darkcomet | 0c411ca4bc46fdab13e4f2afcc3b6eb65989d7ba92786cb033b6c98956688fd1

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 06:25

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General

Target

JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
Size

511KB
MD5

6334ff192eab8570d7309b9116a8b995
SHA1

c356ffcb58e1739bee3dc7ce45b41a195621912b
SHA256

0c411ca4bc46fdab13e4f2afcc3b6eb65989d7ba92786cb033b6c98956688fd1
SHA512

8061170cafc423e5de511d33f9eec42d99faf036b2f2ba8a7c5fb11835637d70c5714b0bcb1406221a013cdcad1647ff0f32ca45406e99efab9712044ff22cac
SSDEEP

12288:SBcdKoORknLPthaVpl0nOGFQu6b5K+SMoS:SiygvaynFQpN

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
2804	svchost.exe
2556	svchost.exe
3000	svchost.exe

Loads dropped DLL 6 IoCs

pid	Process
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2804	svchost.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2556	2804	svchost.exe	34
PID 2804 set thread context of 3000	2804	svchost.exe	35

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2428-0-0x0000000000400000-0x0000000000A1C000-memory.dmp	upx
behavioral1/files/0x000b000000012255-20.dat	upx
behavioral1/memory/2428-42-0x0000000000400000-0x0000000000A1C000-memory.dmp	upx
behavioral1/memory/2556-48-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-46-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-58-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/3000-55-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3000-54-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3000-53-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2804-51-0x0000000000400000-0x0000000000A1C000-memory.dmp	upx
behavioral1/memory/2556-59-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-60-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-62-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-61-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-63-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/3000-65-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2556-64-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-66-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-68-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-70-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-72-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-74-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-76-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-78-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-80-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-82-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-84-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-86-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-88-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2556-90-0x0000000000400000-0x00000000004C6000-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 6 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	svchost.exe
Token: SeIncreaseQuotaPrivilege	2556	svchost.exe
Token: SeSecurityPrivilege	2556	svchost.exe
Token: SeTakeOwnershipPrivilege	2556	svchost.exe
Token: SeLoadDriverPrivilege	2556	svchost.exe
Token: SeSystemProfilePrivilege	2556	svchost.exe
Token: SeSystemtimePrivilege	2556	svchost.exe
Token: SeProfSingleProcessPrivilege	2556	svchost.exe
Token: SeIncBasePriorityPrivilege	2556	svchost.exe
Token: SeCreatePagefilePrivilege	2556	svchost.exe
Token: SeBackupPrivilege	2556	svchost.exe
Token: SeRestorePrivilege	2556	svchost.exe
Token: SeShutdownPrivilege	2556	svchost.exe
Token: SeDebugPrivilege	2556	svchost.exe
Token: SeSystemEnvironmentPrivilege	2556	svchost.exe
Token: SeChangeNotifyPrivilege	2556	svchost.exe
Token: SeRemoteShutdownPrivilege	2556	svchost.exe
Token: SeUndockPrivilege	2556	svchost.exe
Token: SeManageVolumePrivilege	2556	svchost.exe
Token: SeImpersonatePrivilege	2556	svchost.exe
Token: SeCreateGlobalPrivilege	2556	svchost.exe
Token: 33	2556	svchost.exe
Token: 34	2556	svchost.exe
Token: 35	2556	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
2804	svchost.exe
3000	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2796	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	30
PID 2428 wrote to memory of 2796	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	30
PID 2428 wrote to memory of 2796	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	30
PID 2428 wrote to memory of 2796	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	30
PID 2796 wrote to memory of 2512	2796	cmd.exe	32
PID 2796 wrote to memory of 2512	2796	cmd.exe	32
PID 2796 wrote to memory of 2512	2796	cmd.exe	32
PID 2796 wrote to memory of 2512	2796	cmd.exe	32
PID 2428 wrote to memory of 2804	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	33
PID 2428 wrote to memory of 2804	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	33
PID 2428 wrote to memory of 2804	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	33
PID 2428 wrote to memory of 2804	2428	JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe	33
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 2556	2804	svchost.exe	34
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35
PID 2804 wrote to memory of 3000	2804	svchost.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6334ff192eab8570d7309b9116a8b995.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\NlXGs.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Microsoft" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2512
- C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    False
    3⤵
    - 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 use of AdjustPrivilegeToken
    PID:2556
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    False
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3000

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\AppData\Local\Temp\NlXGs.bat

Filesize
146B

MD5
60eba03d74f7eac1d650999ec2940e21

SHA1
b5e699a498f09744ddebc977e6e0cab78d9f7f6d

SHA256
fa1733d13decc3d951eaf692e2bde628744cfd3c7442600cd879f5079879c2de

SHA512
292006ad0e611dcc283de03ee9a70879690d88d9ccd00bfdfd0d357b0e582969737a90405a4eee685a44077e9ac8a3e559f35b04a275bc1dbbce8603cb7296ef

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\svchost.exe

Filesize
511KB

MD5
6334ff192eab8570d7309b9116a8b995

SHA1
c356ffcb58e1739bee3dc7ce45b41a195621912b

SHA256
0c411ca4bc46fdab13e4f2afcc3b6eb65989d7ba92786cb033b6c98956688fd1

SHA512
8061170cafc423e5de511d33f9eec42d99faf036b2f2ba8a7c5fb11835637d70c5714b0bcb1406221a013cdcad1647ff0f32ca45406e99efab9712044ff22cac

Download Submit
memory/2428-37-0x0000000003F60000-0x000000000457C000-memory.dmp

Filesize
6.1MB

Download
memory/2428-34-0x0000000003F60000-0x000000000457C000-memory.dmp

Filesize
6.1MB

Download
memory/2428-35-0x0000000003F60000-0x000000000457C000-memory.dmp

Filesize
6.1MB

Download
memory/2428-42-0x0000000000400000-0x0000000000A1C000-memory.dmp

Filesize
6.1MB

Download
memory/2428-0-0x0000000000400000-0x0000000000A1C000-memory.dmp

Filesize
6.1MB

Download
memory/2428-36-0x0000000003F60000-0x000000000457C000-memory.dmp

Filesize
6.1MB

Download
memory/2556-62-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-61-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-46-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-58-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-90-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-88-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-86-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-84-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-59-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-60-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-48-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-80-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-63-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-82-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-64-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-66-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-68-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-70-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-72-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-74-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-76-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2556-78-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2804-51-0x0000000000400000-0x0000000000A1C000-memory.dmp

Filesize
6.1MB

Download
memory/2804-45-0x0000000002FA0000-0x00000000035BC000-memory.dmp

Filesize
6.1MB

Download
memory/3000-65-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3000-53-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3000-54-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3000-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads