darkcomet | d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc

General

Target

d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
Size

521KB
MD5

395fa99254a783e8592dcecdaa465140
SHA1

587f1cc23c522eb2d0be6ab62a03bdd23df423a3
SHA256

d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc
SHA512

3095d3f673ffcaf69193189ebc159bccce4e0ed1a3d8188d5424ed0251bcf95ac3d7a9555e84dbcb52de37f234f568764737da2dab7f5ea56dbd9a553b95a235

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 4684 created 2164 4684 WerFault.exe ipconfig.exe
Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid process

4584 winupd.exe
4456 winupd.exe
3172 winupd.exe

description	pid	process	target process
PID 4684 created 2164	4684	WerFault.exe	ipconfig.exe

pid	process
4584	winupd.exe
4456	winupd.exe
3172	winupd.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3172-133-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3172-139-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

Processes:

d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exewinupd.exe

description	pid	process	target process
PID 4736 set thread context of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4584 set thread context of 4456	4584	winupd.exe	winupd.exe
PID 4584 set thread context of 3172	4584	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

4684 2164 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

2164 ipconfig.exe

pid	pid_target	process	target process
4684	2164	WerFault.exe	ipconfig.exe

pid	process
2164	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

WerFault.exe

pid	process
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe
4684	WerFault.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

winupd.exeWerFault.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3172	winupd.exe
Token: SeSecurityPrivilege	3172	winupd.exe
Token: SeTakeOwnershipPrivilege	3172	winupd.exe
Token: SeLoadDriverPrivilege	3172	winupd.exe
Token: SeSystemProfilePrivilege	3172	winupd.exe
Token: SeSystemtimePrivilege	3172	winupd.exe
Token: SeProfSingleProcessPrivilege	3172	winupd.exe
Token: SeIncBasePriorityPrivilege	3172	winupd.exe
Token: SeCreatePagefilePrivilege	3172	winupd.exe
Token: SeBackupPrivilege	3172	winupd.exe
Token: SeRestorePrivilege	3172	winupd.exe
Token: SeShutdownPrivilege	3172	winupd.exe
Token: SeDebugPrivilege	3172	winupd.exe
Token: SeSystemEnvironmentPrivilege	3172	winupd.exe
Token: SeChangeNotifyPrivilege	3172	winupd.exe
Token: SeRemoteShutdownPrivilege	3172	winupd.exe
Token: SeUndockPrivilege	3172	winupd.exe
Token: SeManageVolumePrivilege	3172	winupd.exe
Token: SeImpersonatePrivilege	3172	winupd.exe
Token: SeCreateGlobalPrivilege	3172	winupd.exe
Token: 33	3172	winupd.exe
Token: 34	3172	winupd.exe
Token: 35	3172	winupd.exe
Token: 36	3172	winupd.exe
Token: SeRestorePrivilege	4684	WerFault.exe
Token: SeBackupPrivilege	4684	WerFault.exe
Token: SeDebugPrivilege	4684	WerFault.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exed33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exewinupd.exewinupd.exewinupd.exe

pid	process
4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
1612	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
4584	winupd.exe
4456	winupd.exe
3172	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exed33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exewinupd.exewinupd.exe

description	pid	process	target process
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 4736 wrote to memory of 1612	4736	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
PID 1612 wrote to memory of 4584	1612	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	winupd.exe
PID 1612 wrote to memory of 4584	1612	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	winupd.exe
PID 1612 wrote to memory of 4584	1612	d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 4456	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4584 wrote to memory of 3172	4584	winupd.exe	winupd.exe
PID 4456 wrote to memory of 2164	4456	winupd.exe	ipconfig.exe
PID 4456 wrote to memory of 2164	4456	winupd.exe	ipconfig.exe
PID 4456 wrote to memory of 2164	4456	winupd.exe	ipconfig.exe
PID 4456 wrote to memory of 2164	4456	winupd.exe	ipconfig.exe
PID 4456 wrote to memory of 2164	4456	winupd.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
"C:\Users\Admin\AppData\Local\Temp\d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4736

C:\Users\Admin\AppData\Local\Temp\d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe
"C:\Users\Admin\AppData\Local\Temp\d33390c1548497b6fad0f78111db2acf578ee41531336611c0b6cc6611a9cebc.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612

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:4584

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:4456

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\system32\ipconfig.exe"
5⤵
- Gathers network information
PID:2164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 256
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684

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:3172

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
ba02c9938dd1324ae3e1b4dda7592c9f

SHA1
3e970295f1b191bbac372770862f92607f5feebd

SHA256
d034aaa4a24bd5068bae6cb2cfe77238af90453ae33cddfbb1532e4e34ccbcda

SHA512
70529f6a98f22c71540e6d64085b28f8e36f8ae55984320d48ef44232c0d72de3f4280174fdd7d960ba3409966ab4d20843d223efeb38110d79e0ae775c585fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
ba02c9938dd1324ae3e1b4dda7592c9f

SHA1
3e970295f1b191bbac372770862f92607f5feebd

SHA256
d034aaa4a24bd5068bae6cb2cfe77238af90453ae33cddfbb1532e4e34ccbcda

SHA512
70529f6a98f22c71540e6d64085b28f8e36f8ae55984320d48ef44232c0d72de3f4280174fdd7d960ba3409966ab4d20843d223efeb38110d79e0ae775c585fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
ba02c9938dd1324ae3e1b4dda7592c9f

SHA1
3e970295f1b191bbac372770862f92607f5feebd

SHA256
d034aaa4a24bd5068bae6cb2cfe77238af90453ae33cddfbb1532e4e34ccbcda

SHA512
70529f6a98f22c71540e6d64085b28f8e36f8ae55984320d48ef44232c0d72de3f4280174fdd7d960ba3409966ab4d20843d223efeb38110d79e0ae775c585fa

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
ba02c9938dd1324ae3e1b4dda7592c9f

SHA1
3e970295f1b191bbac372770862f92607f5feebd

SHA256
d034aaa4a24bd5068bae6cb2cfe77238af90453ae33cddfbb1532e4e34ccbcda

SHA512
70529f6a98f22c71540e6d64085b28f8e36f8ae55984320d48ef44232c0d72de3f4280174fdd7d960ba3409966ab4d20843d223efeb38110d79e0ae775c585fa

Download Submit
memory/1612-118-0x000000000040140C-mapping.dmp

Download
memory/1612-117-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1612-124-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2164-138-0x0000000000000000-mapping.dmp

Download
memory/3172-134-0x00000000004B5670-mapping.dmp

Download
memory/3172-133-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3172-139-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3172-140-0x0000000000560000-0x000000000060E000-memory.dmp

Filesize
696KB

Download
memory/4456-131-0x000000000040140C-mapping.dmp

Download
memory/4584-125-0x0000000000000000-mapping.dmp

Download
memory/4736-123-0x0000000002FC0000-0x0000000002FC2000-memory.dmp

Filesize
8KB

Download
memory/4736-121-0x00000000020F0000-0x00000000020F2000-memory.dmp

Filesize
8KB

Download
memory/4736-122-0x0000000002240000-0x0000000002242000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads