sakula | 085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024

General

Target

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe
Size

58KB
MD5

ed582374f649c873b1eb033953bbec0a
SHA1

6340f9219ba8ad1c5ae1e3a0167fa54d44446023
SHA256

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024
SHA512

c7dc7282bdcada18a19aec5cd7a126ec24c43e3704751ae60bee72e867e644a19054e9dc69e5845ea8e534caee986e012ca0c843f646cd75adf7146c562737e9

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

4048 MediaCenter.exe

pid	process
4048	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:

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.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"	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.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\Usage\BkDownloadRatePct = "45"	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 = "0.000000"	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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\UploadCount = "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\Usage\DownloadMonthlyRateBkBps = "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\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 = "1"	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\UplinkUsageBps = "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\LinkLocalConnectionCount = "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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4292"	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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893110701482150"	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\DownloadMonthlyCacheHostBytes = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.332735"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	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\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.833123"	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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2"	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\CacheSizeBytes = "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\SwarmCount = "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\DownloadMonthlyCdnBytes = "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\DownloadMonthlyRateFrBps = "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\MemoryUsageKB = "4132"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3532 PING.EXE

pid	process
3532	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe
Token: SeBackupPrivilege	2512	TiWorker.exe
Token: SeRestorePrivilege	2512	TiWorker.exe
Token: SeSecurityPrivilege	2512	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.execmd.exe

description	pid	process	target process
PID 2816 wrote to memory of 4048	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	MediaCenter.exe
PID 2816 wrote to memory of 4048	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	MediaCenter.exe
PID 2816 wrote to memory of 4048	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	MediaCenter.exe
PID 2816 wrote to memory of 3476	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	cmd.exe
PID 2816 wrote to memory of 3476	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	cmd.exe
PID 2816 wrote to memory of 3476	2816	085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe	cmd.exe
PID 3476 wrote to memory of 3532	3476	cmd.exe	PING.EXE
PID 3476 wrote to memory of 3532	3476	cmd.exe	PING.EXE
PID 3476 wrote to memory of 3532	3476	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe
"C:\Users\Admin\AppData\Local\Temp\085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\085d58f44d27afce67fba4ec989585bbd95fd42963937490d60e3232f68bb024.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3476

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3532

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2916

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:1636

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:2512

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
51b454dff3647bd7d18c20ba94742277

SHA1
6ae5738767eccc3775806391962deb9a3c4feb06

SHA256
bb77926e5061acc14ff8aba6ad51165599aacdc651d1c10859b962bb8f22ca0e

SHA512
9c57c4d6b4d3b2519eae20af105570ece0b6c675b3306d10facc736103c49589b21a3cac7adaa48563581f29321bfef72c3fb488578cff14f052b91de0dc975a

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
51b454dff3647bd7d18c20ba94742277

SHA1
6ae5738767eccc3775806391962deb9a3c4feb06

SHA256
bb77926e5061acc14ff8aba6ad51165599aacdc651d1c10859b962bb8f22ca0e

SHA512
9c57c4d6b4d3b2519eae20af105570ece0b6c675b3306d10facc736103c49589b21a3cac7adaa48563581f29321bfef72c3fb488578cff14f052b91de0dc975a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads