darkcomet | 0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bf

Analysis

max time kernel
119s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 05:03

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General

Target

0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
Size

3.9MB
MD5

77d7ae897494cdcadf14a95df00a89e0
SHA1

da79e718953b846c65d2f51593176e44a6567299
SHA256

0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bf
SHA512

7900e2ddbdf26ea73b615ca1c5f7841fdd1979c4250204b0cd64548e249edce80b33442a6d7117432580b71d000c59f3aa32f757086ce09e61270fa8f9b211e7
SSDEEP

98304:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5Cq:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBq

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
2688	Soundcrd.exe
2644	Soundcrd.exe
2944	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2688	Soundcrd.exe
2688	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-1-5-21-1846800975-3917212583-2893086201-1000\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 2688 set thread context of 2644	2688	Soundcrd.exe	34
PID 2688 set thread context of 2944	2688	Soundcrd.exe	35

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2944-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2944-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2944-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2644-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-62-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-64-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-63-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2944-67-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2644-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-78-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-82-0x0000000000400000-0x00000000004B5000-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	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.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 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	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	2944	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2644	Soundcrd.exe
Token: SeSecurityPrivilege	2644	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2644	Soundcrd.exe
Token: SeLoadDriverPrivilege	2644	Soundcrd.exe
Token: SeSystemProfilePrivilege	2644	Soundcrd.exe
Token: SeSystemtimePrivilege	2644	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2644	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2644	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2644	Soundcrd.exe
Token: SeBackupPrivilege	2644	Soundcrd.exe
Token: SeRestorePrivilege	2644	Soundcrd.exe
Token: SeShutdownPrivilege	2644	Soundcrd.exe
Token: SeDebugPrivilege	2644	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2644	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2644	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2644	Soundcrd.exe
Token: SeUndockPrivilege	2644	Soundcrd.exe
Token: SeManageVolumePrivilege	2644	Soundcrd.exe
Token: SeImpersonatePrivilege	2644	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2644	Soundcrd.exe
Token: 33	2644	Soundcrd.exe
Token: 34	2644	Soundcrd.exe
Token: 35	2644	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
2688	Soundcrd.exe
2944	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2776	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	30
PID 2632 wrote to memory of 2776	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	30
PID 2632 wrote to memory of 2776	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	30
PID 2632 wrote to memory of 2776	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	30
PID 2776 wrote to memory of 2388	2776	cmd.exe	32
PID 2776 wrote to memory of 2388	2776	cmd.exe	32
PID 2776 wrote to memory of 2388	2776	cmd.exe	32
PID 2776 wrote to memory of 2388	2776	cmd.exe	32
PID 2632 wrote to memory of 2688	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	33
PID 2632 wrote to memory of 2688	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	33
PID 2632 wrote to memory of 2688	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	33
PID 2632 wrote to memory of 2688	2632	0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe	33
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2644	2688	Soundcrd.exe	34
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35
PID 2688 wrote to memory of 2944	2688	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe
"C:\Users\Admin\AppData\Local\Temp\0ad978b8fcf97c61ed88bba430a452a75e4156e4b7c854506ae5677b2653a5bfN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\PtxOr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2388
- 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:2688
- - 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:2644
- - 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:2944

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\PtxOr.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
6282dcd63e167679b4f4c41933f60196

SHA1
e83f246dd3a848bb10c4dc834514d51f955b4831

SHA256
a29955f39da94b7d4bd590bfe9d771d2251e987f8ceb2897bb7d3211980789b3

SHA512
b8b7f60e837e480ab50b83feadf196b390bd14c90acaef2d38df1b8bff62f4bf6fb69f517a59e40b1a54ae715fcbd06fcb2af24e28a8accd2aa04afe3e967482

Download Submit
memory/2632-0-0x0000000000400000-0x00000000007E8000-memory.dmp

Filesize
3.9MB

Download
memory/2644-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-82-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2644-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2944-67-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2944-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2944-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2944-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads