sakula | 18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d

General

Target

18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe
Size

58KB
MD5

fd9dc5b8fa418f96c34d31639851ed29
SHA1

1375a117559a9e6c8db10555f77c43f0501d8837
SHA256

18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d
SHA512

834331b80daaa3fea4a66eade9c020d754a1923cc8c8164422c44d7a77302a295b52dcd931ba19f76f9e73f92358e4c4f1f293e489bb8fd700f7f0db091142df

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

1648 MediaCenter.exe

pid	process
1648	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:

18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.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"	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.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 52 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4156"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006606"	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\DownloadMonthlyInternetBytes = "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\LANConnectionCount = "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\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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.248968"	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\DownlinkBps = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4088"	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\Config\KVFileExpirationTime = "132892847836273617"	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\InternetConnectionCount = "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\MemoryUsageKB = "4352"	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\UploadMonthlyLanBytes = "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\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\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.465387"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\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\SwarmCount = "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\Config\DownloadMode_BackCompat = "1"	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\UploadMonthlyInternetBytes = "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\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4368"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3216 PING.EXE

pid	process
3216	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe

description	pid	process
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeIncBasePriorityPrivilege	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe
Token: SeBackupPrivilege	2196	TiWorker.exe
Token: SeRestorePrivilege	2196	TiWorker.exe
Token: SeSecurityPrivilege	2196	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.execmd.exe

description	pid	process	target process
PID 2556 wrote to memory of 1648	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	MediaCenter.exe
PID 2556 wrote to memory of 1648	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	MediaCenter.exe
PID 2556 wrote to memory of 1648	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	MediaCenter.exe
PID 2556 wrote to memory of 3640	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	cmd.exe
PID 2556 wrote to memory of 3640	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	cmd.exe
PID 2556 wrote to memory of 3640	2556	18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe	cmd.exe
PID 3640 wrote to memory of 3216	3640	cmd.exe	PING.EXE
PID 3640 wrote to memory of 3216	3640	cmd.exe	PING.EXE
PID 3640 wrote to memory of 3216	3640	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe
"C:\Users\Admin\AppData\Local\Temp\18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2556

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18e723d7990c3e4db6e8376064f7bff494754ace03f104c58a0ca18f83ac252d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3640

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3216

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1364

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:1416

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:2196

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
fee7e7ca29e6db9eaad30a229114b05a

SHA1
15fb92e29ac525f3fb08048d51153e437664512e

SHA256
40a8aba1fde5419f5d7e52d153456a8d162d81ca31db03f4769415d59d3ad093

SHA512
922a60b9bc3e8c22bb8c4c5f2737940df7af4feb4e1ee03483c66f802e83ddc35041cf91debf3863c2970ca8b689f21931d3c7a5764c9c260e6ef11629166eab

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

MD5
fee7e7ca29e6db9eaad30a229114b05a

SHA1
15fb92e29ac525f3fb08048d51153e437664512e

SHA256
40a8aba1fde5419f5d7e52d153456a8d162d81ca31db03f4769415d59d3ad093

SHA512
922a60b9bc3e8c22bb8c4c5f2737940df7af4feb4e1ee03483c66f802e83ddc35041cf91debf3863c2970ca8b689f21931d3c7a5764c9c260e6ef11629166eab

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads