darkcomet | bdf33b12a9a6c529151694fb48bb35ca6081e8f3b08665540d9886bf3c6dba3c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 06:41

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General

Target

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
Size

1.0MB
MD5

15051bf8fa376d275276d45cb0216ce7
SHA1

01b7c5fadba6c9e63879824608185d649e8e85fb
SHA256

bdf33b12a9a6c529151694fb48bb35ca6081e8f3b08665540d9886bf3c6dba3c
SHA512

975cb14bd461ea818ef01846f1095adbedd881125089410e9d585c4ca3fbf4117a7bc96e94ef91b0fc2902aaa8af1b157129bd7909bd1161cc31f53aa27385d1
SSDEEP

24576:SlqzTQke4fpemfDvM0dyjsOezoC3iaYXINtb6CMnl3a5Oh/:S6Mke4hpDvM0sgnzIx4/fU1aYh/

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

vbc.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Startup = "C:\\Users\\Admin\\AppData\\Roaming\\ConnectionVP.exe"	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

description pid process target process

PID 2976 set thread context of 4980 2976 15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe vbc.exe

description	pid	process	target process
PID 2976 set thread context of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	vbc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	vbc.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

vbc.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier vbc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	vbc.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

pid	process
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4980	vbc.exe
Token: SeSecurityPrivilege	4980	vbc.exe
Token: SeTakeOwnershipPrivilege	4980	vbc.exe
Token: SeLoadDriverPrivilege	4980	vbc.exe
Token: SeSystemProfilePrivilege	4980	vbc.exe
Token: SeSystemtimePrivilege	4980	vbc.exe
Token: SeProfSingleProcessPrivilege	4980	vbc.exe
Token: SeIncBasePriorityPrivilege	4980	vbc.exe
Token: SeCreatePagefilePrivilege	4980	vbc.exe
Token: SeBackupPrivilege	4980	vbc.exe
Token: SeRestorePrivilege	4980	vbc.exe
Token: SeShutdownPrivilege	4980	vbc.exe
Token: SeDebugPrivilege	4980	vbc.exe
Token: SeSystemEnvironmentPrivilege	4980	vbc.exe
Token: SeChangeNotifyPrivilege	4980	vbc.exe
Token: SeRemoteShutdownPrivilege	4980	vbc.exe
Token: SeUndockPrivilege	4980	vbc.exe
Token: SeManageVolumePrivilege	4980	vbc.exe
Token: SeImpersonatePrivilege	4980	vbc.exe
Token: SeCreateGlobalPrivilege	4980	vbc.exe
Token: 33	4980	vbc.exe
Token: 34	4980	vbc.exe
Token: 35	4980	vbc.exe
Token: 36	4980	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

4980 vbc.exe

pid	process
4980	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe

description	pid	process	target process
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe
PID 2976 wrote to memory of 4980	2976	15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\15051bf8fa376d275276d45cb0216ce7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
2⤵
- Checks BIOS information in registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3584,i,6041070687820623968,3004230300437737550,262144 --variations-seed-version --mojo-platform-channel-handle=3784 /prefetch:8
1⤵
PID:2828

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2976-8-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/2976-1-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/2976-2-0x0000000075350000-0x0000000075901000-memory.dmp

Filesize
5.7MB

Download
memory/2976-0-0x0000000075352000-0x0000000075353000-memory.dmp

Filesize
4KB

Download
memory/4980-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-9-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-10-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-5-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-4-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-26-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-27-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-28-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4980-29-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download