sakula | 0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa

General

Target

0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe
Size

99KB
MD5

d186ea7ae1fdd2cc617e92b6c6e569ee
SHA1

24c1a00713b812d76114e6de597eff688666f8fd
SHA256

0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa
SHA512

97f7fd58cddb84874420ebc306bbb911cf0edf8cb179802693af0b17f945a60d30c6f46786c7b9efcbd2f6d12f049a92b12290bf707a80cd180061ee70edfc2c

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

3288 MediaCenter.exe

pid	process
3288	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:

0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.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"	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\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 (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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	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\UploadMonthlyLanBytes = "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\SwarmCount = "1"	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\UploadRatePct = "100"	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\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\DownlinkUsageBps = "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\MemoryUsageKB = "4300"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3932"	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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893094320198290"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.248974"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "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\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\DownloadMonthlyRateFrCnt = "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\InternetConnectionCount = "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\DownloadMonthlyRateBkBps = "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 = "4076"	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\UplinkUsageBps = "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 = "0.000000"	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\DownloadMonthlyRateFrBps = "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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.260848"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3860 PING.EXE

pid	process
3860	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe

description	pid	process
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe
Token: SeBackupPrivilege	3876	TiWorker.exe
Token: SeRestorePrivilege	3876	TiWorker.exe
Token: SeSecurityPrivilege	3876	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.execmd.exe

description	pid	process	target process
PID 2424 wrote to memory of 3288	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	MediaCenter.exe
PID 2424 wrote to memory of 3288	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	MediaCenter.exe
PID 2424 wrote to memory of 3288	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	MediaCenter.exe
PID 2424 wrote to memory of 844	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	cmd.exe
PID 2424 wrote to memory of 844	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	cmd.exe
PID 2424 wrote to memory of 844	2424	0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe	cmd.exe
PID 844 wrote to memory of 3860	844	cmd.exe	PING.EXE
PID 844 wrote to memory of 3860	844	cmd.exe	PING.EXE
PID 844 wrote to memory of 3860	844	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe
"C:\Users\Admin\AppData\Local\Temp\0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0939f9af809fef6eedad1db7baeba12400a06f6c6728cbce4a4f2ebadbaa96fa.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3860

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3868

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:1180

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:3876

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
f16b813f6a0d909e3e8cca47a1075aa0

SHA1
a8e6b046b938f6665c5b79916ea757afdca9419f

SHA256
a557c79cc151048d59434ba4b204de91ddedf8cfeab6c9cf9e4b481ec905517c

SHA512
25ab6f9e4f6a4e5ed5e855420f30e09e24bedf9a605d5ec162b539c9d6cbc09b520554ecb5fc4f7dcd50821aaf9ce568865d17c1243b0fd7eeb10975154a1c79

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
f16b813f6a0d909e3e8cca47a1075aa0

SHA1
a8e6b046b938f6665c5b79916ea757afdca9419f

SHA256
a557c79cc151048d59434ba4b204de91ddedf8cfeab6c9cf9e4b481ec905517c

SHA512
25ab6f9e4f6a4e5ed5e855420f30e09e24bedf9a605d5ec162b539c9d6cbc09b520554ecb5fc4f7dcd50821aaf9ce568865d17c1243b0fd7eeb10975154a1c79

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads