sakula | 04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d

General

Target

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe
Size

92KB
MD5

1f8639e4ab9e4d718a75309868e82df8
SHA1

8a2c65c0590e0544e94147a52d4fe17d411e5574
SHA256

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d
SHA512

9bba3dc1ece9dd02f59be606782f58f36b3ad71d42a4a2118fd3ac25eb1158e7569a153d65742c7775789aee417c7ba0e43ed775e84815bad7571b06d6e0a55c

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

956 MediaCenter.exe

pid	process
956	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:

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.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"	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.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

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\DownloadMonthlyInternetBytes = "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\MemoryUsageKB = "4144"	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\PriorityDownloadPendingCount = "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 = "132893159748806471"	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\UplinkUsageBps = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.995522"	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\DownloadMonthlyCdnBytes = "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\InternetConnectionCount = "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\NormalDownloadCount = "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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\DownloadMonthlyGroupBytes = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.605144"	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\DownloadMonthlyCacheHostBytes = "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\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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.418197"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2948 PING.EXE

pid	process
2948	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 956	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	MediaCenter.exe
PID 1556 wrote to memory of 956	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	MediaCenter.exe
PID 1556 wrote to memory of 956	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	MediaCenter.exe
PID 1556 wrote to memory of 3656	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	cmd.exe
PID 1556 wrote to memory of 3656	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	cmd.exe
PID 1556 wrote to memory of 3656	1556	04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe	cmd.exe
PID 3656 wrote to memory of 2948	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 2948	3656	cmd.exe	PING.EXE
PID 3656 wrote to memory of 2948	3656	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe
"C:\Users\Admin\AppData\Local\Temp\04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\04c1bceed5bfd40362e0c91559d3e22a0dc0eacb6204f689dcdeaa4e1d3d481d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3656

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2948

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:3904

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:2608

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
47ccfde4208559bbd03209a184406e23

SHA1
147ce61d6e5a50122318a1088854719ba915eae5

SHA256
7f8a8f0c07868cd1fed6c4848113c0e9cb7b69f4316f0385851f4d5b48674882

SHA512
cfebfe29747d7882737ab6272929266601398b247ceb191326b8871f93d6edd742589516e0639871fc48c965965ff7cfd3b14a33db50ec92b633345ad6bfc922

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
47ccfde4208559bbd03209a184406e23

SHA1
147ce61d6e5a50122318a1088854719ba915eae5

SHA256
7f8a8f0c07868cd1fed6c4848113c0e9cb7b69f4316f0385851f4d5b48674882

SHA512
cfebfe29747d7882737ab6272929266601398b247ceb191326b8871f93d6edd742589516e0639871fc48c965965ff7cfd3b14a33db50ec92b633345ad6bfc922

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads