sakula | 0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad

General

Target

0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe
Size

60KB
MD5

9416ca8464293b6a748a137e68419cb6
SHA1

f9b05374c98d227894e35397935f56ecfed8eef6
SHA256

0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad
SHA512

21c49f33d38082118f0168905d2b3ca3299d236f2de6bb9610bde2c8d1c1e6a2578922c88029e0dd67750687852654f36d39ac35b96b44f3170d2fa9b75a9af0

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

2144 MediaCenter.exe

pid	process
2144	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:

0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.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"	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\MemoryUsageKB = "4284"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3948"	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\DownloadMonthlyRateBkCnt = "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\MonthlyUploadRestriction = "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\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\DownlinkUsageBps = "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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	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\DownloadMonthlyGroupBytes = "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\NormalDownloadCount = "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\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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.632903"	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\DownloadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893033601191076"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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\MemoryUsageKB = "4176"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.155765"	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\UplinkBps = "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\UploadCount = "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\Usage\PeerInfoCount = "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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.135074"	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\DownloadMonthlyRateFrBps = "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\SwarmCount = "1"	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
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\UploadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1884 PING.EXE

pid	process
1884	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe

description	pid	process
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe
Token: SeBackupPrivilege	2040	TiWorker.exe
Token: SeRestorePrivilege	2040	TiWorker.exe
Token: SeSecurityPrivilege	2040	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.execmd.exe

description	pid	process	target process
PID 3880 wrote to memory of 2144	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	MediaCenter.exe
PID 3880 wrote to memory of 2144	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	MediaCenter.exe
PID 3880 wrote to memory of 2144	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	MediaCenter.exe
PID 3880 wrote to memory of 2060	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	cmd.exe
PID 3880 wrote to memory of 2060	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	cmd.exe
PID 3880 wrote to memory of 2060	3880	0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe	cmd.exe
PID 2060 wrote to memory of 1884	2060	cmd.exe	PING.EXE
PID 2060 wrote to memory of 1884	2060	cmd.exe	PING.EXE
PID 2060 wrote to memory of 1884	2060	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe
"C:\Users\Admin\AppData\Local\Temp\0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bb39e349de4875bc298a7143ac75f3905d83c483bed774781e0f0e328583aad.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2060

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1884

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:4024

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:1244

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:2040

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
6cecc128f8bde11e0e30d1ca8e5a1825

SHA1
dc5f215c1dea62db69a86b2973ebac521fc8052d

SHA256
e33e973c2cca76369eda0a00a0b6798b8128434d2000fcca2255ec3d79e3bbed

SHA512
4df74f97f003c2f24107d29249a6aeb9d0ad21a73b50e4abf8886c3c53fd28345ffba6f36ca3247a03c0d15977d2b0bb277f5440b8db2f9dcbdb8ea628f13ac7

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

MD5
6cecc128f8bde11e0e30d1ca8e5a1825

SHA1
dc5f215c1dea62db69a86b2973ebac521fc8052d

SHA256
e33e973c2cca76369eda0a00a0b6798b8128434d2000fcca2255ec3d79e3bbed

SHA512
4df74f97f003c2f24107d29249a6aeb9d0ad21a73b50e4abf8886c3c53fd28345ffba6f36ca3247a03c0d15977d2b0bb277f5440b8db2f9dcbdb8ea628f13ac7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads