sakula | 169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40

General

Target

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe
Size

58KB
MD5

85f13a9639348c634260b2bc34b0028d
SHA1

b3b44896eb2537b69025f6f96337279ed0ea6858
SHA256

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40
SHA512

74409a328a59f8e2aadd2ea2a9d6b78e14b132e206f9a927397dbd39a4451dc4e4c57c14f8355416a6c661035df2d22c2d865c960ed05f0f6c90ebca28dcb3f6

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3680 MediaCenter.exe

pid	process
3680	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:

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.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"	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 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\DownloadMonthlyLanBytes = "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\DownloadMonthlyCacheHostBytes = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142709"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "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\UplinkBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4180"	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\DownloadMode_BackCompat = "1"	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\CDNConnectionCount = "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
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\DownloadMonthlyRateFrCnt = "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\BkDownloadRatePct = "45"	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 = "4308"	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 = "0.000000"	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\Config\DODownloadMode = "1"	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\CacheSizeBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892880545260327"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.914960"	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\DownloadMonthlyRateBkBps = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2200 PING.EXE

pid	process
2200	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe
Token: SeBackupPrivilege	3920	TiWorker.exe
Token: SeRestorePrivilege	3920	TiWorker.exe
Token: SeSecurityPrivilege	3920	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.execmd.exe

description	pid	process	target process
PID 1816 wrote to memory of 3680	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	MediaCenter.exe
PID 1816 wrote to memory of 3680	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	MediaCenter.exe
PID 1816 wrote to memory of 3680	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	MediaCenter.exe
PID 1816 wrote to memory of 3084	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	cmd.exe
PID 1816 wrote to memory of 3084	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	cmd.exe
PID 1816 wrote to memory of 3084	1816	169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe	cmd.exe
PID 3084 wrote to memory of 2200	3084	cmd.exe	PING.EXE
PID 3084 wrote to memory of 2200	3084	cmd.exe	PING.EXE
PID 3084 wrote to memory of 2200	3084	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe
"C:\Users\Admin\AppData\Local\Temp\169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3680

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\169759295ac856aa8e58f34ab39ba24db62b4fedab45c94b50cacc1b852d4b40.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3084

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2200

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4052

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:2172

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:3920

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
f8cd169db5009cbfd9cda1afd1145b3b

SHA1
276ca2b2609624f65f1fc9cd368504da94f9a27f

SHA256
9ae1967020ec11aafb468adc45c5b59a84f0565e19f7966361ba7669fcc32042

SHA512
be613063ac763b35ef0ba98ebc0150826520508647a0c2ee2843d245c3ab1d4d3cf681d2cf3fe611f1669216987cc06d42f59b85879d18d08b9f5c942635e8cb

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

MD5
f8cd169db5009cbfd9cda1afd1145b3b

SHA1
276ca2b2609624f65f1fc9cd368504da94f9a27f

SHA256
9ae1967020ec11aafb468adc45c5b59a84f0565e19f7966361ba7669fcc32042

SHA512
be613063ac763b35ef0ba98ebc0150826520508647a0c2ee2843d245c3ab1d4d3cf681d2cf3fe611f1669216987cc06d42f59b85879d18d08b9f5c942635e8cb

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads