sakula | 17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6

General

Target

17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe
Size

100KB
MD5

2a4ff50af8873afd5b6668d7320b1bb5
SHA1

00e51883326433ca605b6c287227bbc21defbc92
SHA256

17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6
SHA512

48da4d6fca082139130b519cba10e84a343081721c9de77a8331fdafdb318bfb1f7ae0553c4b21a49bea73825856ea2835ab5bc2b277f38d332220611242e00b

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

1112 MediaCenter.exe

pid	process
1112	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:

17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.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"	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	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\Config\DODownloadMode = "1"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.469148"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.168243"	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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892860427013509"	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\MemoryUsageKB = "4128"	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\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\CDNConnectionCount = "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\InternetConnectionCount = "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\PriorityDownloadPendingCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\UploadRatePct = "100"	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 = "4336"	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\UplinkBps = "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\UploadCount = "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 = "3972"	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\Config\DownloadMode_BackCompat = "1"	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\SwarmCount = "1"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.546392"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006848"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1900 PING.EXE

pid	process
1900	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe

description	pid	process
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe
Token: SeBackupPrivilege	1984	TiWorker.exe
Token: SeRestorePrivilege	1984	TiWorker.exe
Token: SeSecurityPrivilege	1984	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.execmd.exe

description	pid	process	target process
PID 3668 wrote to memory of 1112	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	MediaCenter.exe
PID 3668 wrote to memory of 1112	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	MediaCenter.exe
PID 3668 wrote to memory of 1112	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	MediaCenter.exe
PID 3668 wrote to memory of 2396	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	cmd.exe
PID 3668 wrote to memory of 2396	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	cmd.exe
PID 3668 wrote to memory of 2396	3668	17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe	cmd.exe
PID 2396 wrote to memory of 1900	2396	cmd.exe	PING.EXE
PID 2396 wrote to memory of 1900	2396	cmd.exe	PING.EXE
PID 2396 wrote to memory of 1900	2396	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe
"C:\Users\Admin\AppData\Local\Temp\17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\17eab2deb0554e488b78e5d381ad11f41a8878f5e7893d5497bcf96f1163b0a6.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2396

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1900

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:3544

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:3436

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:1984

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
45d1f1e55b5458195c238df86a9a52e4

SHA1
ed245446791f1ef10ad3c297777e413582def3d9

SHA256
b5abf4270b31eefa55691048715e6dc1ff55715ec68934b66ea0e1d06cb4b989

SHA512
72928e475bd821e58c6c704555239734bedbf6593e59e584169b500fead6e38dd2be9bf7c8ccd6903810692d5562905401423f4114275515d1d3f57e1707b0c0

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

MD5
45d1f1e55b5458195c238df86a9a52e4

SHA1
ed245446791f1ef10ad3c297777e413582def3d9

SHA256
b5abf4270b31eefa55691048715e6dc1ff55715ec68934b66ea0e1d06cb4b989

SHA512
72928e475bd821e58c6c704555239734bedbf6593e59e584169b500fead6e38dd2be9bf7c8ccd6903810692d5562905401423f4114275515d1d3f57e1707b0c0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads