sakula | 0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680

General

Target

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe
Size

80KB
MD5

45acdb02d9de44a4e09a428cda01d653
SHA1

2fc1961e3512e74fc86595cbcc8b3d10e93f4ea9
SHA256

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680
SHA512

38e87ce0e8a6f3adf03df1be4af5488ab3eca1640fd0ba35d0f9118d168f762e16c2680227870fa71dbe3cdade9cb4f88f34c8bd32b38dbaf62cfc301a3c2d7a

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

1840 MediaCenter.exe

pid	process
1840	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:

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.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"	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.144836"	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 (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\DownlinkUsageBps = "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\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\UploadMonthlyLanBytes = "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\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\PriorityDownloadPendingCount = "0"	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\DownloadMonthlyCdnBytes = "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\CDNConnectionCount = "0"	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 = "3.448385"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.995880"	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\DownloadMonthlyRateFrBps = "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\PeerInfoCount = "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\UploadCount = "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\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\MonthID = "2"	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 = "4140"	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\DownloadMonthlyInternetBytes = "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\UploadRatePct = "100"	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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4348"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	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\Config\KVFileExpirationTime = "132893034303881734"	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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3836 PING.EXE

pid	process
3836	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe
Token: SeBackupPrivilege	2948	TiWorker.exe
Token: SeRestorePrivilege	2948	TiWorker.exe
Token: SeSecurityPrivilege	2948	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.execmd.exe

description	pid	process	target process
PID 3984 wrote to memory of 1840	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	MediaCenter.exe
PID 3984 wrote to memory of 1840	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	MediaCenter.exe
PID 3984 wrote to memory of 1840	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	MediaCenter.exe
PID 3984 wrote to memory of 1004	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	cmd.exe
PID 3984 wrote to memory of 1004	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	cmd.exe
PID 3984 wrote to memory of 1004	3984	0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe	cmd.exe
PID 1004 wrote to memory of 3836	1004	cmd.exe	PING.EXE
PID 1004 wrote to memory of 3836	1004	cmd.exe	PING.EXE
PID 1004 wrote to memory of 3836	1004	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe
"C:\Users\Admin\AppData\Local\Temp\0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1840

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bb6d88942103f3c87f5343575d070b2d49c731ed5a052312b76f258eb3d1680.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3836

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1068

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:2568

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:2948

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
5eb14e7c4d92f19e5614e9a65dd8299c

SHA1
22e33d0dbd985277a60801fc82c4dc031cb1da92

SHA256
71ea0dd317179c918b71a9e326fa450ffc380cef1a3123256c57cad650ab4149

SHA512
8de0fdbca4b19631162fb0f36c5eafeffb4fa26c86198d87b2f75a24738ffc3b9932202e565c339679b0a027048b19ac66cf9681d3663d0670756969dc85b327

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

MD5
5eb14e7c4d92f19e5614e9a65dd8299c

SHA1
22e33d0dbd985277a60801fc82c4dc031cb1da92

SHA256
71ea0dd317179c918b71a9e326fa450ffc380cef1a3123256c57cad650ab4149

SHA512
8de0fdbca4b19631162fb0f36c5eafeffb4fa26c86198d87b2f75a24738ffc3b9932202e565c339679b0a027048b19ac66cf9681d3663d0670756969dc85b327

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads