sakula | 13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876

General

Target

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe
Size

36KB
MD5

763f4de9ebd8b9d2da3094321a5e8560
SHA1

8870f9fd795361a8f84546a577fd93c0617b0f85
SHA256

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876
SHA512

22f2add19e9e48f1632c8915881b6d51f8d25ba81750d3d6c255f2ee9589dbbd19c6547e579e028f3cf1ed94efc5f76f8e142e3bf9e9162a1b9db57c573aaeb1

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

1332 MediaCenter.exe

pid	process
1332	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:

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.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"	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.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 48 IoCs

Processes:

svchost.exe

description	ioc	process
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\LinkLocalConnectionCount = "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\CDNConnectionCount = "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\DownlinkUsageBps = "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\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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.370746"	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\DownloadMonthlyLanBytes = "0"	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\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	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\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\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\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\UploadMonthlyInternetBytes = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\Config\KVFileExpirationTime = "132892922458142799"	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\MemoryUsageKB = "4320"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\FrDownloadRatePct = "90"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4104"	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
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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

760 PING.EXE

pid	process
760	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe
Token: SeBackupPrivilege	3716	TiWorker.exe
Token: SeRestorePrivilege	3716	TiWorker.exe
Token: SeSecurityPrivilege	3716	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.execmd.exe

description	pid	process	target process
PID 3808 wrote to memory of 1332	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	MediaCenter.exe
PID 3808 wrote to memory of 1332	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	MediaCenter.exe
PID 3808 wrote to memory of 1332	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	MediaCenter.exe
PID 3808 wrote to memory of 1796	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	cmd.exe
PID 3808 wrote to memory of 1796	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	cmd.exe
PID 3808 wrote to memory of 1796	3808	13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe	cmd.exe
PID 1796 wrote to memory of 760	1796	cmd.exe	PING.EXE
PID 1796 wrote to memory of 760	1796	cmd.exe	PING.EXE
PID 1796 wrote to memory of 760	1796	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe
"C:\Users\Admin\AppData\Local\Temp\13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1332

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13cb2ea433d574afb734ddc6261c1767e31c8f76cdfdd83d54da78b6a2944876.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:760

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2036

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:3276

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:3716

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
7f11e7f28d629ec6170578d4a137c13d

SHA1
a3503ceb9662a39df05b406baa176a726f48fa72

SHA256
67e4187d75f345318dfb01f00f68572c8e96644726b27a111c84f08d916e5840

SHA512
8922218080e81dbe2f91ed3c13c83141a781bf9a7176434446b630013b4a40f5426624fc53505558a31f0e78e5657f9527ae5ed7440e2a68c0c59a69ed124392

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

MD5
7f11e7f28d629ec6170578d4a137c13d

SHA1
a3503ceb9662a39df05b406baa176a726f48fa72

SHA256
67e4187d75f345318dfb01f00f68572c8e96644726b27a111c84f08d916e5840

SHA512
8922218080e81dbe2f91ed3c13c83141a781bf9a7176434446b630013b4a40f5426624fc53505558a31f0e78e5657f9527ae5ed7440e2a68c0c59a69ed124392

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads