darkcomet | a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf

General

Target

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
Size

520KB
MD5

452b72638cf014d97a9b5a219e4685f9
SHA1

df7b8e92163dfe5bcfd1f1f8ea832d5c655d457c
SHA256

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf
SHA512

a30e2cb3bbe1138bf148dcca0187c366f60b064115820b5848f2f177aafbfd97cc3ed2d301ff3dd53001e46337b97595f7df6a014aa3c3ebc69628f22d03623f

Score

10^/10

darkcomet rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1156 created 4036 1156 WerFault.exe ipconfig.exe
Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid process

3940 winupd.exe
3004 winupd.exe
512 winupd.exe

description	pid	process	target process
PID 1156 created 4036	1156	WerFault.exe	ipconfig.exe

pid	process
3940	winupd.exe
3004	winupd.exe
512	winupd.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/512-132-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/512-138-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exe

description	pid	process	target process
PID 860 set thread context of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3940 set thread context of 3004	3940	winupd.exe	winupd.exe
PID 3940 set thread context of 512	3940	winupd.exe	winupd.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1156 4036 WerFault.exe ipconfig.exe
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

4036 ipconfig.exe

pid	pid_target	process	target process
1156	4036	WerFault.exe	ipconfig.exe

pid	process
4036	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe
1156	WerFault.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

winupd.exeWerFault.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	512	winupd.exe
Token: SeSecurityPrivilege	512	winupd.exe
Token: SeTakeOwnershipPrivilege	512	winupd.exe
Token: SeLoadDriverPrivilege	512	winupd.exe
Token: SeSystemProfilePrivilege	512	winupd.exe
Token: SeSystemtimePrivilege	512	winupd.exe
Token: SeProfSingleProcessPrivilege	512	winupd.exe
Token: SeIncBasePriorityPrivilege	512	winupd.exe
Token: SeCreatePagefilePrivilege	512	winupd.exe
Token: SeBackupPrivilege	512	winupd.exe
Token: SeRestorePrivilege	512	winupd.exe
Token: SeShutdownPrivilege	512	winupd.exe
Token: SeDebugPrivilege	512	winupd.exe
Token: SeSystemEnvironmentPrivilege	512	winupd.exe
Token: SeChangeNotifyPrivilege	512	winupd.exe
Token: SeRemoteShutdownPrivilege	512	winupd.exe
Token: SeUndockPrivilege	512	winupd.exe
Token: SeManageVolumePrivilege	512	winupd.exe
Token: SeImpersonatePrivilege	512	winupd.exe
Token: SeCreateGlobalPrivilege	512	winupd.exe
Token: 33	512	winupd.exe
Token: 34	512	winupd.exe
Token: 35	512	winupd.exe
Token: 36	512	winupd.exe
Token: SeRestorePrivilege	1156	WerFault.exe
Token: SeBackupPrivilege	1156	WerFault.exe
Token: SeDebugPrivilege	1156	WerFault.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exea7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exewinupd.exewinupd.exe

pid	process
860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
3176	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
3940	winupd.exe
3004	winupd.exe
512	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exea7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exewinupd.exe

description	pid	process	target process
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 860 wrote to memory of 3176	860	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3176 wrote to memory of 3940	3176	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3176 wrote to memory of 3940	3176	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3176 wrote to memory of 3940	3176	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 3004	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3940 wrote to memory of 512	3940	winupd.exe	winupd.exe
PID 3004 wrote to memory of 4036	3004	winupd.exe	ipconfig.exe
PID 3004 wrote to memory of 4036	3004	winupd.exe	ipconfig.exe
PID 3004 wrote to memory of 4036	3004	winupd.exe	ipconfig.exe
PID 3004 wrote to memory of 4036	3004	winupd.exe	ipconfig.exe
PID 3004 wrote to memory of 4036	3004	winupd.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
"C:\Users\Admin\AppData\Local\Temp\a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:860

C:\Users\Admin\AppData\Local\Temp\a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
"C:\Users\Admin\AppData\Local\Temp\a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\system32\ipconfig.exe"
5⤵
- Gathers network information
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 256
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1156

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:512

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
198d4a0108a5fc1e5a16c10746dd75dc

SHA1
997037c6ed2f43b809ecc10d166a393c822d89b8

SHA256
fb292ed96fc6df729ed6a604954bc8a83e79c5990fb00f59dc1e52886eefeae3

SHA512
3f34f576b128e702e92da40d8d8aff667e6040bd95d82b25fccff3b5a3efea58c01f387cd3c4c23fab1908da2f1287b21b3c7ab7c5af0e1fe6d1f83e4c4284c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
198d4a0108a5fc1e5a16c10746dd75dc

SHA1
997037c6ed2f43b809ecc10d166a393c822d89b8

SHA256
fb292ed96fc6df729ed6a604954bc8a83e79c5990fb00f59dc1e52886eefeae3

SHA512
3f34f576b128e702e92da40d8d8aff667e6040bd95d82b25fccff3b5a3efea58c01f387cd3c4c23fab1908da2f1287b21b3c7ab7c5af0e1fe6d1f83e4c4284c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
198d4a0108a5fc1e5a16c10746dd75dc

SHA1
997037c6ed2f43b809ecc10d166a393c822d89b8

SHA256
fb292ed96fc6df729ed6a604954bc8a83e79c5990fb00f59dc1e52886eefeae3

SHA512
3f34f576b128e702e92da40d8d8aff667e6040bd95d82b25fccff3b5a3efea58c01f387cd3c4c23fab1908da2f1287b21b3c7ab7c5af0e1fe6d1f83e4c4284c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
198d4a0108a5fc1e5a16c10746dd75dc

SHA1
997037c6ed2f43b809ecc10d166a393c822d89b8

SHA256
fb292ed96fc6df729ed6a604954bc8a83e79c5990fb00f59dc1e52886eefeae3

SHA512
3f34f576b128e702e92da40d8d8aff667e6040bd95d82b25fccff3b5a3efea58c01f387cd3c4c23fab1908da2f1287b21b3c7ab7c5af0e1fe6d1f83e4c4284c1

Download Submit
memory/512-133-0x00000000004B5670-mapping.dmp

Download
memory/512-139-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/512-138-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/512-132-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/860-127-0x0000000000810000-0x0000000000812000-memory.dmp

Filesize
8KB

Download
memory/860-126-0x0000000000800000-0x0000000000802000-memory.dmp

Filesize
8KB

Download
memory/860-125-0x0000000000630000-0x0000000000632000-memory.dmp

Filesize
8KB

Download
memory/3004-130-0x000000000040140C-mapping.dmp

Download
memory/3176-116-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3176-117-0x000000000040140C-mapping.dmp

Download
memory/3176-128-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3940-120-0x0000000000000000-mapping.dmp

Download
memory/4036-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads