sakula | 13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00

General

Target

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe
Size

35KB
MD5

cca9695a085b7e92394a1cee8a6f4ad7
SHA1

2cac60737db14e86caa79a21c1f31d146b457f13
SHA256

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00
SHA512

38041d3697580b74ea30971acc774a1f7bc387b140eb8206c4bc170b6316d9fc048365be8bf4e706763528fa97ddb91683056a6b426d9bb065edcb0e25186b13

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

832 MediaCenter.exe

pid	process
832	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:

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.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"	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.464056"	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\Config\DODownloadMode = "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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892920138168344"	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	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\SwarmCount = "1"	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\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\DownloadMonthlyLinkLocalBytes = "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\InternetConnectionCount = "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\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 (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 = "4148"	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\CDNConnectionCount = "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\GroupConnectionCount = "0"	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\Settings	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.601892"	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\Usage\DownloadMonthlyLanBytes = "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\DownlinkUsageBps = "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
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\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\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\DownlinkBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3784 PING.EXE

pid	process
3784	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe
Token: SeBackupPrivilege	1688	TiWorker.exe
Token: SeRestorePrivilege	1688	TiWorker.exe
Token: SeSecurityPrivilege	1688	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.execmd.exe

description	pid	process	target process
PID 3476 wrote to memory of 832	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	MediaCenter.exe
PID 3476 wrote to memory of 832	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	MediaCenter.exe
PID 3476 wrote to memory of 832	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	MediaCenter.exe
PID 3476 wrote to memory of 1568	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	cmd.exe
PID 3476 wrote to memory of 1568	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	cmd.exe
PID 3476 wrote to memory of 1568	3476	13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe	cmd.exe
PID 1568 wrote to memory of 3784	1568	cmd.exe	PING.EXE
PID 1568 wrote to memory of 3784	1568	cmd.exe	PING.EXE
PID 1568 wrote to memory of 3784	1568	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe
"C:\Users\Admin\AppData\Local\Temp\13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3476

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13f665ef9f9c289b727b154c874176d6afaa24aeac4bf7758e2ace3f7122be00.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1568

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3784

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1864

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:3912

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:1688

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
92a3dfce2594af0973fd2f63ac01e988

SHA1
23c533cbd3c0977b28a9568cc2b5bed648583be1

SHA256
8421f1e69a5657ff2146f89a254ff7c184ad1b56326d6700405bdfd2e8af5439

SHA512
c6f4b2fa3ec98fed590e080d2e825b13b8b577efa8eb4afaec1e4fb20f46b51c2ac645ec07c7b0353fc204d207ee087ffc68a6f7f04b91ed578b1782e4862c51

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

MD5
92a3dfce2594af0973fd2f63ac01e988

SHA1
23c533cbd3c0977b28a9568cc2b5bed648583be1

SHA256
8421f1e69a5657ff2146f89a254ff7c184ad1b56326d6700405bdfd2e8af5439

SHA512
c6f4b2fa3ec98fed590e080d2e825b13b8b577efa8eb4afaec1e4fb20f46b51c2ac645ec07c7b0353fc204d207ee087ffc68a6f7f04b91ed578b1782e4862c51

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads