sakula | 0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96

General

Target

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe
Size

80KB
MD5

dacfd47ed66fdd7c7c09bea07a5de53c
SHA1

dee078ca9d4d1880b09c624c078a5a71e89d355b
SHA256

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96
SHA512

3d72c0936a9007016ea6d00a1111b52418adfc825eb7fcdd2f42709c4372cc786df0c711d036aa04f94c4c055735e7519fcc50e0d2601fc0830ca5ea5c7c7557

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

2012 MediaCenter.exe

pid	process
2012	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:

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.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"	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "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\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\GroupConnectionCount = "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\UplinkUsageBps = "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\DownloadMonthlyLanBytes = "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\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\CacheSizeBytes = "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\MemoryUsageKB = "4320"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.125132"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.337166"	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\Config\KVFileExpirationTime = "132893036457063998"	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\PriorityDownloadCount = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.104090"	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\PeerInfoCount = "0"	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\SwarmCount = "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\UploadMonthlyInternetBytes = "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\UplinkBps = "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\Config\DownloadMode_BackCompat = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1112 PING.EXE

pid	process
1112	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe
Token: SeBackupPrivilege	752	TiWorker.exe
Token: SeRestorePrivilege	752	TiWorker.exe
Token: SeSecurityPrivilege	752	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.execmd.exe

description	pid	process	target process
PID 3248 wrote to memory of 2012	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	MediaCenter.exe
PID 3248 wrote to memory of 2012	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	MediaCenter.exe
PID 3248 wrote to memory of 2012	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	MediaCenter.exe
PID 3248 wrote to memory of 908	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	cmd.exe
PID 3248 wrote to memory of 908	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	cmd.exe
PID 3248 wrote to memory of 908	3248	0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe	cmd.exe
PID 908 wrote to memory of 1112	908	cmd.exe	PING.EXE
PID 908 wrote to memory of 1112	908	cmd.exe	PING.EXE
PID 908 wrote to memory of 1112	908	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe
"C:\Users\Admin\AppData\Local\Temp\0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3248

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b91b1d579392adb694f4dbf47ac3032f2128c09672fc07931cbbb4b63789a96.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1112

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:1292

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:752

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
f48f1a7a00a04fc02d3c7d03cf1c770b

SHA1
73caca2a41f854c494868c89b3d95f8a29ae3490

SHA256
805db7d92d77980c5d79426d245adfb2a4cac205c9f737fe28d5e1f6632826d7

SHA512
afccaf3b1211eb6e17d86a794d35972e9a8a56ab4e52dbea9ba1c0fed96ea3323186aa3b9fc19a55798bc5a49c0de25973253c9fd639dc8c2dc7c148337a93d9

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

MD5
f48f1a7a00a04fc02d3c7d03cf1c770b

SHA1
73caca2a41f854c494868c89b3d95f8a29ae3490

SHA256
805db7d92d77980c5d79426d245adfb2a4cac205c9f737fe28d5e1f6632826d7

SHA512
afccaf3b1211eb6e17d86a794d35972e9a8a56ab4e52dbea9ba1c0fed96ea3323186aa3b9fc19a55798bc5a49c0de25973253c9fd639dc8c2dc7c148337a93d9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads