darkcomet | 329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 04:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
Size

574KB
MD5

fe01f79aa8cc5c6a8cd400f9db0f50a0
SHA1

668a2905ce1eca106c44eff958a296ebb16a5056
SHA256

329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988
SHA512

cd12879bbac91cc8eb81a5ede01fa73fc4e106023cf62905a535f19b3dabcda253052dea6f2e2beb90b8a63f3b6d75688e27bd59c33d3f533b3318aaa799f9c6
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsuby:zFhWAfn22m0eD1GPz8HdxG

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	Soundcrd.exe

Executes dropped EXE 3 IoCs

pid	Process
536	Soundcrd.exe
2864	Soundcrd.exe
2304	Soundcrd.exe

Loads dropped DLL 6 IoCs

pid	Process
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
536	Soundcrd.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 536 set thread context of 2864	536	Soundcrd.exe	34
PID 536 set thread context of 2304	536	Soundcrd.exe	35

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2304-64-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2304-60-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2304-55-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2304-72-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-73-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-78-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-82-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-86-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-90-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-94-0x0000000000400000-0x00000000004B5000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Soundcrd.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	Soundcrd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2864	Soundcrd.exe
Token: SeSecurityPrivilege	2864	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2864	Soundcrd.exe
Token: SeLoadDriverPrivilege	2864	Soundcrd.exe
Token: SeSystemProfilePrivilege	2864	Soundcrd.exe
Token: SeSystemtimePrivilege	2864	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2864	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2864	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2864	Soundcrd.exe
Token: SeBackupPrivilege	2864	Soundcrd.exe
Token: SeRestorePrivilege	2864	Soundcrd.exe
Token: SeShutdownPrivilege	2864	Soundcrd.exe
Token: SeDebugPrivilege	2864	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2864	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2864	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2864	Soundcrd.exe
Token: SeUndockPrivilege	2864	Soundcrd.exe
Token: SeManageVolumePrivilege	2864	Soundcrd.exe
Token: SeImpersonatePrivilege	2864	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2864	Soundcrd.exe
Token: 33	2864	Soundcrd.exe
Token: 34	2864	Soundcrd.exe
Token: 35	2864	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
536	Soundcrd.exe
2304	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2396	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	30
PID 3000 wrote to memory of 2396	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	30
PID 3000 wrote to memory of 2396	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	30
PID 3000 wrote to memory of 2396	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	30
PID 2396 wrote to memory of 2860	2396	cmd.exe	32
PID 2396 wrote to memory of 2860	2396	cmd.exe	32
PID 2396 wrote to memory of 2860	2396	cmd.exe	32
PID 2396 wrote to memory of 2860	2396	cmd.exe	32
PID 3000 wrote to memory of 536	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	33
PID 3000 wrote to memory of 536	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	33
PID 3000 wrote to memory of 536	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	33
PID 3000 wrote to memory of 536	3000	329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe	33
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2864	536	Soundcrd.exe	34
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35
PID 536 wrote to memory of 2304	536	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe
"C:\Users\Admin\AppData\Local\Temp\329e48e27fc8d57914146ed9d116ccc583fb4b7ba7d47e33ef09051145f5f988N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\lIXfH.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2860
- C:\Users\Admin\AppData\Roaming\Soundcrd.exe
  "C:\Users\Admin\AppData\Roaming\Soundcrd.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:536
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    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:2864
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2304

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

Download Submit
\Users\Admin\AppData\Roaming\Soundcrd.exe

Filesize
574KB

MD5
024742fd91f30ab88ee27ca86ddb504f

SHA1
5c464b0beb7e7af1c0a4ca82bdbba1fa1f7ad546

SHA256
67c9e8b062f9a996e396acf1a5e716cf21038532ee67d9ac9fc8730e808d7a9b

SHA512
f00d960d8283a29ed459119fc13fd173db5d01996eaf4f2068abc73662fe7e9c489643adc81f4afc3926874864d2badb02afe2bb99be8db02cc684a4155ab6d2

Download Submit
memory/536-61-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/536-47-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2304-72-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2304-64-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2304-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2304-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2304-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-94-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-90-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-86-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-82-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3000-2-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/3000-43-0x0000000003A00000-0x0000000003DEA000-memory.dmp

Filesize
3.9MB

Download
memory/3000-46-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/3000-42-0x0000000003A00000-0x0000000003DEA000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads