sakula | 13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa

General

Target

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe
Size

36KB
MD5

3bd58ac01cfdb88ad7e604d045ad435e
SHA1

ca7a73e38dc3d4dc4d9e11943431103d97f4cda8
SHA256

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa
SHA512

d1e1504869605b7f51b6c6b8714f045d87327d955ea829ac74deffcbbe105a24a5fbce2baa707198c7f0ffdd7014cf5d01cbf3f5c1d8ddb99f7c50ff5ea55bfb

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

4076 MediaCenter.exe

pid	process
4076	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:

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.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"	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.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\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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040075"	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\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\MemoryUsageKB = "4216"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892921241344551"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyGroupBytes = "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 (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\MonthID = "2"	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\PriorityDownloadCount = "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 = "0.000000"	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\DownloadMonthlyRateFrCnt = "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
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\DownloadMonthlyInternetBytes = "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\CDNConnectionCount = "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
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\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	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 = "4116"	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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "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\Config	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.546394"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1572 PING.EXE

pid	process
1572	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe
Token: SeBackupPrivilege	3020	TiWorker.exe
Token: SeRestorePrivilege	3020	TiWorker.exe
Token: SeSecurityPrivilege	3020	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.execmd.exe

description	pid	process	target process
PID 2876 wrote to memory of 4076	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	MediaCenter.exe
PID 2876 wrote to memory of 4076	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	MediaCenter.exe
PID 2876 wrote to memory of 4076	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	MediaCenter.exe
PID 2876 wrote to memory of 2320	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	cmd.exe
PID 2876 wrote to memory of 2320	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	cmd.exe
PID 2876 wrote to memory of 2320	2876	13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe	cmd.exe
PID 2320 wrote to memory of 1572	2320	cmd.exe	PING.EXE
PID 2320 wrote to memory of 1572	2320	cmd.exe	PING.EXE
PID 2320 wrote to memory of 1572	2320	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe
"C:\Users\Admin\AppData\Local\Temp\13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4076

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13db3261a611244d7d25ce092eae104e194c8ff083426bd705e57b7a0d03b3fa.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1572

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3572

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:3812

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:3020

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
7fa7c9f22c8ed7382888b302ff22af70

SHA1
101629cd324bdfb4d80e1dd26ba8b6719861a76a

SHA256
b16a4446d841af9362463669d25934ab43f2e1b64c31651fecb607e0a23e355a

SHA512
982f57c778d913c7423dce0272bae8f4ff5226694b8d05856e696ff3e1da89099e8d4a0003a2723d35639f31dba12374cfd132bfa39a95a87d5c66ae752e471b

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

MD5
7fa7c9f22c8ed7382888b302ff22af70

SHA1
101629cd324bdfb4d80e1dd26ba8b6719861a76a

SHA256
b16a4446d841af9362463669d25934ab43f2e1b64c31651fecb607e0a23e355a

SHA512
982f57c778d913c7423dce0272bae8f4ff5226694b8d05856e696ff3e1da89099e8d4a0003a2723d35639f31dba12374cfd132bfa39a95a87d5c66ae752e471b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads