sakula | 0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26

General

Target

0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe
Size

58KB
MD5

9f0e6120012f7a43caef0fe100673406
SHA1

d362e59cc3d096cf00d5e7a605fa62b2170c6ef5
SHA256

0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26
SHA512

efaeae0a5544309adf3e1f65511d2bf36fa1daad703d9113faa0576ccf8d33dc5ddc3a034c72da1bcb8d6fee1bc4fd92449b186853d9a0a3ef5ac05ee487b8bc

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

3788 MediaCenter.exe

pid	process
3788	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:

0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.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"	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.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 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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\UploadCount = "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 = "4124"	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\DODownloadMode = "1"	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\DownloadMonthlyRateBkBps = "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\MonthlyUploadRestriction = "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\DownloadMonthlyLinkLocalBytes = "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
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	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\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\Usage\LANConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "18.185712"	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
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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332"	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
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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132893001667269483"	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\DownloadMonthlyCdnBytes = "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\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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.970252"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "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\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\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1764 PING.EXE

pid	process
1764	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe

description	pid	process
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe
Token: SeBackupPrivilege	1396	TiWorker.exe
Token: SeRestorePrivilege	1396	TiWorker.exe
Token: SeSecurityPrivilege	1396	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.execmd.exe

description	pid	process	target process
PID 1480 wrote to memory of 3788	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	MediaCenter.exe
PID 1480 wrote to memory of 3788	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	MediaCenter.exe
PID 1480 wrote to memory of 3788	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	MediaCenter.exe
PID 1480 wrote to memory of 3040	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	cmd.exe
PID 1480 wrote to memory of 3040	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	cmd.exe
PID 1480 wrote to memory of 3040	1480	0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe	cmd.exe
PID 3040 wrote to memory of 1764	3040	cmd.exe	PING.EXE
PID 3040 wrote to memory of 1764	3040	cmd.exe	PING.EXE
PID 3040 wrote to memory of 1764	3040	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe
"C:\Users\Admin\AppData\Local\Temp\0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3788

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e2637e05792505208d3fd103c8ef7d1651e06b35dbe524b54f095c3bb079c26.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1764

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2300

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:564

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:1396

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
1fdfc0eacd1ee5278e3ab5eba522f948

SHA1
07b60b5981d47cd5cdc1f80041af39f7e385ea97

SHA256
c5ca9e3b273fc82a36ddf6ba69fff94ee3480de456a95c0904c0a885cf75190c

SHA512
9cac5592bb862c7306742ba7afa43420be66aad3160b17b2321b8ace0aa97a083dda61ee2d220ec8c18a648cce9796a1bcc0b13a53befb695b71f048ecda8fb0

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

MD5
1fdfc0eacd1ee5278e3ab5eba522f948

SHA1
07b60b5981d47cd5cdc1f80041af39f7e385ea97

SHA256
c5ca9e3b273fc82a36ddf6ba69fff94ee3480de456a95c0904c0a885cf75190c

SHA512
9cac5592bb862c7306742ba7afa43420be66aad3160b17b2321b8ace0aa97a083dda61ee2d220ec8c18a648cce9796a1bcc0b13a53befb695b71f048ecda8fb0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads