darkcomet | c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e

General

Target

c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
Size

1.9MB
MD5

bfff1c43fa84308b29894cfc0e4e3c8b
SHA1

cb7997b5749bc85627ccbb1ba8c168b437555e63
SHA256

c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e
SHA512

0a9d24f1a0918f1d2b90e184302a1637938d378bf8f35519d06aebb62d52de676ab9758c94a5651d74bbf6670ffceed4c22dcea001123e4e5b2ee07aa695a315

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

3340 test.exe
2268 test.exe
3384 test.exe

pid	process
3340	test.exe
2268	test.exe
3384	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1352-121-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1352-127-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3384-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3384-153-0x0000000000400000-0x00000000004B7000-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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exetest.exe

description	pid	process	target process
PID 3744 set thread context of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3340 set thread context of 2268	3340	test.exe	test.exe
PID 3340 set thread context of 3384	3340	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	3384	test.exe
Token: SeSecurityPrivilege	3384	test.exe
Token: SeTakeOwnershipPrivilege	3384	test.exe
Token: SeLoadDriverPrivilege	3384	test.exe
Token: SeSystemProfilePrivilege	3384	test.exe
Token: SeSystemtimePrivilege	3384	test.exe
Token: SeProfSingleProcessPrivilege	3384	test.exe
Token: SeIncBasePriorityPrivilege	3384	test.exe
Token: SeCreatePagefilePrivilege	3384	test.exe
Token: SeBackupPrivilege	3384	test.exe
Token: SeRestorePrivilege	3384	test.exe
Token: SeShutdownPrivilege	3384	test.exe
Token: SeDebugPrivilege	3384	test.exe
Token: SeSystemEnvironmentPrivilege	3384	test.exe
Token: SeChangeNotifyPrivilege	3384	test.exe
Token: SeRemoteShutdownPrivilege	3384	test.exe
Token: SeUndockPrivilege	3384	test.exe
Token: SeManageVolumePrivilege	3384	test.exe
Token: SeImpersonatePrivilege	3384	test.exe
Token: SeCreateGlobalPrivilege	3384	test.exe
Token: 33	3384	test.exe
Token: 34	3384	test.exe
Token: 35	3384	test.exe
Token: 36	3384	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe
Token: SeDebugPrivilege	2268	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exec8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exetest.exetest.exe

pid	process
3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
3340	test.exe
2268	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exec8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.execmd.exetest.exe

description	pid	process	target process
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 3744 wrote to memory of 1352	3744	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
PID 1352 wrote to memory of 2228	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	cmd.exe
PID 1352 wrote to memory of 2228	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	cmd.exe
PID 1352 wrote to memory of 2228	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	cmd.exe
PID 2228 wrote to memory of 2756	2228	cmd.exe	reg.exe
PID 2228 wrote to memory of 2756	2228	cmd.exe	reg.exe
PID 2228 wrote to memory of 2756	2228	cmd.exe	reg.exe
PID 1352 wrote to memory of 3340	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	test.exe
PID 1352 wrote to memory of 3340	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	test.exe
PID 1352 wrote to memory of 3340	1352	c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 2268	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe
PID 3340 wrote to memory of 3384	3340	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
"C:\Users\Admin\AppData\Local\Temp\c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3744

C:\Users\Admin\AppData\Local\Temp\c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe
"C:\Users\Admin\AppData\Local\Temp\c8bf059ebf4161fe3a8edb1430389c89a09425089e5ccf2587d88ebb1ef5cb6e.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CINBE.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2228

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:2756

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:3340

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:2268

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:3384

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
f14d4ada0117f4254c261bb9614367a1

SHA1
30bacfb6d1ee916dc312acfe248b0e20b6f3a1b9

SHA256
01014981edc91d5c7df8194a7c97420c33a0ceb4a48beac7638c0b8c9b7d8772

SHA512
ad5a5062c03422f2f6565ecdd21e800e2c5857bc79dd0c49dd285340c15c606e146d369172b85342996f668339dc3ef31906c62985984c15183c395a4b36b6cd

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
f14d4ada0117f4254c261bb9614367a1

SHA1
30bacfb6d1ee916dc312acfe248b0e20b6f3a1b9

SHA256
01014981edc91d5c7df8194a7c97420c33a0ceb4a48beac7638c0b8c9b7d8772

SHA512
ad5a5062c03422f2f6565ecdd21e800e2c5857bc79dd0c49dd285340c15c606e146d369172b85342996f668339dc3ef31906c62985984c15183c395a4b36b6cd

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
f14d4ada0117f4254c261bb9614367a1

SHA1
30bacfb6d1ee916dc312acfe248b0e20b6f3a1b9

SHA256
01014981edc91d5c7df8194a7c97420c33a0ceb4a48beac7638c0b8c9b7d8772

SHA512
ad5a5062c03422f2f6565ecdd21e800e2c5857bc79dd0c49dd285340c15c606e146d369172b85342996f668339dc3ef31906c62985984c15183c395a4b36b6cd

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
f14d4ada0117f4254c261bb9614367a1

SHA1
30bacfb6d1ee916dc312acfe248b0e20b6f3a1b9

SHA256
01014981edc91d5c7df8194a7c97420c33a0ceb4a48beac7638c0b8c9b7d8772

SHA512
ad5a5062c03422f2f6565ecdd21e800e2c5857bc79dd0c49dd285340c15c606e146d369172b85342996f668339dc3ef31906c62985984c15183c395a4b36b6cd

Download Submit
memory/1352-121-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1352-123-0x00000000004085D0-mapping.dmp

Download
memory/1352-127-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2228-128-0x0000000000000000-mapping.dmp

Download
memory/2268-138-0x00000000004085D0-mapping.dmp

Download
memory/2756-130-0x0000000000000000-mapping.dmp

Download
memory/3340-131-0x0000000000000000-mapping.dmp

Download
memory/3384-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3384-141-0x00000000004B5640-mapping.dmp

Download
memory/3384-153-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3384-154-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/3744-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/3744-120-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/3744-119-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/3744-124-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/3744-118-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/3744-122-0x00000000021D0000-0x00000000021D1000-memory.dmp

Filesize
4KB

Download
memory/3744-117-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads