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 3728 created 428 3728 WerFault.exe ipconfig.exe
Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid process

3008 winupd.exe
3144 winupd.exe
3148 winupd.exe

description	pid	process	target process
PID 3728 created 428	3728	WerFault.exe	ipconfig.exe

pid	process
3008	winupd.exe
3144	winupd.exe
3148	winupd.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3148-132-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3148-138-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exe

description	pid	process	target process
PID 3728 set thread context of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3008 set thread context of 3144	3008	winupd.exe	winupd.exe
PID 3008 set thread context of 3148	3008	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

3728 428 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

428 ipconfig.exe

pid	pid_target	process	target process
3728	428	WerFault.exe	ipconfig.exe

pid	process
428	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe
3728	WerFault.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

winupd.exeWerFault.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3148	winupd.exe
Token: SeSecurityPrivilege	3148	winupd.exe
Token: SeTakeOwnershipPrivilege	3148	winupd.exe
Token: SeLoadDriverPrivilege	3148	winupd.exe
Token: SeSystemProfilePrivilege	3148	winupd.exe
Token: SeSystemtimePrivilege	3148	winupd.exe
Token: SeProfSingleProcessPrivilege	3148	winupd.exe
Token: SeIncBasePriorityPrivilege	3148	winupd.exe
Token: SeCreatePagefilePrivilege	3148	winupd.exe
Token: SeBackupPrivilege	3148	winupd.exe
Token: SeRestorePrivilege	3148	winupd.exe
Token: SeShutdownPrivilege	3148	winupd.exe
Token: SeDebugPrivilege	3148	winupd.exe
Token: SeSystemEnvironmentPrivilege	3148	winupd.exe
Token: SeChangeNotifyPrivilege	3148	winupd.exe
Token: SeRemoteShutdownPrivilege	3148	winupd.exe
Token: SeUndockPrivilege	3148	winupd.exe
Token: SeManageVolumePrivilege	3148	winupd.exe
Token: SeImpersonatePrivilege	3148	winupd.exe
Token: SeCreateGlobalPrivilege	3148	winupd.exe
Token: 33	3148	winupd.exe
Token: 34	3148	winupd.exe
Token: 35	3148	winupd.exe
Token: 36	3148	winupd.exe
Token: SeRestorePrivilege	3728	WerFault.exe
Token: SeBackupPrivilege	3728	WerFault.exe
Token: SeDebugPrivilege	3728	WerFault.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exea7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exewinupd.exewinupd.exe

pid	process
3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
3948	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
3008	winupd.exe
3144	winupd.exe
3148	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exea7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exewinupd.exewinupd.exe

description	pid	process	target process
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3728 wrote to memory of 3948	3728	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe
PID 3948 wrote to memory of 3008	3948	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3948 wrote to memory of 3008	3948	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3948 wrote to memory of 3008	3948	a7c4aae68e13b16ed7d916ba7cde189381e597934b05a26d113a97c8ae8afdbf.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3144	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3008 wrote to memory of 3148	3008	winupd.exe	winupd.exe
PID 3144 wrote to memory of 428	3144	winupd.exe	ipconfig.exe
PID 3144 wrote to memory of 428	3144	winupd.exe	ipconfig.exe
PID 3144 wrote to memory of 428	3144	winupd.exe	ipconfig.exe
PID 3144 wrote to memory of 428	3144	winupd.exe	ipconfig.exe
PID 3144 wrote to memory of 428	3144	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:3728

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:3948

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:3008

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:3144

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\system32\ipconfig.exe"
5⤵
- Gathers network information
PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 256
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3728

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:3148

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
e3d1cb66ae27bd1944479c40b7e629eb

SHA1
4b6f530fe419045bd3e617dd8aa4012f9a9c7c24

SHA256
656188d3466000b361eac335922a2b6282757f3e454f48c8eb81cedbc64ab1a2

SHA512
24201f2fb706cc9e2929a103448114bb82000dee8a8566ebb032dae929fb672da88e03c16bae49e326164ceaff3a672217262e68a9c024b54a94a24b97827552

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
e3d1cb66ae27bd1944479c40b7e629eb

SHA1
4b6f530fe419045bd3e617dd8aa4012f9a9c7c24

SHA256
656188d3466000b361eac335922a2b6282757f3e454f48c8eb81cedbc64ab1a2

SHA512
24201f2fb706cc9e2929a103448114bb82000dee8a8566ebb032dae929fb672da88e03c16bae49e326164ceaff3a672217262e68a9c024b54a94a24b97827552

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
e3d1cb66ae27bd1944479c40b7e629eb

SHA1
4b6f530fe419045bd3e617dd8aa4012f9a9c7c24

SHA256
656188d3466000b361eac335922a2b6282757f3e454f48c8eb81cedbc64ab1a2

SHA512
24201f2fb706cc9e2929a103448114bb82000dee8a8566ebb032dae929fb672da88e03c16bae49e326164ceaff3a672217262e68a9c024b54a94a24b97827552

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
e3d1cb66ae27bd1944479c40b7e629eb

SHA1
4b6f530fe419045bd3e617dd8aa4012f9a9c7c24

SHA256
656188d3466000b361eac335922a2b6282757f3e454f48c8eb81cedbc64ab1a2

SHA512
24201f2fb706cc9e2929a103448114bb82000dee8a8566ebb032dae929fb672da88e03c16bae49e326164ceaff3a672217262e68a9c024b54a94a24b97827552

Download Submit
memory/428-137-0x0000000000000000-mapping.dmp

Download
memory/3008-124-0x0000000000000000-mapping.dmp

Download
memory/3144-130-0x000000000040140C-mapping.dmp

Download
memory/3148-133-0x00000000004B5670-mapping.dmp

Download
memory/3148-132-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3148-138-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3148-139-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/3728-121-0x00000000022A0000-0x00000000022A2000-memory.dmp

Filesize
8KB

Download
memory/3728-120-0x0000000000770000-0x0000000000772000-memory.dmp

Filesize
8KB

Download
memory/3728-122-0x00000000022C0000-0x00000000022C2000-memory.dmp

Filesize
8KB

Download
memory/3948-123-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3948-116-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3948-117-0x000000000040140C-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads