sakula | 13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d

General

Target

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe
Size

35KB
MD5

543933c1e674a9c15b3b4c7aa3bc60fd
SHA1

18e24703f429656acb34406d1d7e556cb8001889
SHA256

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d
SHA512

a065749136060b6ae572dfe90fb2bb48074df9514402d306c7bd56f3c57cb57f30f38d87e0bb2ab8337fb1c474de80b7eefc30ad18ee6cb3e62719e5e6e40e00

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

3932 MediaCenter.exe

pid	process
3932	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:

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.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"	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\UploadRatePct = "100"	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\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 (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 (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\PriorityDownloadCount = "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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateBkCnt = "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\BkDownloadRatePct = "45"	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\NormalDownloadPendingCount = "0"	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\Config\KVFileExpirationTime = "132892933403120815"	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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4328"	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\Config\DownloadMode_BackCompat = "1"	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\UplinkBps = "0"	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\MonthID = "2"	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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.069300"	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 = "0.194553"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.173893"	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\DownloadMonthlyCacheHostBytes = "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\DownloadMonthlyRateBkBps = "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\MemoryUsageKB = "4144"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3168 PING.EXE

pid	process
3168	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe
Token: SeBackupPrivilege	1568	TiWorker.exe
Token: SeRestorePrivilege	1568	TiWorker.exe
Token: SeSecurityPrivilege	1568	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.execmd.exe

description	pid	process	target process
PID 1908 wrote to memory of 3932	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	MediaCenter.exe
PID 1908 wrote to memory of 3932	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	MediaCenter.exe
PID 1908 wrote to memory of 3932	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	MediaCenter.exe
PID 1908 wrote to memory of 1960	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	cmd.exe
PID 1908 wrote to memory of 1960	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	cmd.exe
PID 1908 wrote to memory of 1960	1908	13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe	cmd.exe
PID 1960 wrote to memory of 3168	1960	cmd.exe	PING.EXE
PID 1960 wrote to memory of 3168	1960	cmd.exe	PING.EXE
PID 1960 wrote to memory of 3168	1960	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe
"C:\Users\Admin\AppData\Local\Temp\13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3932

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13161bf2292ff2374fd6376929c10f7f44ddd1cda4a48da480702f672acb5d2d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1960

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3168

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2768

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:312

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:1568

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
382e9862809027d2d0053834f15901d4

SHA1
e8a62d239c816cd2922ad0ac58d62dc9c5b6297c

SHA256
38215658da4776e4040c151e87288338e11b55d3ec8f12456ae0191ed66892f8

SHA512
7af4ff507433bf33fcf77136ef4ba0e37daeac78da3b054590a47c67fed474fd1c0786af33b4d6db5417167c699dcda8cb9754aee7018d3de5f675dbf66035ab

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

MD5
382e9862809027d2d0053834f15901d4

SHA1
e8a62d239c816cd2922ad0ac58d62dc9c5b6297c

SHA256
38215658da4776e4040c151e87288338e11b55d3ec8f12456ae0191ed66892f8

SHA512
7af4ff507433bf33fcf77136ef4ba0e37daeac78da3b054590a47c67fed474fd1c0786af33b4d6db5417167c699dcda8cb9754aee7018d3de5f675dbf66035ab

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads