darkcomet | 8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c

General

Target

8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
Size

1.9MB
MD5

b6ce6f433f8fb8aa757c7d1ba1e16e41
SHA1

b10137e51748a67198f6fa0aa0f4d159a8ce20bd
SHA256

8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c
SHA512

dab515d1548d464204b5e98dff9e16cb459f3cc9d5e80edeab5726e7e4345454beff8dd8eb46a51ad7b742d21e9063c446b0aee6b02f9e44f698c4ddef2ad72c

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 3 IoCs

Processes:

test.exetest.exetest.exe

pid process

2836 test.exe
1476 test.exe
3716 test.exe

pid	process
2836	test.exe
1476	test.exe
3716	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2328-117-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2328-127-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3716-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3716-151-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exetest.exe

description	pid	process	target process
PID 3920 set thread context of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 2836 set thread context of 1476	2836	test.exe	test.exe
PID 2836 set thread context of 3716	2836	test.exe	test.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

test.exetest.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3716	test.exe
Token: SeSecurityPrivilege	3716	test.exe
Token: SeTakeOwnershipPrivilege	3716	test.exe
Token: SeLoadDriverPrivilege	3716	test.exe
Token: SeSystemProfilePrivilege	3716	test.exe
Token: SeSystemtimePrivilege	3716	test.exe
Token: SeProfSingleProcessPrivilege	3716	test.exe
Token: SeIncBasePriorityPrivilege	3716	test.exe
Token: SeCreatePagefilePrivilege	3716	test.exe
Token: SeBackupPrivilege	3716	test.exe
Token: SeRestorePrivilege	3716	test.exe
Token: SeShutdownPrivilege	3716	test.exe
Token: SeDebugPrivilege	3716	test.exe
Token: SeSystemEnvironmentPrivilege	3716	test.exe
Token: SeChangeNotifyPrivilege	3716	test.exe
Token: SeRemoteShutdownPrivilege	3716	test.exe
Token: SeUndockPrivilege	3716	test.exe
Token: SeManageVolumePrivilege	3716	test.exe
Token: SeImpersonatePrivilege	3716	test.exe
Token: SeCreateGlobalPrivilege	3716	test.exe
Token: 33	3716	test.exe
Token: 34	3716	test.exe
Token: 35	3716	test.exe
Token: 36	3716	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe
Token: SeDebugPrivilege	1476	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exetest.exetest.exe

pid	process
3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
2836	test.exe
1476	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.execmd.exetest.exe

description	pid	process	target process
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 3920 wrote to memory of 2328	3920	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
PID 2328 wrote to memory of 3108	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	cmd.exe
PID 2328 wrote to memory of 3108	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	cmd.exe
PID 2328 wrote to memory of 3108	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	cmd.exe
PID 3108 wrote to memory of 2988	3108	cmd.exe	reg.exe
PID 3108 wrote to memory of 2988	3108	cmd.exe	reg.exe
PID 3108 wrote to memory of 2988	3108	cmd.exe	reg.exe
PID 2328 wrote to memory of 2836	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	test.exe
PID 2328 wrote to memory of 2836	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	test.exe
PID 2328 wrote to memory of 2836	2328	8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 1476	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe
PID 2836 wrote to memory of 3716	2836	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
"C:\Users\Admin\AppData\Local\Temp\8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3920

C:\Users\Admin\AppData\Local\Temp\8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe
"C:\Users\Admin\AppData\Local\Temp\8a494b49ce0694448248a9a0ac26ee5d1fd285cde560ce5153742c0788f3e33c.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DEBJC.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3108

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
4⤵
- Adds Run key to start application
PID:2988

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2836

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1476

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3716

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DEBJC.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
e78cae26ac37c06fefd8317627ac2300

SHA1
77d04d3f4aef868881ab4a5fcd68cc427bdf2fb5

SHA256
695e0eae51a7cb117dacf430204478627534af9f57e8fadf11717cfbd7dc2ec1

SHA512
5434fddc2edeceafead9c742b43e6874ddc93b5841f6eae37ef390e8edec01482e2def013138be962f54cfcfec1f18f34066849a2772119ed465332b3180dc1c

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
e78cae26ac37c06fefd8317627ac2300

SHA1
77d04d3f4aef868881ab4a5fcd68cc427bdf2fb5

SHA256
695e0eae51a7cb117dacf430204478627534af9f57e8fadf11717cfbd7dc2ec1

SHA512
5434fddc2edeceafead9c742b43e6874ddc93b5841f6eae37ef390e8edec01482e2def013138be962f54cfcfec1f18f34066849a2772119ed465332b3180dc1c

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
e78cae26ac37c06fefd8317627ac2300

SHA1
77d04d3f4aef868881ab4a5fcd68cc427bdf2fb5

SHA256
695e0eae51a7cb117dacf430204478627534af9f57e8fadf11717cfbd7dc2ec1

SHA512
5434fddc2edeceafead9c742b43e6874ddc93b5841f6eae37ef390e8edec01482e2def013138be962f54cfcfec1f18f34066849a2772119ed465332b3180dc1c

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
e78cae26ac37c06fefd8317627ac2300

SHA1
77d04d3f4aef868881ab4a5fcd68cc427bdf2fb5

SHA256
695e0eae51a7cb117dacf430204478627534af9f57e8fadf11717cfbd7dc2ec1

SHA512
5434fddc2edeceafead9c742b43e6874ddc93b5841f6eae37ef390e8edec01482e2def013138be962f54cfcfec1f18f34066849a2772119ed465332b3180dc1c

Download Submit
memory/1476-138-0x00000000004085D0-mapping.dmp

Download
memory/2328-127-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2328-117-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2328-118-0x00000000004085D0-mapping.dmp

Download
memory/2836-144-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2836-149-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/2836-131-0x0000000000000000-mapping.dmp

Download
memory/2836-148-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/2836-147-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2836-146-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/2988-130-0x0000000000000000-mapping.dmp

Download
memory/3108-128-0x0000000000000000-mapping.dmp

Download
memory/3716-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3716-142-0x00000000004B5640-mapping.dmp

Download
memory/3716-151-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3716-154-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/3920-122-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3920-121-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3920-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/3920-123-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3920-124-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3920-125-0x0000000000610000-0x000000000075A000-memory.dmp

Filesize
1.3MB

Download
memory/3920-126-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads