sakula | 04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf

General

Target

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe
Size

58KB
MD5

04a977278a8e308e8d30d383cab8efd2
SHA1

4950d6516243a763ff82b462f6be612a773388b7
SHA256

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf
SHA512

cc0ddcf6532069175b89b663cf31f527289849c2e0e997c7cadd23fc6c03c1576d07b78ff7b9c349825f636d2a7bdde55b9bd1157ba9a6915146e7de211de083

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

3600 MediaCenter.exe

pid	process
3600	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:

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.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"	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.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\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132893159079701132"	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\LANConnectionCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	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\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4092"	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\DownloadMonthlyLinkLocalBytes = "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\DownloadMonthlyGroupBytes = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.361445"	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\CacheSizeBytes = "0"	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\Config\DownloadMode_BackCompat = "1"	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 (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\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "13.044669"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\Usage\MonthID = "2"	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\CDNConnectionCount = "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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1188 PING.EXE

pid	process
1188	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe
Token: SeBackupPrivilege	1264	TiWorker.exe
Token: SeRestorePrivilege	1264	TiWorker.exe
Token: SeSecurityPrivilege	1264	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.execmd.exe

description	pid	process	target process
PID 516 wrote to memory of 3600	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	MediaCenter.exe
PID 516 wrote to memory of 3600	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	MediaCenter.exe
PID 516 wrote to memory of 3600	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	MediaCenter.exe
PID 516 wrote to memory of 1368	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	cmd.exe
PID 516 wrote to memory of 1368	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	cmd.exe
PID 516 wrote to memory of 1368	516	04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe	cmd.exe
PID 1368 wrote to memory of 1188	1368	cmd.exe	PING.EXE
PID 1368 wrote to memory of 1188	1368	cmd.exe	PING.EXE
PID 1368 wrote to memory of 1188	1368	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe
"C:\Users\Admin\AppData\Local\Temp\04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3600

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04e0f082c6274ba406063e11597459301b12d8e9168f168a58f2801efe5d35cf.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1368

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1188

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2752

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:2756

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:1264

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
a3540837ad178af89d3a3f29d02499f3

SHA1
ef379fe6d458e96a020cfb1c43bd29c8e2459083

SHA256
813de529782fbc83dc65e8a9ac2d7fb3b9bd9961f61a10331ea3403e63e2855d

SHA512
d3f310e4c7e53586ead793995e9f33f6a55375e73c761a2efc6d3941a9fbb3a85283e1bb9cfdec24f6f7932d4f27a0927233da800e8f67e4831fea64c82fc899

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
a3540837ad178af89d3a3f29d02499f3

SHA1
ef379fe6d458e96a020cfb1c43bd29c8e2459083

SHA256
813de529782fbc83dc65e8a9ac2d7fb3b9bd9961f61a10331ea3403e63e2855d

SHA512
d3f310e4c7e53586ead793995e9f33f6a55375e73c761a2efc6d3941a9fbb3a85283e1bb9cfdec24f6f7932d4f27a0927233da800e8f67e4831fea64c82fc899

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads