sakula | 0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591

General

Target

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe
Size

150KB
MD5

57df8763fe54efa9c2944712f54ddb50
SHA1

cb5f28f5e55679b924a2cd43fa034c1ae246798c
SHA256

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591
SHA512

3917b0bf97d776e24c15a07dcf055f3bd215d69681ed0a1ae6444e87ee8e8b2fdd8ffc824129fa72501e04c11ee4f1c7e247bfc1424d21b0ebdbbadf05dc9f24

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

2828 MediaCenter.exe

pid	process
2828	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:

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.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"	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\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\DownloadMonthlyRateFrBps = "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\DownlinkBps = "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\PriorityDownloadCount = "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\Config\DownloadMode_BackCompat = "1"	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\CDNConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.608816"	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\Config\KVFileExpirationTime = "132893019176964020"	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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\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 = "4056"	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\UploadMonthlyLanBytes = "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\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\UplinkUsageBps = "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\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\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\InternetConnectionCount = "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\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.624989"	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\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\SwarmCount = "1"	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 = "0.084459"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1892 PING.EXE

pid	process
1892	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe
Token: SeBackupPrivilege	1704	TiWorker.exe
Token: SeRestorePrivilege	1704	TiWorker.exe
Token: SeSecurityPrivilege	1704	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.execmd.exe

description	pid	process	target process
PID 1992 wrote to memory of 2828	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	MediaCenter.exe
PID 1992 wrote to memory of 2828	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	MediaCenter.exe
PID 1992 wrote to memory of 2828	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	MediaCenter.exe
PID 1992 wrote to memory of 3060	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	cmd.exe
PID 1992 wrote to memory of 3060	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	cmd.exe
PID 1992 wrote to memory of 3060	1992	0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe	cmd.exe
PID 3060 wrote to memory of 1892	3060	cmd.exe	PING.EXE
PID 3060 wrote to memory of 1892	3060	cmd.exe	PING.EXE
PID 3060 wrote to memory of 1892	3060	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe
"C:\Users\Admin\AppData\Local\Temp\0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2828

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0cfac2d3dedfec4d86a7fef04d3206cb1bcdfaa956082005d262b89d991ed591.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1892

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:4008

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:1304

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:1704

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
9e1dea4a2549b7d8d468adc68496d2a4

SHA1
e47de793383d1dd20b7d99697881d128c149ba3c

SHA256
53ba4618cee0ab0c28803551afe62ae4487164949bae2abcf975b4cdd4be9ebe

SHA512
7c2aada802dcf8c4b8f964b05a8845f28362de034d86b9023fe0db19b4da01498db07790655f09b671adef78f8cbc6146ff57b057c5a809e5fba00a50df994b4

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

MD5
9e1dea4a2549b7d8d468adc68496d2a4

SHA1
e47de793383d1dd20b7d99697881d128c149ba3c

SHA256
53ba4618cee0ab0c28803551afe62ae4487164949bae2abcf975b4cdd4be9ebe

SHA512
7c2aada802dcf8c4b8f964b05a8845f28362de034d86b9023fe0db19b4da01498db07790655f09b671adef78f8cbc6146ff57b057c5a809e5fba00a50df994b4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads