darkcomet | cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608

General

Target

cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
Size

1.9MB
MD5

c8e40b0239e76e084d28b19e611700df
SHA1

a4166c99927fccfb4338c3902439fca15c4a26d9
SHA256

cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608
SHA512

e7e067720ae7860a7f75af6b041ea3aff58191a875a553d6c93eddb73339228fa9c9364c3872b288cd935ec43ba9f965a4efaaa4de2893f57b447bf9f7bc90d5

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

1344 test.exe
1120 test.exe
3884 test.exe

pid	process
1344	test.exe
1120	test.exe
3884	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/620-117-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/620-121-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3884-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3884-153-0x0000000000400000-0x00000000004B7000-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:

cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exetest.exe

description	pid	process	target process
PID 3636 set thread context of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 1344 set thread context of 1120	1344	test.exe	test.exe
PID 1344 set thread context of 3884	1344	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	3884	test.exe
Token: SeSecurityPrivilege	3884	test.exe
Token: SeTakeOwnershipPrivilege	3884	test.exe
Token: SeLoadDriverPrivilege	3884	test.exe
Token: SeSystemProfilePrivilege	3884	test.exe
Token: SeSystemtimePrivilege	3884	test.exe
Token: SeProfSingleProcessPrivilege	3884	test.exe
Token: SeIncBasePriorityPrivilege	3884	test.exe
Token: SeCreatePagefilePrivilege	3884	test.exe
Token: SeBackupPrivilege	3884	test.exe
Token: SeRestorePrivilege	3884	test.exe
Token: SeShutdownPrivilege	3884	test.exe
Token: SeDebugPrivilege	3884	test.exe
Token: SeSystemEnvironmentPrivilege	3884	test.exe
Token: SeChangeNotifyPrivilege	3884	test.exe
Token: SeRemoteShutdownPrivilege	3884	test.exe
Token: SeUndockPrivilege	3884	test.exe
Token: SeManageVolumePrivilege	3884	test.exe
Token: SeImpersonatePrivilege	3884	test.exe
Token: SeCreateGlobalPrivilege	3884	test.exe
Token: 33	3884	test.exe
Token: 34	3884	test.exe
Token: 35	3884	test.exe
Token: 36	3884	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe
Token: SeDebugPrivilege	1120	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.execf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exetest.exetest.exe

pid	process
3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
1344	test.exe
1120	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.execf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.execmd.exetest.exe

description	pid	process	target process
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 3636 wrote to memory of 620	3636	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
PID 620 wrote to memory of 3372	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cmd.exe
PID 620 wrote to memory of 3372	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cmd.exe
PID 620 wrote to memory of 3372	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	cmd.exe
PID 3372 wrote to memory of 3572	3372	cmd.exe	reg.exe
PID 3372 wrote to memory of 3572	3372	cmd.exe	reg.exe
PID 3372 wrote to memory of 3572	3372	cmd.exe	reg.exe
PID 620 wrote to memory of 1344	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	test.exe
PID 620 wrote to memory of 1344	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	test.exe
PID 620 wrote to memory of 1344	620	cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 1120	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe
PID 1344 wrote to memory of 3884	1344	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
"C:\Users\Admin\AppData\Local\Temp\cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3636

C:\Users\Admin\AppData\Local\Temp\cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe
"C:\Users\Admin\AppData\Local\Temp\cf9e19205571c0dc595854b01d2292939517f469e19f28724a5db8c3f728b608.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:620

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\REBQY.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3372

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:3572

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:1344

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:1120

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:3884

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

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Downloads

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

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
c909e235482b5e3bbb2b994d7fcd7bed

SHA1
5fe60cae8bddaefd5860a18dcd7dc7a741ca473d

SHA256
a34db3803c0db7d5a780ae0ad7959d627f1ce0b72c1864a41c971f70036ad781

SHA512
0cc5489eee6aa264161511e23ba1397288da699b32b22f247f9cf25f5c0da61c7d9a3501d6128131cdf2d3aa2e4c559506e1062ac76c9612983a0306ac59baec

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
c909e235482b5e3bbb2b994d7fcd7bed

SHA1
5fe60cae8bddaefd5860a18dcd7dc7a741ca473d

SHA256
a34db3803c0db7d5a780ae0ad7959d627f1ce0b72c1864a41c971f70036ad781

SHA512
0cc5489eee6aa264161511e23ba1397288da699b32b22f247f9cf25f5c0da61c7d9a3501d6128131cdf2d3aa2e4c559506e1062ac76c9612983a0306ac59baec

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
c909e235482b5e3bbb2b994d7fcd7bed

SHA1
5fe60cae8bddaefd5860a18dcd7dc7a741ca473d

SHA256
a34db3803c0db7d5a780ae0ad7959d627f1ce0b72c1864a41c971f70036ad781

SHA512
0cc5489eee6aa264161511e23ba1397288da699b32b22f247f9cf25f5c0da61c7d9a3501d6128131cdf2d3aa2e4c559506e1062ac76c9612983a0306ac59baec

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
c909e235482b5e3bbb2b994d7fcd7bed

SHA1
5fe60cae8bddaefd5860a18dcd7dc7a741ca473d

SHA256
a34db3803c0db7d5a780ae0ad7959d627f1ce0b72c1864a41c971f70036ad781

SHA512
0cc5489eee6aa264161511e23ba1397288da699b32b22f247f9cf25f5c0da61c7d9a3501d6128131cdf2d3aa2e4c559506e1062ac76c9612983a0306ac59baec

Download Submit
memory/620-121-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/620-117-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/620-118-0x00000000004085D0-mapping.dmp

Download
memory/1120-138-0x00000000004085D0-mapping.dmp

Download
memory/1344-131-0x0000000000000000-mapping.dmp

Download
memory/3372-128-0x0000000000000000-mapping.dmp

Download
memory/3572-130-0x0000000000000000-mapping.dmp

Download
memory/3636-120-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/3636-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/3636-122-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/3636-119-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/3636-127-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/3636-126-0x0000000002A10000-0x0000000002A11000-memory.dmp

Filesize
4KB

Download
memory/3636-124-0x0000000002A00000-0x0000000002A01000-memory.dmp

Filesize
4KB

Download
memory/3884-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3884-141-0x00000000004B5640-mapping.dmp

Download
memory/3884-153-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3884-154-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads