darkcomet | 6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8

General

Target

6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
Size

574KB
MD5

f928c579be4ffb7559d9472e595961cb
SHA1

1f3cf4b663345beb69ed0da45995fc188ac23581
SHA256

6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8
SHA512

33c2100de36e8fe25d8a72c27dc32c69e1639db05dcfe5980959e2089f9d3861d57e67fa81b0f4e11e278066b487c4bfa14a6c95793fbea4d0afbb093b7bbacf
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsub2:zFhWAfn22m0eD1GPz8Hdxi

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

Processes:

Soundcrd.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate Soundcrd.exe
Executes dropped EXE 3 IoCs

Processes:

Soundcrd.exeSoundcrd.exeSoundcrd.exe

pid process

3048 Soundcrd.exe
2696 Soundcrd.exe
2644 Soundcrd.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Soundcrd.exe

pid	process
3048	Soundcrd.exe
2696	Soundcrd.exe
2644	Soundcrd.exe

Loads dropped DLL 7 IoCs

Processes:

6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exeSoundcrd.exe

pid	process
2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
3048	Soundcrd.exe
3048	Soundcrd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Soundcrd.exe

description	pid	process	target process
PID 3048 set thread context of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 set thread context of 2644	3048	Soundcrd.exe	Soundcrd.exe

UPX packed file 19 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2696-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2644-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2696-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2696-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2644-73-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2696-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-79-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-83-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-87-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-91-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2696-95-0x0000000000400000-0x00000000004B5000-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

Processes:

reg.exeSoundcrd.exeSoundcrd.exeSoundcrd.exe6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.execmd.exe

description	ioc	process
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	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.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

Processes:

Soundcrd.exe

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

Processes:

Soundcrd.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier Soundcrd.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Soundcrd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

Soundcrd.exeSoundcrd.exe

description	pid	process
Token: SeDebugPrivilege	2644	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2696	Soundcrd.exe
Token: SeSecurityPrivilege	2696	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2696	Soundcrd.exe
Token: SeLoadDriverPrivilege	2696	Soundcrd.exe
Token: SeSystemProfilePrivilege	2696	Soundcrd.exe
Token: SeSystemtimePrivilege	2696	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2696	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2696	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2696	Soundcrd.exe
Token: SeBackupPrivilege	2696	Soundcrd.exe
Token: SeRestorePrivilege	2696	Soundcrd.exe
Token: SeShutdownPrivilege	2696	Soundcrd.exe
Token: SeDebugPrivilege	2696	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2696	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2696	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2696	Soundcrd.exe
Token: SeUndockPrivilege	2696	Soundcrd.exe
Token: SeManageVolumePrivilege	2696	Soundcrd.exe
Token: SeImpersonatePrivilege	2696	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2696	Soundcrd.exe
Token: 33	2696	Soundcrd.exe
Token: 34	2696	Soundcrd.exe
Token: 35	2696	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exeSoundcrd.exeSoundcrd.exe

pid process

2128 6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
3048 Soundcrd.exe
2644 Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.execmd.exeSoundcrd.exe

description	pid	process	target process
PID 2128 wrote to memory of 2780	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	cmd.exe
PID 2128 wrote to memory of 2780	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	cmd.exe
PID 2128 wrote to memory of 2780	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	cmd.exe
PID 2128 wrote to memory of 2780	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	cmd.exe
PID 2780 wrote to memory of 2876	2780	cmd.exe	reg.exe
PID 2780 wrote to memory of 2876	2780	cmd.exe	reg.exe
PID 2780 wrote to memory of 2876	2780	cmd.exe	reg.exe
PID 2780 wrote to memory of 2876	2780	cmd.exe	reg.exe
PID 2128 wrote to memory of 3048	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	Soundcrd.exe
PID 2128 wrote to memory of 3048	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	Soundcrd.exe
PID 2128 wrote to memory of 3048	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	Soundcrd.exe
PID 2128 wrote to memory of 3048	2128	6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2696	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe
PID 3048 wrote to memory of 2644	3048	Soundcrd.exe	Soundcrd.exe

C:\Users\Admin\AppData\Local\Temp\6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe
"C:\Users\Admin\AppData\Local\Temp\6ac288d897fa48a3d4c2ed1f6f3b578fffdfddb6ac0898d14d07da2e8bfd8eb8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\vwKha.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - 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:2876
- 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:3048
- - 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:2696
- - 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:2644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
574KB

MD5
8a5c29d6f44170e5f9fecc87f3c7ee43

SHA1
e8e590db23e33de4779d3fcee295a80140077055

SHA256
1886f744d19dcf1a73734ef9620131d32780409fcfd0013bb135485603ba13e8

SHA512
75f0576fb997a67413cb2063b6ab58b608405151c1c865609f68483dcc630081b4a81295ab38411f9912058a83534f0a22bf779842db4917006ae057c970de66

Download Submit
memory/2128-45-0x0000000003520000-0x000000000390A000-memory.dmp

Filesize
3.9MB

Download
memory/2128-44-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2128-72-0x0000000003520000-0x000000000390A000-memory.dmp

Filesize
3.9MB

Download
memory/2128-0-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2644-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2644-73-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2644-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2644-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2696-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-95-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-91-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-87-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-83-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2696-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3048-60-0x0000000002BD0000-0x0000000002FBA000-memory.dmp

Filesize
3.9MB

Download
memory/3048-46-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/3048-63-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/3048-55-0x0000000002AD0000-0x0000000002EBA000-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