sakula | 136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae

General

Target

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe
Size

191KB
MD5

41bc0f6f3dc4f939f33b6e2228bb0b8e
SHA1

16e53a7d424409d819c0c25396590cb08fd6dc34
SHA256

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae
SHA512

7ce856ba4cadba3fb7c380f23fc16c93653b29ca0b2458a90109c8e30b0a63ed89e42385b5d5cd48d42f3aa06befb24e1a84822cd449204b3285a6e8916f4920

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3404 MediaCenter.exe

pid	process
3404	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:

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.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"	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.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\DownloadMonthlyLanBytes = "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\MemoryUsageKB = "4108"	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\UploadCount = "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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "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\CacheSizeBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "25.016010"	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\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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.039216"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\DownloadMonthlyRateFrBps = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.322582"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204"	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\UploadMonthlyLanBytes = "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\PeerInfoCount = "0"	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\DownloadMonthlyLinkLocalBytes = "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\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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892927983161657"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2944 PING.EXE

pid	process
2944	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe
Token: SeBackupPrivilege	560	TiWorker.exe
Token: SeRestorePrivilege	560	TiWorker.exe
Token: SeSecurityPrivilege	560	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.execmd.exe

description	pid	process	target process
PID 1248 wrote to memory of 3404	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	MediaCenter.exe
PID 1248 wrote to memory of 3404	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	MediaCenter.exe
PID 1248 wrote to memory of 3404	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	MediaCenter.exe
PID 1248 wrote to memory of 644	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	cmd.exe
PID 1248 wrote to memory of 644	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	cmd.exe
PID 1248 wrote to memory of 644	1248	136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe	cmd.exe
PID 644 wrote to memory of 2944	644	cmd.exe	PING.EXE
PID 644 wrote to memory of 2944	644	cmd.exe	PING.EXE
PID 644 wrote to memory of 2944	644	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe
"C:\Users\Admin\AppData\Local\Temp\136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\136b1d0e63e3e88475873ae281418d1cdfb40b5efa3f333da2446138b7e747ae.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2944

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3424

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:3408

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:560

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
232203c904b22e3c3beedd883a9a7a0b

SHA1
9e7f3bfa502de7ae52d5f1ae8941e1805250167f

SHA256
bdab5b45c8cf5c34abfe383f5dfb4d6859785e117031c09793f834bf15ad9916

SHA512
4353267312000acd134f8831fe53f3207fa903b30739def230e7d3dc29f664db1e1d17862216befb255d573845064bcb5333c1ad37d7f45038ac183604e25af8

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

MD5
232203c904b22e3c3beedd883a9a7a0b

SHA1
9e7f3bfa502de7ae52d5f1ae8941e1805250167f

SHA256
bdab5b45c8cf5c34abfe383f5dfb4d6859785e117031c09793f834bf15ad9916

SHA512
4353267312000acd134f8831fe53f3207fa903b30739def230e7d3dc29f664db1e1d17862216befb255d573845064bcb5333c1ad37d7f45038ac183604e25af8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads