sakula | 0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a

General

Target

0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe
Size

191KB
MD5

6552de73ff76e793a82676bff9e7d160
SHA1

c23c789f5bb2ffd150b6327becf4d9663c1f0b08
SHA256

0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a
SHA512

05037a2b8f75dd9038f749c05d3cfff6dbced3a85fa726867f9e7c1e2c44326379b60e327dbc5712eea746aee5641390b8e1bc412d8ee42fcdc9fb8e6088b3ea

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

3844 MediaCenter.exe

pid	process
3844	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:

0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.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"	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.571411"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4304"	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\DownloadMonthlyRateBkBps = "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\LANConnectionCount = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3968"	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\CacheSizeBytes = "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 = "5.813960"	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\CDNConnectionCount = "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\PriorityDownloadCount = "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\DownloadMonthlyCdnBytes = "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\DownlinkUsageBps = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	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\Config\KVFileExpirationTime = "132893022850383842"	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\DownlinkBps = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "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
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\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\Config\DODownloadMode = "1"	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\DownloadMonthlyGroupBytes = "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
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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1608 PING.EXE

pid	process
1608	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe
Token: SeRestorePrivilege	1748	TiWorker.exe
Token: SeSecurityPrivilege	1748	TiWorker.exe
Token: SeBackupPrivilege	1748	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 3844	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	MediaCenter.exe
PID 1556 wrote to memory of 3844	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	MediaCenter.exe
PID 1556 wrote to memory of 3844	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	MediaCenter.exe
PID 1556 wrote to memory of 2988	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	cmd.exe
PID 1556 wrote to memory of 2988	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	cmd.exe
PID 1556 wrote to memory of 2988	1556	0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe	cmd.exe
PID 2988 wrote to memory of 1608	2988	cmd.exe	PING.EXE
PID 2988 wrote to memory of 1608	2988	cmd.exe	PING.EXE
PID 2988 wrote to memory of 1608	2988	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe
"C:\Users\Admin\AppData\Local\Temp\0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1556

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ca011198f3ff9e5c8e86c7dcb4ce5db02dbb9f66ace627acb2a3c559d315e5a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1608

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2396

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:3992

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:1748

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
5912a4cf9a1b2e53c10fbd90759733e8

SHA1
9a896e6d8178ba4ae2e9dc8448225db7209531dc

SHA256
a99c1dfed2d7578b16e2725354511bf05aede8405412785a4af4aefa40ed9d80

SHA512
29a333f72896d7d18a007f1296d2c6616ed4d47741fe352e2b019641ca7aca6de18409b90283b2be0d5b09a819dda0514cc166929df14158cb8271f1eeaed293

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

MD5
5912a4cf9a1b2e53c10fbd90759733e8

SHA1
9a896e6d8178ba4ae2e9dc8448225db7209531dc

SHA256
a99c1dfed2d7578b16e2725354511bf05aede8405412785a4af4aefa40ed9d80

SHA512
29a333f72896d7d18a007f1296d2c6616ed4d47741fe352e2b019641ca7aca6de18409b90283b2be0d5b09a819dda0514cc166929df14158cb8271f1eeaed293

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads