darkcomet | de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5

Analysis

max time kernel
150s
max time network
143s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 06:22

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
Size

3.9MB
MD5

e5fd46b0169d73bdf468588c6812660f
SHA1

f65130dbb62c8670a3c75d89d3ac981fd0ba545e
SHA256

de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5
SHA512

e34c5cfe84c172fd54a018fdf0b0d41926dd7ad4c84a2cb92ad65bab95dadd78532f076d3f0058b77bdff0ff1d560e399c2b4628914d5f1961be7a2f3d31cb23
SSDEEP

98304:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5C2:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmB2

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
2664	Soundcrd.exe
2568	Soundcrd.exe
832	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2664	Soundcrd.exe
2664	Soundcrd.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-2-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/files/0x0009000000016ccd-27.dat	upx
behavioral1/memory/2664-47-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2668-46-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2568-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/832-63-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/832-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/832-61-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2568-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2664-59-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2568-72-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/832-73-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2568-76-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-80-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-84-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-88-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-92-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2568-96-0x0000000000400000-0x00000000004B5000-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-1-5-21-3294248377-1418901787-4083263181-1000\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 2664 set thread context of 2568	2664	Soundcrd.exe	34
PID 2664 set thread context of 832	2664	Soundcrd.exe	35

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	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	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.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

description	ioc	Process
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	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	832	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2568	Soundcrd.exe
Token: SeSecurityPrivilege	2568	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2568	Soundcrd.exe
Token: SeLoadDriverPrivilege	2568	Soundcrd.exe
Token: SeSystemProfilePrivilege	2568	Soundcrd.exe
Token: SeSystemtimePrivilege	2568	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2568	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2568	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2568	Soundcrd.exe
Token: SeBackupPrivilege	2568	Soundcrd.exe
Token: SeRestorePrivilege	2568	Soundcrd.exe
Token: SeShutdownPrivilege	2568	Soundcrd.exe
Token: SeDebugPrivilege	2568	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2568	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2568	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2568	Soundcrd.exe
Token: SeUndockPrivilege	2568	Soundcrd.exe
Token: SeManageVolumePrivilege	2568	Soundcrd.exe
Token: SeImpersonatePrivilege	2568	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2568	Soundcrd.exe
Token: 33	2568	Soundcrd.exe
Token: 34	2568	Soundcrd.exe
Token: 35	2568	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
2664	Soundcrd.exe
832	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2532	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	30
PID 2668 wrote to memory of 2532	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	30
PID 2668 wrote to memory of 2532	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	30
PID 2668 wrote to memory of 2532	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	30
PID 2532 wrote to memory of 1996	2532	cmd.exe	32
PID 2532 wrote to memory of 1996	2532	cmd.exe	32
PID 2532 wrote to memory of 1996	2532	cmd.exe	32
PID 2532 wrote to memory of 1996	2532	cmd.exe	32
PID 2668 wrote to memory of 2664	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	33
PID 2668 wrote to memory of 2664	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	33
PID 2668 wrote to memory of 2664	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	33
PID 2668 wrote to memory of 2664	2668	de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe	33
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 2568	2664	Soundcrd.exe	34
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35
PID 2664 wrote to memory of 832	2664	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe
"C:\Users\Admin\AppData\Local\Temp\de0367114fea82bc8d7f96bdb37625c53eec881857b218eb4af590393005e0a5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\PxzJY.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:1996
- 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:2664
- - 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:2568
- - 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:832

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
628663900eb730edcd9518e9d9004ea9

SHA1
5a1a04061458fe469bdd1ec5ec54c43eb3c57dbc

SHA256
35d07b8d9a4fdc93e0abc8b7e53d429ee3c3ee0b81e976825c409c5c4a865c9c

SHA512
5e0ceec676f2b72932fcbe8a4d352f6b048249a189107582bc1249d5ee719d14c630ecedf20531701c4823a4948d8f7e6c4f00d1db639fc4a052426b279114f2

Download Submit
memory/832-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/832-73-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/832-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/832-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2568-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-92-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-84-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-88-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-80-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-76-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2568-96-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2664-57-0x0000000002C70000-0x000000000305C000-memory.dmp

Filesize
3.9MB

Download
memory/2664-59-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2664-47-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2668-2-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2668-43-0x0000000003830000-0x0000000003C1C000-memory.dmp

Filesize
3.9MB

Download
memory/2668-44-0x0000000003830000-0x0000000003C1C000-memory.dmp

Filesize
3.9MB

Download
memory/2668-46-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2668-42-0x0000000003830000-0x0000000003C1C000-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