darkcomet | 222e2ddd2cd5cb4156b9d1845c833d644d8a62d367004a271f6ec290a8aa2fb3

General

Target

ZulaHax.exe
Size

659KB
MD5

949573ea355757e37f217798fd335478
SHA1

ba103d18dd84409cd2cba837ae64d42ec75613e7
SHA256

222e2ddd2cd5cb4156b9d1845c833d644d8a62d367004a271f6ec290a8aa2fb3
SHA512

ba7174bd8d6cb88066a7c18a1cd57b603680bfee9a94bf2ceca7a0784246f2e3a35f1856f91e3b9973f7a576cf8366fc3d10ee0268f80a3f077c174b4d2a2881

Score

10^/10

darkcomet sazan evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

sussysdfffdfff343.duckdns.org:1604

Mutex

DC_MUTEX-5BJ61CT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
hSQMSMbHss9o
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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:

ZulaHax.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ZulaHax.exe

Modifies firewall policy service 2 TTPs 6 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exeiexplore.exe

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

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

iexplore.exemsdcsc.exe

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

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

msdcsc.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1164 msdcsc.exe

pid	process
1164	msdcsc.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ZulaHax.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	ZulaHax.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ZulaHax.exemsdcsc.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ZulaHax.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

msdcsc.exe

description pid process target process

PID 1164 set thread context of 3160 1164 msdcsc.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

ZulaHax.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ ZulaHax.exe

description	pid	process	target process
PID 1164 set thread context of 3160	1164	msdcsc.exe	iexplore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	ZulaHax.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

ZulaHax.exemsdcsc.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4880	ZulaHax.exe
Token: SeSecurityPrivilege	4880	ZulaHax.exe
Token: SeTakeOwnershipPrivilege	4880	ZulaHax.exe
Token: SeLoadDriverPrivilege	4880	ZulaHax.exe
Token: SeSystemProfilePrivilege	4880	ZulaHax.exe
Token: SeSystemtimePrivilege	4880	ZulaHax.exe
Token: SeProfSingleProcessPrivilege	4880	ZulaHax.exe
Token: SeIncBasePriorityPrivilege	4880	ZulaHax.exe
Token: SeCreatePagefilePrivilege	4880	ZulaHax.exe
Token: SeBackupPrivilege	4880	ZulaHax.exe
Token: SeRestorePrivilege	4880	ZulaHax.exe
Token: SeShutdownPrivilege	4880	ZulaHax.exe
Token: SeDebugPrivilege	4880	ZulaHax.exe
Token: SeSystemEnvironmentPrivilege	4880	ZulaHax.exe
Token: SeChangeNotifyPrivilege	4880	ZulaHax.exe
Token: SeRemoteShutdownPrivilege	4880	ZulaHax.exe
Token: SeUndockPrivilege	4880	ZulaHax.exe
Token: SeManageVolumePrivilege	4880	ZulaHax.exe
Token: SeImpersonatePrivilege	4880	ZulaHax.exe
Token: SeCreateGlobalPrivilege	4880	ZulaHax.exe
Token: 33	4880	ZulaHax.exe
Token: 34	4880	ZulaHax.exe
Token: 35	4880	ZulaHax.exe
Token: 36	4880	ZulaHax.exe
Token: SeIncreaseQuotaPrivilege	1164	msdcsc.exe
Token: SeSecurityPrivilege	1164	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1164	msdcsc.exe
Token: SeLoadDriverPrivilege	1164	msdcsc.exe
Token: SeSystemProfilePrivilege	1164	msdcsc.exe
Token: SeSystemtimePrivilege	1164	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1164	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1164	msdcsc.exe
Token: SeCreatePagefilePrivilege	1164	msdcsc.exe
Token: SeBackupPrivilege	1164	msdcsc.exe
Token: SeRestorePrivilege	1164	msdcsc.exe
Token: SeShutdownPrivilege	1164	msdcsc.exe
Token: SeDebugPrivilege	1164	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1164	msdcsc.exe
Token: SeChangeNotifyPrivilege	1164	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1164	msdcsc.exe
Token: SeUndockPrivilege	1164	msdcsc.exe
Token: SeManageVolumePrivilege	1164	msdcsc.exe
Token: SeImpersonatePrivilege	1164	msdcsc.exe
Token: SeCreateGlobalPrivilege	1164	msdcsc.exe
Token: 33	1164	msdcsc.exe
Token: 34	1164	msdcsc.exe
Token: 35	1164	msdcsc.exe
Token: 36	1164	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	3160	iexplore.exe
Token: SeSecurityPrivilege	3160	iexplore.exe
Token: SeTakeOwnershipPrivilege	3160	iexplore.exe
Token: SeLoadDriverPrivilege	3160	iexplore.exe
Token: SeSystemProfilePrivilege	3160	iexplore.exe
Token: SeSystemtimePrivilege	3160	iexplore.exe
Token: SeProfSingleProcessPrivilege	3160	iexplore.exe
Token: SeIncBasePriorityPrivilege	3160	iexplore.exe
Token: SeCreatePagefilePrivilege	3160	iexplore.exe
Token: SeBackupPrivilege	3160	iexplore.exe
Token: SeRestorePrivilege	3160	iexplore.exe
Token: SeShutdownPrivilege	3160	iexplore.exe
Token: SeDebugPrivilege	3160	iexplore.exe
Token: SeSystemEnvironmentPrivilege	3160	iexplore.exe
Token: SeChangeNotifyPrivilege	3160	iexplore.exe
Token: SeRemoteShutdownPrivilege	3160	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

3160 iexplore.exe

pid	process
3160	iexplore.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ZulaHax.exemsdcsc.exeiexplore.exe

description	pid	process	target process
PID 4880 wrote to memory of 1164	4880	ZulaHax.exe	msdcsc.exe
PID 4880 wrote to memory of 1164	4880	ZulaHax.exe	msdcsc.exe
PID 4880 wrote to memory of 1164	4880	ZulaHax.exe	msdcsc.exe
PID 1164 wrote to memory of 3160	1164	msdcsc.exe	iexplore.exe
PID 1164 wrote to memory of 3160	1164	msdcsc.exe	iexplore.exe
PID 1164 wrote to memory of 3160	1164	msdcsc.exe	iexplore.exe
PID 1164 wrote to memory of 3160	1164	msdcsc.exe	iexplore.exe
PID 1164 wrote to memory of 3160	1164	msdcsc.exe	iexplore.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe
PID 3160 wrote to memory of 1500	3160	iexplore.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\ZulaHax.exe
"C:\Users\Admin\AppData\Local\Temp\ZulaHax.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1164

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160

C:\Windows\SysWOW64\notepad.exe
notepad
4⤵
PID:1500

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Disabling Security Tools

2

T1089

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
659KB

MD5
949573ea355757e37f217798fd335478

SHA1
ba103d18dd84409cd2cba837ae64d42ec75613e7

SHA256
222e2ddd2cd5cb4156b9d1845c833d644d8a62d367004a271f6ec290a8aa2fb3

SHA512
ba7174bd8d6cb88066a7c18a1cd57b603680bfee9a94bf2ceca7a0784246f2e3a35f1856f91e3b9973f7a576cf8366fc3d10ee0268f80a3f077c174b4d2a2881

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
659KB

MD5
949573ea355757e37f217798fd335478

SHA1
ba103d18dd84409cd2cba837ae64d42ec75613e7

SHA256
222e2ddd2cd5cb4156b9d1845c833d644d8a62d367004a271f6ec290a8aa2fb3

SHA512
ba7174bd8d6cb88066a7c18a1cd57b603680bfee9a94bf2ceca7a0784246f2e3a35f1856f91e3b9973f7a576cf8366fc3d10ee0268f80a3f077c174b4d2a2881

Download Submit
memory/1164-130-0x0000000000000000-mapping.dmp

Download
memory/1500-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads