darkcomet | 7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224

General

Target

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Size

658KB
MD5

6d2af3af93fbb8e1fd8cbfde6fb810c0
SHA1

aa0574609abf1acd8a7e27396548f32e6aac52d7
SHA256

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224
SHA512

08feaec307d69c4ef91b91a50c54a0dd8ffde4e12e48681565d7999e82c9d9ceb155ca853d34ffe9a8a8f76c8f5aa9e92c534a476cceb5de060fd08de434e354
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hM:KZ1xuVVjfFoynPaVBUR8f+kN10EBe

Score

10^/10

darkcomet hacked evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Hacked

C2

127.0.0.1:1996

Mutex

EXMDUUZQTE

Attributes

InstallPath
IntelUpdate\Intel.exe
gencode
gvuUE7r66tTs
install
true
offline_keylogger
true
persistence
false
reg_key
IntelUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\IntelUpdate\\Intel.exe"	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

Executes dropped EXE 1 IoCs

Processes:

Intel.exe

pid process

580 Intel.exe
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

684 attrib.exe
316 attrib.exe
Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

1704 notepad.exe

pid	process
580	Intel.exe

pid	process
684	attrib.exe
316	attrib.exe

pid	process
1704	notepad.exe

Loads dropped DLL 2 IoCs

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

pid	process
1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\IntelUpdate = "C:\\Windows\\IntelUpdate\\Intel.exe"	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

Drops file in Windows directory 3 IoCs

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

description	ioc	process
File created	C:\Windows\IntelUpdate\Intel.exe	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
File opened for modification	C:\Windows\IntelUpdate\Intel.exe	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
File opened for modification	C:\Windows\IntelUpdate\	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Intel.exe

pid process

580 Intel.exe

pid	process
580	Intel.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exeIntel.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeSecurityPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeTakeOwnershipPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeLoadDriverPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeSystemProfilePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeSystemtimePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeProfSingleProcessPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeIncBasePriorityPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeCreatePagefilePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeBackupPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeRestorePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeShutdownPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeDebugPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeSystemEnvironmentPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeChangeNotifyPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeRemoteShutdownPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeUndockPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeManageVolumePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeImpersonatePrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeCreateGlobalPrivilege	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: 33	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: 34	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: 35	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
Token: SeIncreaseQuotaPrivilege	580	Intel.exe
Token: SeSecurityPrivilege	580	Intel.exe
Token: SeTakeOwnershipPrivilege	580	Intel.exe
Token: SeLoadDriverPrivilege	580	Intel.exe
Token: SeSystemProfilePrivilege	580	Intel.exe
Token: SeSystemtimePrivilege	580	Intel.exe
Token: SeProfSingleProcessPrivilege	580	Intel.exe
Token: SeIncBasePriorityPrivilege	580	Intel.exe
Token: SeCreatePagefilePrivilege	580	Intel.exe
Token: SeBackupPrivilege	580	Intel.exe
Token: SeRestorePrivilege	580	Intel.exe
Token: SeShutdownPrivilege	580	Intel.exe
Token: SeDebugPrivilege	580	Intel.exe
Token: SeSystemEnvironmentPrivilege	580	Intel.exe
Token: SeChangeNotifyPrivilege	580	Intel.exe
Token: SeRemoteShutdownPrivilege	580	Intel.exe
Token: SeUndockPrivilege	580	Intel.exe
Token: SeManageVolumePrivilege	580	Intel.exe
Token: SeImpersonatePrivilege	580	Intel.exe
Token: SeCreateGlobalPrivilege	580	Intel.exe
Token: 33	580	Intel.exe
Token: 34	580	Intel.exe
Token: 35	580	Intel.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Intel.exe

pid process

580 Intel.exe

pid	process
580	Intel.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.execmd.execmd.exeIntel.exe

description	pid	process	target process
PID 1416 wrote to memory of 1788	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 1788	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 1788	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 1788	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 2032	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	cmd.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1416 wrote to memory of 1704	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	notepad.exe
PID 1788 wrote to memory of 316	1788	cmd.exe	attrib.exe
PID 1788 wrote to memory of 316	1788	cmd.exe	attrib.exe
PID 1788 wrote to memory of 316	1788	cmd.exe	attrib.exe
PID 1788 wrote to memory of 316	1788	cmd.exe	attrib.exe
PID 2032 wrote to memory of 684	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 684	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 684	2032	cmd.exe	attrib.exe
PID 2032 wrote to memory of 684	2032	cmd.exe	attrib.exe
PID 1416 wrote to memory of 580	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	Intel.exe
PID 1416 wrote to memory of 580	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	Intel.exe
PID 1416 wrote to memory of 580	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	Intel.exe
PID 1416 wrote to memory of 580	1416	7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe	Intel.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe
PID 580 wrote to memory of 1776	580	Intel.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

316 attrib.exe
684 attrib.exe

pid	process
316	attrib.exe
684	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe
"C:\Users\Admin\AppData\Local\Temp\7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:316

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:684

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Deletes itself
PID:1704

C:\Windows\IntelUpdate\Intel.exe
"C:\Windows\IntelUpdate\Intel.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\IntelUpdate\Intel.exe
Filesize
658KB

MD5
6d2af3af93fbb8e1fd8cbfde6fb810c0

SHA1
aa0574609abf1acd8a7e27396548f32e6aac52d7

SHA256
7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224

SHA512
08feaec307d69c4ef91b91a50c54a0dd8ffde4e12e48681565d7999e82c9d9ceb155ca853d34ffe9a8a8f76c8f5aa9e92c534a476cceb5de060fd08de434e354

Download Submit
C:\Windows\IntelUpdate\Intel.exe
Filesize
658KB

MD5
6d2af3af93fbb8e1fd8cbfde6fb810c0

SHA1
aa0574609abf1acd8a7e27396548f32e6aac52d7

SHA256
7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224

SHA512
08feaec307d69c4ef91b91a50c54a0dd8ffde4e12e48681565d7999e82c9d9ceb155ca853d34ffe9a8a8f76c8f5aa9e92c534a476cceb5de060fd08de434e354

Download Submit
\Windows\IntelUpdate\Intel.exe
Filesize
658KB

MD5
6d2af3af93fbb8e1fd8cbfde6fb810c0

SHA1
aa0574609abf1acd8a7e27396548f32e6aac52d7

SHA256
7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224

SHA512
08feaec307d69c4ef91b91a50c54a0dd8ffde4e12e48681565d7999e82c9d9ceb155ca853d34ffe9a8a8f76c8f5aa9e92c534a476cceb5de060fd08de434e354

Download Submit
\Windows\IntelUpdate\Intel.exe
Filesize
658KB

MD5
6d2af3af93fbb8e1fd8cbfde6fb810c0

SHA1
aa0574609abf1acd8a7e27396548f32e6aac52d7

SHA256
7d434574ff84cb293111d4ba1b953faa36eb49d8a257539e80b755e3f8fc3224

SHA512
08feaec307d69c4ef91b91a50c54a0dd8ffde4e12e48681565d7999e82c9d9ceb155ca853d34ffe9a8a8f76c8f5aa9e92c534a476cceb5de060fd08de434e354

Download Submit
memory/316-58-0x0000000000000000-mapping.dmp

Download
memory/580-63-0x0000000000000000-mapping.dmp

Download
memory/684-60-0x0000000000000000-mapping.dmp

Download
memory/1416-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1704-57-0x0000000000000000-mapping.dmp

Download
memory/1776-67-0x0000000000000000-mapping.dmp

Download
memory/1788-55-0x0000000000000000-mapping.dmp

Download
memory/2032-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads