sakula | 041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3

General

Target

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe
Size

60KB
MD5

96ae70512cca8641a8180add0668a347
SHA1

317b95fb25e92ea81dfc503470dc6bc54c3c41a0
SHA256

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3
SHA512

d72c73f54c5734e785a0f926fc74663ba2165719fdd5bb825ac9a1c6a05b6b9999136c476887ee43c2780f9d98ceff381a67d89f139d35c82a58c416210acadd

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

1544 MediaCenter.exe

pid	process
1544	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:

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.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"	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\PeerInfoCount = "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\DownloadMonthlyRateFrCnt = "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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893170577982229"	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\LANConnectionCount = "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\DownloadMonthlyLinkLocalBytes = "0"	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\MonthlyUploadRestriction = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.006602"	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\DownlinkUsageBps = "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\MemoryUsageKB = "4272"	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\DownloadMode_BackCompat = "1"	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\CDNConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333237"	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\UploadMonthlyLanBytes = "0"	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\Usage\CPUpct = "2.611919"	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\Usage	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\CacheSizeBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4312"	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\DownloadMonthlyInternetBytes = "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\GroupConnectionCount = "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\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4096"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3420 PING.EXE

pid	process
3420	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe
Token: SeBackupPrivilege	1172	TiWorker.exe
Token: SeRestorePrivilege	1172	TiWorker.exe
Token: SeSecurityPrivilege	1172	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.execmd.exe

description	pid	process	target process
PID 1296 wrote to memory of 1544	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	MediaCenter.exe
PID 1296 wrote to memory of 1544	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	MediaCenter.exe
PID 1296 wrote to memory of 1544	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	MediaCenter.exe
PID 1296 wrote to memory of 772	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	cmd.exe
PID 1296 wrote to memory of 772	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	cmd.exe
PID 1296 wrote to memory of 772	1296	041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe	cmd.exe
PID 772 wrote to memory of 3420	772	cmd.exe	PING.EXE
PID 772 wrote to memory of 3420	772	cmd.exe	PING.EXE
PID 772 wrote to memory of 3420	772	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe
"C:\Users\Admin\AppData\Local\Temp\041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\041789d1ed6672c7bfa33287bb41da71a07b34445b71b31df4a66d4fb8f665f3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:772

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3420

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3656

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:3256

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:1172

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
3f366eec0bbc3608fc02c2b80bc5ecbb

SHA1
69616aa57dbe0f6f87ff9777acbdc2c1c9415ad8

SHA256
1a3d355aa9851b4c5739193844043df102b0b83256a43e73c420a3c3ee892cd2

SHA512
ca37857454df7cb323df8781e39a17c984af7a39ab842a58088d82d640b9bf79b155c7747490677fa10613fdc07615cf1f78fb3daca992f6d38e0b79d7f46390

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
3f366eec0bbc3608fc02c2b80bc5ecbb

SHA1
69616aa57dbe0f6f87ff9777acbdc2c1c9415ad8

SHA256
1a3d355aa9851b4c5739193844043df102b0b83256a43e73c420a3c3ee892cd2

SHA512
ca37857454df7cb323df8781e39a17c984af7a39ab842a58088d82d640b9bf79b155c7747490677fa10613fdc07615cf1f78fb3daca992f6d38e0b79d7f46390

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads