sakula | 07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342

General

Target

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe
Size

191KB
MD5

6a63d98b80ee586fca0b8f8e2d67eded
SHA1

2ef7af6611b849d461ee27d0f6aab088ebeaba4a
SHA256

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342
SHA512

7519c02282e22e2f7d8cafb9c9ba5b5fc6799419000ab48bb8a99e7498ca9a7fa8138796320b5175e2f256c6f682eaf6759e2b08c58ef4dac7a11f41ecc7aa70

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

3688 MediaCenter.exe

pid	process
3688	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:

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.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"	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\BkDownloadRatePct = "45"	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\DownloadMonthlyCdnBytes = "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\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\CacheSizeBytes = "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\UploadCount = "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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893117618165797"	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 (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\Config	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\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\MonthlyUploadRestriction = "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\InternetConnectionCount = "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\MemoryUsageKB = "4388"	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\CDNConnectionCount = "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\DownlinkUsageBps = "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\DownloadMonthlyRateFrBps = "0"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040274"	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\UploadRatePct = "100"	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 = "4.729713"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4160"	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
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\DownloadMonthlyRateBkCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2544 PING.EXE

pid	process
2544	PING.EXE

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe
Token: SeBackupPrivilege	3712	TiWorker.exe
Token: SeRestorePrivilege	3712	TiWorker.exe
Token: SeSecurityPrivilege	3712	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.execmd.exe

description	pid	process	target process
PID 3840 wrote to memory of 3688	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	MediaCenter.exe
PID 3840 wrote to memory of 3688	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	MediaCenter.exe
PID 3840 wrote to memory of 3688	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	MediaCenter.exe
PID 3840 wrote to memory of 2244	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	cmd.exe
PID 3840 wrote to memory of 2244	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	cmd.exe
PID 3840 wrote to memory of 2244	3840	07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe	cmd.exe
PID 2244 wrote to memory of 2544	2244	cmd.exe	PING.EXE
PID 2244 wrote to memory of 2544	2244	cmd.exe	PING.EXE
PID 2244 wrote to memory of 2544	2244	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe
"C:\Users\Admin\AppData\Local\Temp\07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3688

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07b6e01c189142cd350018756480b2ba112b60ef933a3d5209bd465bd880f342.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2244

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2544

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2188

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:544

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:3712

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f92f6dc8d9416d9e5cbc140053386593

SHA1
3c6fec79fe3d8e1e9c2b249240a74885aecf3114

SHA256
e879fd4282262e217fad58d2a86be60a33f74345d1ebd5e45942e9d1a3a40fda

SHA512
649effb9d17f9e4ad2529ba8d0b8cf0291dcf878e7317794547cc9b9f4e3118aa4c0dbb3e3c49d35072acdc3309ddc950682f7e673961363d104069a169c849f

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f92f6dc8d9416d9e5cbc140053386593

SHA1
3c6fec79fe3d8e1e9c2b249240a74885aecf3114

SHA256
e879fd4282262e217fad58d2a86be60a33f74345d1ebd5e45942e9d1a3a40fda

SHA512
649effb9d17f9e4ad2529ba8d0b8cf0291dcf878e7317794547cc9b9f4e3118aa4c0dbb3e3c49d35072acdc3309ddc950682f7e673961363d104069a169c849f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads