sakula | 071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61

General

Target

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe
Size

36KB
MD5

cf03548b412e73addf5203c58f503158
SHA1

eab7e8c669a1881282afc3f735ba441b2392ba0e
SHA256

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61
SHA512

adeb880c4e11005578e4ca4e434be2224be2616b76c0eabd55a709416bfeb4fc9cec8e04c3c3caefd12875836229a8e37b96f24a8bd4150bffd3cd28a3e3b86a

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4072 MediaCenter.exe

pid	process
4072	MediaCenter.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:

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.884828"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.546081"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893130475437728"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "16.667289"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2532 PING.EXE

pid	process
2532	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe
Token: SeBackupPrivilege	1244	TiWorker.exe
Token: SeRestorePrivilege	1244	TiWorker.exe
Token: SeSecurityPrivilege	1244	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.execmd.exe

description	pid	process	target process
PID 1640 wrote to memory of 4072	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	MediaCenter.exe
PID 1640 wrote to memory of 4072	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	MediaCenter.exe
PID 1640 wrote to memory of 4072	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	MediaCenter.exe
PID 1640 wrote to memory of 3640	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	cmd.exe
PID 1640 wrote to memory of 3640	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	cmd.exe
PID 1640 wrote to memory of 3640	1640	071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe	cmd.exe
PID 3640 wrote to memory of 2532	3640	cmd.exe	PING.EXE
PID 3640 wrote to memory of 2532	3640	cmd.exe	PING.EXE
PID 3640 wrote to memory of 2532	3640	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe
"C:\Users\Admin\AppData\Local\Temp\071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4072

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\071160af873051b4d621c532cd36a5070204f23fc53924e952a59fc026088a61.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3640

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2532

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3964

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3872

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1244

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e40ababc9d77136f90eccac2ea47f39c

SHA1
23d9c3c8d1d928848e450d7f8c3dcc98e9bc573a

SHA256
f08da11e92e3ecec77721bb90e61489f7dd06905fc7df5c98f767119834de205

SHA512
6ff74b3cc14fe0cb3516f0a7c8014504da1a69c611dfde235ff32328bf6226e85f11009ad3fe6f4d77088860c4cdb5e364b038dbb7d7ab060a8c3e98ed8daf5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
e40ababc9d77136f90eccac2ea47f39c

SHA1
23d9c3c8d1d928848e450d7f8c3dcc98e9bc573a

SHA256
f08da11e92e3ecec77721bb90e61489f7dd06905fc7df5c98f767119834de205

SHA512
6ff74b3cc14fe0cb3516f0a7c8014504da1a69c611dfde235ff32328bf6226e85f11009ad3fe6f4d77088860c4cdb5e364b038dbb7d7ab060a8c3e98ed8daf5a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads