darkcomet | 345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2

General

Target

345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
Size

520KB
MD5

9dbffc041eb423abdbcc46e05d99899d
SHA1

9224ed9c8521441e787dd232e18e859c9d555e72
SHA256

345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2
SHA512

dc6d503da7c0f9ae66438fe8fd6edd83556109cdba643e050dbe51b0dd9aaf594e78eb7b97a7d3bf13a47ca7b12b7e2893bbca640365f93dd4288a13cebe8128

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 1136 created 3732 1136 WerFault.exe ipconfig.exe
Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid process

2744 winupd.exe
3132 winupd.exe
4052 winupd.exe

description	pid	process	target process
PID 1136 created 3732	1136	WerFault.exe	ipconfig.exe

pid	process
2744	winupd.exe
3132	winupd.exe
4052	winupd.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4052-133-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4052-139-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

Processes:

345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exewinupd.exe

description	pid	process	target process
PID 2300 set thread context of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2744 set thread context of 3132	2744	winupd.exe	winupd.exe
PID 2744 set thread context of 4052	2744	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

1136 3732 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

3732 ipconfig.exe

pid	pid_target	process	target process
1136	3732	WerFault.exe	ipconfig.exe

pid	process
3732	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe
1136	WerFault.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

winupd.exeWerFault.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4052	winupd.exe
Token: SeSecurityPrivilege	4052	winupd.exe
Token: SeTakeOwnershipPrivilege	4052	winupd.exe
Token: SeLoadDriverPrivilege	4052	winupd.exe
Token: SeSystemProfilePrivilege	4052	winupd.exe
Token: SeSystemtimePrivilege	4052	winupd.exe
Token: SeProfSingleProcessPrivilege	4052	winupd.exe
Token: SeIncBasePriorityPrivilege	4052	winupd.exe
Token: SeCreatePagefilePrivilege	4052	winupd.exe
Token: SeBackupPrivilege	4052	winupd.exe
Token: SeRestorePrivilege	4052	winupd.exe
Token: SeShutdownPrivilege	4052	winupd.exe
Token: SeDebugPrivilege	4052	winupd.exe
Token: SeSystemEnvironmentPrivilege	4052	winupd.exe
Token: SeChangeNotifyPrivilege	4052	winupd.exe
Token: SeRemoteShutdownPrivilege	4052	winupd.exe
Token: SeUndockPrivilege	4052	winupd.exe
Token: SeManageVolumePrivilege	4052	winupd.exe
Token: SeImpersonatePrivilege	4052	winupd.exe
Token: SeCreateGlobalPrivilege	4052	winupd.exe
Token: 33	4052	winupd.exe
Token: 34	4052	winupd.exe
Token: 35	4052	winupd.exe
Token: 36	4052	winupd.exe
Token: SeRestorePrivilege	1136	WerFault.exe
Token: SeBackupPrivilege	1136	WerFault.exe
Token: SeDebugPrivilege	1136	WerFault.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exewinupd.exewinupd.exewinupd.exe

pid	process
2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
2688	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
2744	winupd.exe
3132	winupd.exe
4052	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exewinupd.exewinupd.exe

description	pid	process	target process
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2300 wrote to memory of 2688	2300	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
PID 2688 wrote to memory of 2744	2688	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	winupd.exe
PID 2688 wrote to memory of 2744	2688	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	winupd.exe
PID 2688 wrote to memory of 2744	2688	345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 3132	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 2744 wrote to memory of 4052	2744	winupd.exe	winupd.exe
PID 3132 wrote to memory of 3732	3132	winupd.exe	ipconfig.exe
PID 3132 wrote to memory of 3732	3132	winupd.exe	ipconfig.exe
PID 3132 wrote to memory of 3732	3132	winupd.exe	ipconfig.exe
PID 3132 wrote to memory of 3732	3132	winupd.exe	ipconfig.exe
PID 3132 wrote to memory of 3732	3132	winupd.exe	ipconfig.exe

C:\Users\Admin\AppData\Local\Temp\345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
"C:\Users\Admin\AppData\Local\Temp\345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2300

C:\Users\Admin\AppData\Local\Temp\345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe
"C:\Users\Admin\AppData\Local\Temp\345415dbeda848892a070803785da5a40db03b7800cfa726bfbe7fed3c4136a2.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688

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:2744

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:3132

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\system32\ipconfig.exe"
5⤵
- Gathers network information
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 268
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136

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:4052

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
2ecda47adfb8ff3544a7aebe0fb7005c

SHA1
8f2ae2fa16adcca0d7798cf36c616e4d8ab49548

SHA256
a6ccbdd9fe3a6c7ac3061d95b1f876acd5332ac1c9df0c8375b3bd0db4b0e89e

SHA512
c70d4d1d4734db20aa7ffa62f430711c09125e7627078bb49ce2def7afee7f09893ada3c8518fa10c68cf8f5ff5cec7f292ab2fcbb442c3a0ae422d429e433fd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
2ecda47adfb8ff3544a7aebe0fb7005c

SHA1
8f2ae2fa16adcca0d7798cf36c616e4d8ab49548

SHA256
a6ccbdd9fe3a6c7ac3061d95b1f876acd5332ac1c9df0c8375b3bd0db4b0e89e

SHA512
c70d4d1d4734db20aa7ffa62f430711c09125e7627078bb49ce2def7afee7f09893ada3c8518fa10c68cf8f5ff5cec7f292ab2fcbb442c3a0ae422d429e433fd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
2ecda47adfb8ff3544a7aebe0fb7005c

SHA1
8f2ae2fa16adcca0d7798cf36c616e4d8ab49548

SHA256
a6ccbdd9fe3a6c7ac3061d95b1f876acd5332ac1c9df0c8375b3bd0db4b0e89e

SHA512
c70d4d1d4734db20aa7ffa62f430711c09125e7627078bb49ce2def7afee7f09893ada3c8518fa10c68cf8f5ff5cec7f292ab2fcbb442c3a0ae422d429e433fd

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
MD5
2ecda47adfb8ff3544a7aebe0fb7005c

SHA1
8f2ae2fa16adcca0d7798cf36c616e4d8ab49548

SHA256
a6ccbdd9fe3a6c7ac3061d95b1f876acd5332ac1c9df0c8375b3bd0db4b0e89e

SHA512
c70d4d1d4734db20aa7ffa62f430711c09125e7627078bb49ce2def7afee7f09893ada3c8518fa10c68cf8f5ff5cec7f292ab2fcbb442c3a0ae422d429e433fd

Download Submit
memory/2300-127-0x0000000002590000-0x0000000002592000-memory.dmp

Filesize
8KB

Download
memory/2300-128-0x00000000025A0000-0x00000000025A2000-memory.dmp

Filesize
8KB

Download
memory/2300-126-0x00000000023A0000-0x00000000023A2000-memory.dmp

Filesize
8KB

Download
memory/2688-117-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2688-129-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2688-118-0x000000000040140C-mapping.dmp

Download
memory/2744-121-0x0000000000000000-mapping.dmp

Download
memory/3132-131-0x000000000040140C-mapping.dmp

Download
memory/3732-138-0x0000000000000000-mapping.dmp

Download
memory/4052-134-0x00000000004B5670-mapping.dmp

Download
memory/4052-133-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4052-139-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4052-140-0x00000000007B0000-0x00000000007B1000-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