sakula | 100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950

General

Target

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe
Size

79KB
MD5

7d6def0580d252d7bc98643925de7131
SHA1

1c5143987e1f1ccbb3ae0566132fe14ca6fe8d29
SHA256

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950
SHA512

45c44e5a6a767c9dbb1e99468e8b6abf5b351f2c711030db1ade11c3dcc56983324907639b85a410f39e54eb5e6e0302658da89dc32de6c9f30a1bf5d4609d00

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

3436 MediaCenter.exe

pid	process
3436	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:

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.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"	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892973032150887"	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\NormalDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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\GroupConnectionCount = "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\PeerInfoCount = "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\Config\DODownloadMode = "1"	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\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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyGroupBytes = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.660067"	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\FrDownloadRatePct = "90"	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\SwarmCount = "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\SwarmCount = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\MemoryUsageKB = "4200"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.097947"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4352"	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\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\DownlinkBps = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "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\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3892 PING.EXE

pid	process
3892	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe
Token: SeBackupPrivilege	832	TiWorker.exe
Token: SeRestorePrivilege	832	TiWorker.exe
Token: SeSecurityPrivilege	832	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.execmd.exe

description	pid	process	target process
PID 3328 wrote to memory of 3436	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	MediaCenter.exe
PID 3328 wrote to memory of 3436	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	MediaCenter.exe
PID 3328 wrote to memory of 3436	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	MediaCenter.exe
PID 3328 wrote to memory of 3116	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	cmd.exe
PID 3328 wrote to memory of 3116	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	cmd.exe
PID 3328 wrote to memory of 3116	3328	100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe	cmd.exe
PID 3116 wrote to memory of 3892	3116	cmd.exe	PING.EXE
PID 3116 wrote to memory of 3892	3116	cmd.exe	PING.EXE
PID 3116 wrote to memory of 3892	3116	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe
"C:\Users\Admin\AppData\Local\Temp\100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3328

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3436

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\100c1d367329693cb1dc305c6a2ddf3fd42dcc920564305d03c06400b25f0950.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3116

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3892

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3816

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:3348

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:832

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
b1436def52af09e949ad510bd433eeaa

SHA1
d41b8c9095ddb998ff2b170ba6eeb7c4f2627c68

SHA256
6ac6bbbdd9587e7fc02e993f7c83a73ac3b0b09bf01610f9924cef95a6646f26

SHA512
30171df46aaadb89a9f950aba1ae763e2283b0c729fdc876aeaddd3090171843e995f9aa691bffc7b9dbd42dabb6802010b6dfbe6097bacdc21bf4939a1d20f1

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

MD5
b1436def52af09e949ad510bd433eeaa

SHA1
d41b8c9095ddb998ff2b170ba6eeb7c4f2627c68

SHA256
6ac6bbbdd9587e7fc02e993f7c83a73ac3b0b09bf01610f9924cef95a6646f26

SHA512
30171df46aaadb89a9f950aba1ae763e2283b0c729fdc876aeaddd3090171843e995f9aa691bffc7b9dbd42dabb6802010b6dfbe6097bacdc21bf4939a1d20f1

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads