darkcomet | 1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd

Analysis

max time kernel
149s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 19:01

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General

Target

1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
Size

3.9MB
MD5

0b900f1e0009adf08ac7c57878e2f84c
SHA1

36d4f6be34343653cb6ffef7bc278603bcf446c1
SHA256

1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd
SHA512

b3934d8404bdbeeacab1b8c4dd7d8e94cf4c94124e938660a3088d814e89bdf3d4339b8570e3f63615db7759ebb5e0de0fbfb9e6bd0c3849fff36d7d18d51757
SSDEEP

98304:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5CN:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBN

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

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
2232	Soundcrd.exe
2556	Soundcrd.exe
2512	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
2232	Soundcrd.exe
2232	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-1-5-21-312935884-697965778-3955649944-1000\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 2232 set thread context of 2556	2232	Soundcrd.exe	32
PID 2232 set thread context of 2512	2232	Soundcrd.exe	33

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2556-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2512-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2512-61-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2512-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2556-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2512-67-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2556-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-78-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-82-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-86-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2556-90-0x0000000000400000-0x00000000004B5000-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	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.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: SeIncreaseQuotaPrivilege	2556	Soundcrd.exe
Token: SeSecurityPrivilege	2556	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2556	Soundcrd.exe
Token: SeLoadDriverPrivilege	2556	Soundcrd.exe
Token: SeSystemProfilePrivilege	2556	Soundcrd.exe
Token: SeSystemtimePrivilege	2556	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2556	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2556	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2556	Soundcrd.exe
Token: SeBackupPrivilege	2556	Soundcrd.exe
Token: SeRestorePrivilege	2556	Soundcrd.exe
Token: SeShutdownPrivilege	2556	Soundcrd.exe
Token: SeDebugPrivilege	2556	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2556	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2556	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2556	Soundcrd.exe
Token: SeUndockPrivilege	2556	Soundcrd.exe
Token: SeManageVolumePrivilege	2556	Soundcrd.exe
Token: SeImpersonatePrivilege	2556	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2556	Soundcrd.exe
Token: 33	2556	Soundcrd.exe
Token: 34	2556	Soundcrd.exe
Token: 35	2556	Soundcrd.exe
Token: SeDebugPrivilege	2512	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
2232	Soundcrd.exe
2512	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2716	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	28
PID 1716 wrote to memory of 2716	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	28
PID 1716 wrote to memory of 2716	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	28
PID 1716 wrote to memory of 2716	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	28
PID 2716 wrote to memory of 2632	2716	cmd.exe	30
PID 2716 wrote to memory of 2632	2716	cmd.exe	30
PID 2716 wrote to memory of 2632	2716	cmd.exe	30
PID 2716 wrote to memory of 2632	2716	cmd.exe	30
PID 1716 wrote to memory of 2232	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	31
PID 1716 wrote to memory of 2232	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	31
PID 1716 wrote to memory of 2232	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	31
PID 1716 wrote to memory of 2232	1716	1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe	31
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2556	2232	Soundcrd.exe	32
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33
PID 2232 wrote to memory of 2512	2232	Soundcrd.exe	33

C:\Users\Admin\AppData\Local\Temp\1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe
"C:\Users\Admin\AppData\Local\Temp\1c18e114b3f7d6744d43288a16d1acfaf95d6c694d3e729109d13621fe9b6afd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\oiMLq.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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:2632
- 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:2232
- - 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:2556
- - 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:2512

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\oiMLq.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
d171254b66639f746dfcd80b0def33d7

SHA1
f7a7830595e430f9291a652a3f62ee5d744ab3ff

SHA256
495028b975706e124787f4f2bf921c35970eceb81b41e9f3014d50a90df567bb

SHA512
a12a7ea9678dfbf283591da3ddd0bf8ec7fb23f5ecd2623ec88fde13b1afa0069b2f2c5dfec56e4ab8d9ed470ab2a9254b8d54c0614164e1ccc35e6daae2373b

Download Submit
memory/1716-0-0x0000000000400000-0x00000000007E8000-memory.dmp

Filesize
3.9MB

Download
memory/2512-67-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2512-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2556-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-82-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-86-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2556-90-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads