sakula | 0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254

General

Target

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe
Size

58KB
MD5

5721148dbc10575bc9306e8848774f8e
SHA1

08f1b5b8965c0a9ba31d530dbb3017635fbf3f3c
SHA256

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254
SHA512

950d17bff0a62657772b78aa98457b054709a8fa9617a5272db9cdea82ceda85a9c6d0b4a6c3bab42bcbe28282b6852f8024c0b2f7fa36f86e0ccb80ccada592

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

2188 MediaCenter.exe

pid	process
2188	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:

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.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"	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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 = "132893071886310752"	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\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\DownloadMonthlyRateFrBps = "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\UplinkBps = "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\PriorityDownloadPendingCount = "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 = "3.333349"	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\DownloadMonthlyGroupBytes = "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\UplinkUsageBps = "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\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyLinkLocalBytes = "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\CacheSizeBytes = "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\Config\DownloadMode_BackCompat = "1"	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\MemoryUsageKB = "4100"	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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4324"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "8.333852"	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\DownlinkBps = "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\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\UploadMonthlyInternetBytes = "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\MonthID = "2"	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\DownlinkUsageBps = "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	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\UploadCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1760 PING.EXE

pid	process
1760	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe
Token: SeBackupPrivilege	3028	TiWorker.exe
Token: SeRestorePrivilege	3028	TiWorker.exe
Token: SeSecurityPrivilege	3028	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.execmd.exe

description	pid	process	target process
PID 3900 wrote to memory of 2188	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	MediaCenter.exe
PID 3900 wrote to memory of 2188	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	MediaCenter.exe
PID 3900 wrote to memory of 2188	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	MediaCenter.exe
PID 3900 wrote to memory of 460	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	cmd.exe
PID 3900 wrote to memory of 460	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	cmd.exe
PID 3900 wrote to memory of 460	3900	0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe	cmd.exe
PID 460 wrote to memory of 1760	460	cmd.exe	PING.EXE
PID 460 wrote to memory of 1760	460	cmd.exe	PING.EXE
PID 460 wrote to memory of 1760	460	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe
"C:\Users\Admin\AppData\Local\Temp\0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3900

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ac1053d383b24c83868995d3d4b6dc17fcf1a0dd487e18a823cc94a7254a254.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:460

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1760

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1528

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2824

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:3044

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:3028

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
6598535107a11289bea9414817f4c0ef

SHA1
caf42cc9a7dbe7d4168adb061cb4e1ec4239015f

SHA256
e1e4cdba75ed38e368825970422153d6e2d3fc7658af62255fe1c8977c6a02f1

SHA512
afdf26f4894eded52bc3458e22ee9c69fa215d17720f01ef1f0008007866a21dce90de25b56af72d851f2ac7f7e09c9110922972c4cf0055fdfdac8a6855dfa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
6598535107a11289bea9414817f4c0ef

SHA1
caf42cc9a7dbe7d4168adb061cb4e1ec4239015f

SHA256
e1e4cdba75ed38e368825970422153d6e2d3fc7658af62255fe1c8977c6a02f1

SHA512
afdf26f4894eded52bc3458e22ee9c69fa215d17720f01ef1f0008007866a21dce90de25b56af72d851f2ac7f7e09c9110922972c4cf0055fdfdac8a6855dfa8

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads