sakula | 125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5

General

Target

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe
Size

58KB
MD5

c4b9d5cbeeca214c70b01c7790f51720
SHA1

2bde150ed7e0ebbc0c1f2b2702d474ef9d9d3f34
SHA256

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5
SHA512

91ccb32715340febeabae36860485af8c86ffc86c2a3be8eb4cff843d827843a319e3c31e3c2cb0b7aeb9eb45336642dcef3608cee8b3710d27010fe9debe744

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

2168 MediaCenter.exe

pid	process
2168	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:

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.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"	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exeMusNotifyIcon.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
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\PriorityDownloadPendingCount = "0"	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 (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 (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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.249707"	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\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\DownloadMonthlyRateFrCnt = "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\MemoryUsageKB = "4236"	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\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\CacheSizeBytes = "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\InternetConnectionCount = "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\DownlinkUsageBps = "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\Usage\DownloadMonthlyLanBytes = "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\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\UplinkBps = "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\DODownloadMode = "1"	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\PriorityDownloadCount = "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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.115249"	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\Config\KVFileExpirationTime = "132892941648118166"	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 (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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyRateBkBps = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1528 PING.EXE

pid	process
1528	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe
Token: SeBackupPrivilege	2356	TiWorker.exe
Token: SeRestorePrivilege	2356	TiWorker.exe
Token: SeSecurityPrivilege	2356	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.execmd.exe

description	pid	process	target process
PID 1128 wrote to memory of 2168	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	MediaCenter.exe
PID 1128 wrote to memory of 2168	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	MediaCenter.exe
PID 1128 wrote to memory of 2168	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	MediaCenter.exe
PID 1128 wrote to memory of 3780	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	cmd.exe
PID 1128 wrote to memory of 3780	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	cmd.exe
PID 1128 wrote to memory of 3780	1128	125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe	cmd.exe
PID 3780 wrote to memory of 1528	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 1528	3780	cmd.exe	PING.EXE
PID 3780 wrote to memory of 1528	3780	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe
"C:\Users\Admin\AppData\Local\Temp\125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2168

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\125c2256d297ca5248637cf64c6e90dfcf04cfcdd09951d679dda1522b30d8b5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3780

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1528

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:384

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:3552

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3504

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:2356

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
e9e5f371f193d7680e3de792e6dc4bcd

SHA1
33b1cc8666ed31a7436b0afa88e26ab258ea5399

SHA256
2b417aaebc04f1849d51f34d3ad05b73041e1131a3bdeaf4f1edc57ed838b507

SHA512
6c940a3a23b2160055179a91cdfff5da269eae8f8b079b5a8a70308d50a7f0c54a9cde480f6d02ba037dd58a3d89083b315239658349e41f2f4bb8380fa91ea5

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

MD5
e9e5f371f193d7680e3de792e6dc4bcd

SHA1
33b1cc8666ed31a7436b0afa88e26ab258ea5399

SHA256
2b417aaebc04f1849d51f34d3ad05b73041e1131a3bdeaf4f1edc57ed838b507

SHA512
6c940a3a23b2160055179a91cdfff5da269eae8f8b079b5a8a70308d50a7f0c54a9cde480f6d02ba037dd58a3d89083b315239658349e41f2f4bb8380fa91ea5

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads