sakula | 0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc

General

Target

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe
Size

101KB
MD5

7b0439c26e692a5edc474f82df20b82c
SHA1

73416fd5c707c7719082358f40a3d5598d54e037
SHA256

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc
SHA512

89b901f20b402f5899b0b4898a4bd205d91b88cea3b885636c6012f8387fe5ebd409a2c35a259e2e44f95c9d5044f79f7fc890a2f51c0a4a8a954313a8d66809

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

1192 MediaCenter.exe

pid	process
1192	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:

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.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"	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.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 47 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\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\FrDownloadRatePct = "90"	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\DownloadMonthlyLanBytes = "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\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "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\UploadMonthlyInternetBytes = "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\MemoryUsageKB = "4376"	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\UplinkUsageBps = "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\SwarmCount = "1"	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\LinkLocalConnectionCount = "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\Config\DownloadMode_BackCompat = "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\MemoryUsageKB = "4164"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.108225"	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\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\Config\KVFileExpirationTime = "132892996915188078"	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\BkDownloadRatePct = "45"	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\PriorityDownloadPendingCount = "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\UplinkBps = "0"	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\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\InternetConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.741299"	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1636 PING.EXE

pid	process
1636	PING.EXE

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe
Token: SeBackupPrivilege	4020	TiWorker.exe
Token: SeRestorePrivilege	4020	TiWorker.exe
Token: SeSecurityPrivilege	4020	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.execmd.exe

description	pid	process	target process
PID 2432 wrote to memory of 1192	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	MediaCenter.exe
PID 2432 wrote to memory of 1192	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	MediaCenter.exe
PID 2432 wrote to memory of 1192	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	MediaCenter.exe
PID 2432 wrote to memory of 3256	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	cmd.exe
PID 2432 wrote to memory of 3256	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	cmd.exe
PID 2432 wrote to memory of 3256	2432	0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe	cmd.exe
PID 3256 wrote to memory of 1636	3256	cmd.exe	PING.EXE
PID 3256 wrote to memory of 1636	3256	cmd.exe	PING.EXE
PID 3256 wrote to memory of 1636	3256	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe
"C:\Users\Admin\AppData\Local\Temp\0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1192

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e8f526630ad080d03dc596e79076e0fa9006a8c8ba0fa53336a700032ea15bc.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3256

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1636

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1288

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:3660

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:4020

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
96cb37f7afec50109a867524d4bff427

SHA1
7bdfebee570c71d89a3eac966a81a17d4ef33a42

SHA256
881fd668db19dbe1261b90dffd1f8f828dad458586d114c68572841e31922286

SHA512
01878ba056b30bb141c8668f3eb9403246e2b5c9d44514813dc0453abcd03b7f0d33075dc0bb2abb8386133ea81578f25234d102267670c2ea36e14ad2c7a8b6

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

MD5
96cb37f7afec50109a867524d4bff427

SHA1
7bdfebee570c71d89a3eac966a81a17d4ef33a42

SHA256
881fd668db19dbe1261b90dffd1f8f828dad458586d114c68572841e31922286

SHA512
01878ba056b30bb141c8668f3eb9403246e2b5c9d44514813dc0453abcd03b7f0d33075dc0bb2abb8386133ea81578f25234d102267670c2ea36e14ad2c7a8b6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads