darkcomet | 1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7

Analysis

max time kernel
149s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 20:11

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General

Target

1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
Size

3.9MB
MD5

201f1800b9e65be9b59000b273abdf35
SHA1

bd49ed397d9f6c6919668cd0865a09500e1ae139
SHA256

1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7
SHA512

60cc3c754d0c7bec38703e0cd01e2ebba1f3a1a7a541df392ee8c1295bc7a25d392d85a59bf555b51e72f16031c68e350756406de0bc82ecbcf3c6903aca5ab2
SSDEEP

98304:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5Ct:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBt

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
2740	Soundcrd.exe
2224	Soundcrd.exe
2864	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
2740	Soundcrd.exe
2740	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-1-5-21-4177215427-74451935-3209572229-1000\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 2740 set thread context of 2224	2740	Soundcrd.exe	34
PID 2740 set thread context of 2864	2740	Soundcrd.exe	35

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-55-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-53-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2224-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2224-59-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-60-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-63-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-64-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-62-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-66-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2224-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-75-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-79-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-83-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-87-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2224-93-0x0000000000400000-0x00000000004B5000-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	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
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

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\Identifier	Soundcrd.exe
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

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	2864	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2224	Soundcrd.exe
Token: SeSecurityPrivilege	2224	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2224	Soundcrd.exe
Token: SeLoadDriverPrivilege	2224	Soundcrd.exe
Token: SeSystemProfilePrivilege	2224	Soundcrd.exe
Token: SeSystemtimePrivilege	2224	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2224	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2224	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2224	Soundcrd.exe
Token: SeBackupPrivilege	2224	Soundcrd.exe
Token: SeRestorePrivilege	2224	Soundcrd.exe
Token: SeShutdownPrivilege	2224	Soundcrd.exe
Token: SeDebugPrivilege	2224	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2224	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2224	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2224	Soundcrd.exe
Token: SeUndockPrivilege	2224	Soundcrd.exe
Token: SeManageVolumePrivilege	2224	Soundcrd.exe
Token: SeImpersonatePrivilege	2224	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2224	Soundcrd.exe
Token: 33	2224	Soundcrd.exe
Token: 34	2224	Soundcrd.exe
Token: 35	2224	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
2740	Soundcrd.exe
2864	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 1252	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	30
PID 1844 wrote to memory of 1252	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	30
PID 1844 wrote to memory of 1252	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	30
PID 1844 wrote to memory of 1252	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	30
PID 1252 wrote to memory of 2480	1252	cmd.exe	32
PID 1252 wrote to memory of 2480	1252	cmd.exe	32
PID 1252 wrote to memory of 2480	1252	cmd.exe	32
PID 1252 wrote to memory of 2480	1252	cmd.exe	32
PID 1844 wrote to memory of 2740	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	33
PID 1844 wrote to memory of 2740	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	33
PID 1844 wrote to memory of 2740	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	33
PID 1844 wrote to memory of 2740	1844	1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe	33
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2224	2740	Soundcrd.exe	34
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35
PID 2740 wrote to memory of 2864	2740	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe
"C:\Users\Admin\AppData\Local\Temp\1dff388a94114268eac691658a947853f16bba4d18a7c75b65680b8c827a39d7.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\UaDTp.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1252
- - 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:2480
- 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:2740
- - 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:2224
- - 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:2864

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\UaDTp.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
560d67c6d8f7b31deaf70355ba41ccbd

SHA1
b805a7719051d3e13013fd71d9b0923fbed87e1a

SHA256
786b0040ad5ccca1a1b4131a35d8dedd33ac2153dca95fe97c7396c183c44de6

SHA512
8c72ab391a429f6132aaf9a4f66036edb2ce7e03779ed3ccd8cf56e06606df973114a40668c4b4f83b79777d45c4236c97c2639ee3df34b5b32af46b7e68a685

Download Submit
memory/1844-0-0x0000000000400000-0x00000000007E8000-memory.dmp

Filesize
3.9MB

Download
memory/2224-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-93-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-87-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-83-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2224-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-66-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-53-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads