darkcomet | 0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 18:43

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General

Target

0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
Size

3.9MB
MD5

9e9fd81095efb49820ceb84b69e310ab
SHA1

29dd91a7553c39c0926be884de2d9fde0cefb3a4
SHA256

0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22
SHA512

1957143abd85d7f0bc04c148f3236ce5317c504d829e68818914e5ec3c710945c065569c2359433f9fb088d147db2cdc25fb126c1786f1baa3845160d9933e5f
SSDEEP

98304:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5C+:8lX3KMj7yBNUVPhd5G0Z5DxdM3hZpmB+

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
2432	Soundcrd.exe
2720	Soundcrd.exe
3004	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2432	Soundcrd.exe
2432	Soundcrd.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2720-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/3004-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3004-63-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3004-61-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3004-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2720-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/3004-68-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2720-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-75-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-79-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-83-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-87-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2720-93-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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-1-5-21-2872745919-2748461613-2989606286-1000\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 2432 set thread context of 2720	2432	Soundcrd.exe	35
PID 2432 set thread context of 3004	2432	Soundcrd.exe	36

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	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.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

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	2720	Soundcrd.exe
Token: SeSecurityPrivilege	2720	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2720	Soundcrd.exe
Token: SeLoadDriverPrivilege	2720	Soundcrd.exe
Token: SeSystemProfilePrivilege	2720	Soundcrd.exe
Token: SeSystemtimePrivilege	2720	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2720	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2720	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2720	Soundcrd.exe
Token: SeBackupPrivilege	2720	Soundcrd.exe
Token: SeRestorePrivilege	2720	Soundcrd.exe
Token: SeShutdownPrivilege	2720	Soundcrd.exe
Token: SeDebugPrivilege	2720	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2720	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2720	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2720	Soundcrd.exe
Token: SeUndockPrivilege	2720	Soundcrd.exe
Token: SeManageVolumePrivilege	2720	Soundcrd.exe
Token: SeImpersonatePrivilege	2720	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2720	Soundcrd.exe
Token: 33	2720	Soundcrd.exe
Token: 34	2720	Soundcrd.exe
Token: 35	2720	Soundcrd.exe
Token: SeDebugPrivilege	3004	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
2432	Soundcrd.exe
3004	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2352	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	31
PID 2104 wrote to memory of 2352	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	31
PID 2104 wrote to memory of 2352	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	31
PID 2104 wrote to memory of 2352	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	31
PID 2352 wrote to memory of 2872	2352	cmd.exe	33
PID 2352 wrote to memory of 2872	2352	cmd.exe	33
PID 2352 wrote to memory of 2872	2352	cmd.exe	33
PID 2352 wrote to memory of 2872	2352	cmd.exe	33
PID 2104 wrote to memory of 2432	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	34
PID 2104 wrote to memory of 2432	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	34
PID 2104 wrote to memory of 2432	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	34
PID 2104 wrote to memory of 2432	2104	0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe	34
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 2720	2432	Soundcrd.exe	35
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36
PID 2432 wrote to memory of 3004	2432	Soundcrd.exe	36

C:\Users\Admin\AppData\Local\Temp\0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe
"C:\Users\Admin\AppData\Local\Temp\0ebda2027f478ceb915771aa4536b965e53ae6034160b5649269f62f26897c22.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\EUDSe.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2352
- - 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:2872
- 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:2432
- - 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:2720
- - 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:3004

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\EUDSe.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
75171a7ed01cafd4d7311111dba85db4

SHA1
f332e942fbfae357d15e760692fc405f340feb5d

SHA256
15634e8303889f7c44b0e6931621bfc3e07bca76a563c1721ab25bcc8d5502bc

SHA512
691218db3504e91c62ed27fb9f966d2f3754a2b79ccfba50423066bea58bbd268ac1c4b9af8a2202ac70f4a5aa4f59a00d859faefa5196b3ba08abd7092249d7

Download Submit
memory/2104-0-0x0000000000400000-0x00000000007E8000-memory.dmp

Filesize
3.9MB

Download
memory/2720-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-93-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-87-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-83-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2720-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3004-68-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3004-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads