darkcomet | d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab

General

Target

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Size

659KB
MD5

5bfa0be4efc7ffb3b6e2cd63b78fbb5b
SHA1

92031a89f86535db2085ed43dd8034e905169c6f
SHA256

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab
SHA512

f797d3be2e3f99a621be6a0dcc0e4e1cb0bb3263192feae27828b5adf234e350d7adf84f383ef2adb6ccccce0a95a0f6e9a93601a57a48e5f35aed5f218f7130

Score

10^/10

darkcomet evasion persistence rat trojan

Malware Config

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:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\aE8nfjsgA5tn\\Java/exe"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Disables RegEdit via registry modification
evasion
Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\aE8nfjsgA5tn\\Java/exe"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.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:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

pid process

1556 d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

pid	process
1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeSecurityPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeTakeOwnershipPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeLoadDriverPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeSystemProfilePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeSystemtimePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeProfSingleProcessPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeIncBasePriorityPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeCreatePagefilePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeBackupPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeRestorePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeShutdownPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeDebugPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeSystemEnvironmentPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeChangeNotifyPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeRemoteShutdownPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeUndockPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeManageVolumePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeImpersonatePrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: SeCreateGlobalPrivilege	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: 33	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: 34	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Token: 35	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

pid process

1556 d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

pid	process
1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.execmd.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 1828	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1828	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1828	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1828	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1704	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1704	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1704	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1556 wrote to memory of 1704	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	cmd.exe
PID 1704 wrote to memory of 1824	1704	cmd.exe	attrib.exe
PID 1828 wrote to memory of 776	1828	cmd.exe	attrib.exe
PID 1704 wrote to memory of 1824	1704	cmd.exe	attrib.exe
PID 1828 wrote to memory of 776	1828	cmd.exe	attrib.exe
PID 1704 wrote to memory of 1824	1704	cmd.exe	attrib.exe
PID 1828 wrote to memory of 776	1828	cmd.exe	attrib.exe
PID 1704 wrote to memory of 1824	1704	cmd.exe	attrib.exe
PID 1828 wrote to memory of 776	1828	cmd.exe	attrib.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe
PID 1556 wrote to memory of 1652	1556	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe	notepad.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1824 attrib.exe
776 attrib.exe

pid	process
1824	attrib.exe
776	attrib.exe

C:\Users\Admin\AppData\Local\Temp\d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe
"C:\Users\Admin\AppData\Local\Temp\d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- Windows security modification
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1556

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1828

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\d35485fe44100a4643b22dc9ccaf443a4e98890710ee52701147e2144cf164ab.exe" +s +h
3⤵
- Views/modifies file attributes
PID:776

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:1704

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Views/modifies file attributes
PID:1824

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

2

T1031

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

7

T1112

Disabling Security Tools

2

T1089

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/776-64-0x0000000000000000-mapping.dmp

Download
memory/1556-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1556-60-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1652-65-0x0000000000000000-mapping.dmp

Download
memory/1652-67-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1704-62-0x0000000000000000-mapping.dmp

Download
memory/1824-63-0x0000000000000000-mapping.dmp

Download
memory/1828-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads