sakula | 1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f

General

Target

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
Size

80KB
MD5

460f466ce5f06e297b9b70d576d59223
SHA1

e8cdb49dae2a4b74eac963961a1a68a5e622497b
SHA256

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f
SHA512

5338bf5c186990e5387034935917052575275cf2ec8008d5824459f964b4c1fb0cc4dc448fd4598f18cc13e2a402337b86951df0f29192e0f9ecb13e6ccf93bd

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

744 MediaCenter.exe

pid	process
744	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:

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.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"	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.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
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\UploadMonthlyLanBytes = "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\DownloadMonthlyLanBytes = "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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\UploadCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "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\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\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 (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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.666703"	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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "0"	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 = "0.034459"	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\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892884060546053"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4144"	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\UploadMonthlyInternetBytes = "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\DownloadMonthlyCacheHostBytes = "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\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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4264"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3980 PING.EXE

pid	process
3980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe
Token: SeBackupPrivilege	3972	TiWorker.exe
Token: SeRestorePrivilege	3972	TiWorker.exe
Token: SeSecurityPrivilege	3972	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.execmd.exe

description	pid	process	target process
PID 3932 wrote to memory of 744	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	MediaCenter.exe
PID 3932 wrote to memory of 744	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	MediaCenter.exe
PID 3932 wrote to memory of 744	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	MediaCenter.exe
PID 3932 wrote to memory of 1588	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	cmd.exe
PID 3932 wrote to memory of 1588	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	cmd.exe
PID 3932 wrote to memory of 1588	3932	1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe	cmd.exe
PID 1588 wrote to memory of 3980	1588	cmd.exe	PING.EXE
PID 1588 wrote to memory of 3980	1588	cmd.exe	PING.EXE
PID 1588 wrote to memory of 3980	1588	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe
"C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1661806778b194b1847ca0fdb7025808b8e7e77afb8ec8625be21f4dc676ed9f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3980

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2248

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:636

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:3972

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
ed0356214af8f46a6fec4ac7f1a428de

SHA1
771ee06ca6ae2225361b00311de2c46150f63cea

SHA256
6c56c00c58ed793e9505c5fe2335d1af3678629bbd360269dfe539a78e96ba1c

SHA512
720109ab5c3d1730328c3eab465b1fa6ccc2a8b4d7d503ae69897f02723a4ec396581abe656720972a28ffefce3a849d0f8ca708c60c6662d329547836aa956e

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

MD5
ed0356214af8f46a6fec4ac7f1a428de

SHA1
771ee06ca6ae2225361b00311de2c46150f63cea

SHA256
6c56c00c58ed793e9505c5fe2335d1af3678629bbd360269dfe539a78e96ba1c

SHA512
720109ab5c3d1730328c3eab465b1fa6ccc2a8b4d7d503ae69897f02723a4ec396581abe656720972a28ffefce3a849d0f8ca708c60c6662d329547836aa956e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads