdater.exe
Token: SeRestorePrivilege	2160	GoogleUpdater.exe
Token: SeShutdownPrivilege	2160	GoogleUpdater.exe
Token: SeDebugPrivilege	2160	GoogleUpdater.exe
Token: SeSystemEnvironmentPrivilege	2160	GoogleUpdater.exe
Token: SeChangeNotifyPrivilege	2160	GoogleUpdater.exe
Token: SeRemoteShutdownPrivilege	2160	GoogleUpdater.exe
Token: SeUndockPrivilege	2160	GoogleUpdater.exe
Token: SeManageVolumePrivilege	2160	GoogleUpdater.exe
Token: SeImpersonatePrivilege	2160	GoogleUpdater.exe
Token: SeCreateGlobalPrivilege	2160	GoogleUpdater.exe
Token: 33	2160	GoogleUpdater.exe
Token: 34	2160	GoogleUpdater.exe
Token: 35	2160	GoogleUpdater.exe
Token: 36	2160	GoogleUpdater.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 2160	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	85
PID 1296 wrote to memory of 2160	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	85
PID 1296 wrote to memory of 2160	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	85
PID 1296 wrote to memory of 3196	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	86
PID 1296 wrote to memory of 3196	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	86
PID 1296 wrote to memory of 3196	1296	JaffaCakes118_4d797295c0435838adfea1948f963069.exe	86
PID 3196 wrote to memory of 4192	3196	cmd.exe	88
PID 3196 wrote to memory of 4192	3196	cmd.exe	88
PID 3196 wrote to memory of 4192	3196	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d797295c0435838adfea1948f963069.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d797295c0435838adfea1948f963069.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe
  "C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2160
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:4192

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

Filesize
119B

MD5
d35d7ad614723e04ec8496897b1d82cf

SHA1
2d2342ac8454e10437b69e2f343c144d8501f17e

SHA256
cb1bdef33b6475cbd8634f2499622ce816d493643352569b8515d3681eae13b2

SHA512
a006631c4ee52ebdfce19cc2b9cfcfdb69eb7f564548ca6b2f14b578e08199fd4cd475648458e9ae8491e98c0d2e01a9962969d8f7ce42f104f6c56e0be18e16

Download Submit
C:\Users\Admin\AppData\Roaming\GoogleUpdater\GoogleUpdater.exe

Filesize
714KB

MD5
4d797295c0435838adfea1948f963069

SHA1
0b13914a8effd2cdde48617d66ae0d2bff9bcb43

SHA256
a332d49c5566df484ce0fb6165ee4e5a611add6a312db9705154a2b9b0e5d9d0

SHA512
4f03b33e55e09b8a2eb4f898ef75517a9041d567eb698318ba2c25435b2fa273e82bd05207b616352cbbf11523a5439d472e1e94e508fdd9f8bbb2925d51131a

Download Submit
memory/1296-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/1296-39-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-44-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-42-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-43-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-38-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2160-45-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-46-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-41-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-48-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-49-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-50-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-51-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-52-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-53-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2160-54-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads