sakula | 0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d

General

Target

0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe
Size

101KB
MD5

be5a680d4457f2544a48ec7e75a17fd5
SHA1

9fdfd2fbc8c4d312c5ae40faa3ee7f92ee0abb8e
SHA256

0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d
SHA512

22e368e689ba5a370b9e028f219d4df2a8805e867673cd9d0cbe2f356a420a5b25779ac7b9bec06c564962d51a35771ef243053388e6843a9f4282909834a3c6

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

2872 MediaCenter.exe

pid	process
2872	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:

0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.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"	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DODownloadMode = "1"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.714026"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4372"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	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 (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\CDNConnectionCount = "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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	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 (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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.717464"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.503841"	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\DownloadMonthlyLanBytes = "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 (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\DownloadMonthlyRateFrCnt = "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\MonthID = "2"	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\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\UploadMonthlyInternetBytes = "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\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\MemoryUsageKB = "4056"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893096867672487"	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\InternetConnectionCount = "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\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\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "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\DownloadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2972 PING.EXE

pid	process
2972	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe
Token: SeRestorePrivilege	3760	TiWorker.exe
Token: SeSecurityPrivilege	3760	TiWorker.exe
Token: SeBackupPrivilege	3760	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.execmd.exe

description	pid	process	target process
PID 3884 wrote to memory of 2872	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	MediaCenter.exe
PID 3884 wrote to memory of 2872	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	MediaCenter.exe
PID 3884 wrote to memory of 2872	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	MediaCenter.exe
PID 3884 wrote to memory of 3400	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	cmd.exe
PID 3884 wrote to memory of 3400	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	cmd.exe
PID 3884 wrote to memory of 3400	3884	0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe	cmd.exe
PID 3400 wrote to memory of 2972	3400	cmd.exe	PING.EXE
PID 3400 wrote to memory of 2972	3400	cmd.exe	PING.EXE
PID 3400 wrote to memory of 2972	3400	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe
"C:\Users\Admin\AppData\Local\Temp\0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3884

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2872

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0912a2740e33df0fa94767d2c0edb83a6c2b3d7056736a239deb24551c76640d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3400

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2972

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3448

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:2456

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:3760

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
5d07f92bbdea116da0dc613599160fb8

SHA1
494825df542b46e86354685394642277af312790

SHA256
a1a3374f05f19990604091b4b6124afc90fb01da458083e02a0112f632da3318

SHA512
fb69d089ec5c6a1bf8b9e472da515d1643ffc44f9e397b36cc6da0ee6f0bbdc8dc7fce5c49fce979f78012b74ad0a10581f66b52b576b41dda95c792b19b5d68

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
5d07f92bbdea116da0dc613599160fb8

SHA1
494825df542b46e86354685394642277af312790

SHA256
a1a3374f05f19990604091b4b6124afc90fb01da458083e02a0112f632da3318

SHA512
fb69d089ec5c6a1bf8b9e472da515d1643ffc44f9e397b36cc6da0ee6f0bbdc8dc7fce5c49fce979f78012b74ad0a10581f66b52b576b41dda95c792b19b5d68

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads