sakula | 138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020

General

Target

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe
Size

60KB
MD5

b1308076e4d2df8899207a8d555142c6
SHA1

cad0ac8d5c3daf37f31ff238fe1efd45fcfa299b
SHA256

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020
SHA512

bc22f4342075134a9fc519648d459ea4c84dbee94107528fa32faa3354ff4949ebdcb616f51c1daab331749a1b3d8dd1754d79d271268ae16131dc5127d20577

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

908 MediaCenter.exe

pid	process
908	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:

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.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"	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\Config\KVFileExpirationTime = "132892926769993138"	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\MonthlyUploadRestriction = "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
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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.761419"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.914638"	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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4224"	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\UploadMonthlyInternetBytes = "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\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\FrDownloadRatePct = "90"	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\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\MemoryUsageKB = "4100"	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\UploadCount = "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\CDNConnectionCount = "0"	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
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	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\BkDownloadRatePct = "45"	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\DownloadMonthlyInternetBytes = "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\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\GroupConnectionCount = "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\Usage\UplinkUsageBps = "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\DownloadMonthlyCacheHostBytes = "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\MemoryUsageKB = "4236"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3312 PING.EXE

pid	process
3312	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe
Token: SeBackupPrivilege	3044	TiWorker.exe
Token: SeRestorePrivilege	3044	TiWorker.exe
Token: SeSecurityPrivilege	3044	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.execmd.exe

description	pid	process	target process
PID 3800 wrote to memory of 908	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	MediaCenter.exe
PID 3800 wrote to memory of 908	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	MediaCenter.exe
PID 3800 wrote to memory of 908	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	MediaCenter.exe
PID 3800 wrote to memory of 2284	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	cmd.exe
PID 3800 wrote to memory of 2284	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	cmd.exe
PID 3800 wrote to memory of 2284	3800	138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe	cmd.exe
PID 2284 wrote to memory of 3312	2284	cmd.exe	PING.EXE
PID 2284 wrote to memory of 3312	2284	cmd.exe	PING.EXE
PID 2284 wrote to memory of 3312	2284	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe
"C:\Users\Admin\AppData\Local\Temp\138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3800

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\138bdca4ab80dcdf13365b2a7985fbc9c1b89f9bf30a0f2c633b0a4385869020.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2284

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3312

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2844

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:1280

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:3044

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
dfd82c5e0b46dfc9596ad3941619eda1

SHA1
3f1e31882ae957928d552023b734025e93c2d9b6

SHA256
affd7d7181360d197ae7d058b099cb89b2efd14d62e91ea31a0f05e56ca3f92b

SHA512
af10f6277410b2d3f7c9b13d6a0c3fdf5c8ee8a33e20d90788f6f8424d26d3662bdb4ece4e3839e4d4018d2e24e84b4eee0d67f40c0749ec92e8b276fa8478cf

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

MD5
dfd82c5e0b46dfc9596ad3941619eda1

SHA1
3f1e31882ae957928d552023b734025e93c2d9b6

SHA256
affd7d7181360d197ae7d058b099cb89b2efd14d62e91ea31a0f05e56ca3f92b

SHA512
af10f6277410b2d3f7c9b13d6a0c3fdf5c8ee8a33e20d90788f6f8424d26d3662bdb4ece4e3839e4d4018d2e24e84b4eee0d67f40c0749ec92e8b276fa8478cf

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads