sakula | 12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0

General

Target

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe
Size

36KB
MD5

e424da6dd2fbe2d9adf4757a15544e01
SHA1

52cd4009c0d83f368403e28ac256cc3322e2954a
SHA256

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0
SHA512

8c7d4cc630997d652328538bca930e7d0b28e2dfd3a48aec241be705e1dc846955a3b42662e6acbc87707b6d94c87252ee395124e1829dde0ce25b8fada3eb6d

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

1900 MediaCenter.exe

pid	process
1900	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:

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.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"	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.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\UploadMonthlyInternetBytes = "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\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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	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\DownloadMonthlyGroupBytes = "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\UplinkUsageBps = "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\PriorityDownloadCount = "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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892938551181357"	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\PeerInfoCount = "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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4280"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4256"	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
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\UploadMonthlyLanBytes = "0"	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\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\GroupConnectionCount = "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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.564151"	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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\PriorityDownloadPendingCount = "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\DownloadMonthlyLinkLocalBytes = "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 (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\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\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\InternetConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "7.142217"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3640 PING.EXE

pid	process
3640	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe
Token: SeBackupPrivilege	1872	TiWorker.exe
Token: SeRestorePrivilege	1872	TiWorker.exe
Token: SeSecurityPrivilege	1872	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.execmd.exe

description	pid	process	target process
PID 3016 wrote to memory of 1900	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	MediaCenter.exe
PID 3016 wrote to memory of 1900	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	MediaCenter.exe
PID 3016 wrote to memory of 1900	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	MediaCenter.exe
PID 3016 wrote to memory of 3700	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	cmd.exe
PID 3016 wrote to memory of 3700	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	cmd.exe
PID 3016 wrote to memory of 3700	3016	12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe	cmd.exe
PID 3700 wrote to memory of 3640	3700	cmd.exe	PING.EXE
PID 3700 wrote to memory of 3640	3700	cmd.exe	PING.EXE
PID 3700 wrote to memory of 3640	3700	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe
"C:\Users\Admin\AppData\Local\Temp\12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1900

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12a979d5a790252d1698d3c7050bbb91d248fb93f2173760e34ed1e6bbd0e8f0.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3640

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1608

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:1016

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:1872

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
957f26551bb0047ffd4635a1d20ef557

SHA1
d55c1fd3f2e1299b454744437d5f3019eeeb6df9

SHA256
7acf3324dc8658ffe8ccfca507fb093b9d1bb9cb2efbf375e2c86fb61eb439cf

SHA512
f548369fd6a2b35daeb8874f83e73e58d30d92611b04da25012afc24db225c17317796eeecb2a7fd0af641678f3e4af32c918f1af80ba50bac0d1ec4b0ec461e

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

MD5
957f26551bb0047ffd4635a1d20ef557

SHA1
d55c1fd3f2e1299b454744437d5f3019eeeb6df9

SHA256
7acf3324dc8658ffe8ccfca507fb093b9d1bb9cb2efbf375e2c86fb61eb439cf

SHA512
f548369fd6a2b35daeb8874f83e73e58d30d92611b04da25012afc24db225c17317796eeecb2a7fd0af641678f3e4af32c918f1af80ba50bac0d1ec4b0ec461e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads