sakula | 00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213

General

Target

00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe
Size

60KB
MD5

8ae24c8a2147f2355d97f7b4c4f2b664
SHA1

c394bef7e960d40d692ebebad03ac76a8da177dc
SHA256

00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213
SHA512

7ffa67ad320ab0d904534a746782013ae51277415730db94a6599346d8dcd42d6894364df0ed85929194664f621c40d5c9966695b7131d4b05dc4ae42c963382

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

1064 MediaCenter.exe

pid	process
1064	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:

00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.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"	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\MonthID = "2"	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\InternetConnectionCount = "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 = "0.215517"	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\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893214325163524"	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\PriorityDownloadCount = "0"	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	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\DownloadMonthlyRateFrCnt = "0"	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\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.124888"	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\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\DownloadMonthlyCacheHostBytes = "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\GroupConnectionCount = "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\MemoryUsageKB = "4304"	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\UploadMonthlyLanBytes = "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\UplinkBps = "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\PriorityDownloadPendingCount = "0"	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\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\LANConnectionCount = "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\Usage\SwarmCount = "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\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\MemoryUsageKB = "4212"	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\CacheSizeBytes = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2056 PING.EXE

pid	process
2056	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe

description	pid	process
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe
Token: SeBackupPrivilege	3508	TiWorker.exe
Token: SeRestorePrivilege	3508	TiWorker.exe
Token: SeSecurityPrivilege	3508	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.execmd.exe

description	pid	process	target process
PID 1048 wrote to memory of 1064	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	MediaCenter.exe
PID 1048 wrote to memory of 1064	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	MediaCenter.exe
PID 1048 wrote to memory of 1064	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	MediaCenter.exe
PID 1048 wrote to memory of 3868	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	cmd.exe
PID 1048 wrote to memory of 3868	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	cmd.exe
PID 1048 wrote to memory of 3868	1048	00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe	cmd.exe
PID 3868 wrote to memory of 2056	3868	cmd.exe	PING.EXE
PID 3868 wrote to memory of 2056	3868	cmd.exe	PING.EXE
PID 3868 wrote to memory of 2056	3868	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe
"C:\Users\Admin\AppData\Local\Temp\00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1064

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\00040ad890146e8845022657aade087f11a3c49326cf1ef5475f1ffe919c9213.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3868

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2056

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3572

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:3576

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:3508

Network

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

3

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
2e05fbfdc8506261fc767871416cd066

SHA1
33963b2e47b837f78b16d76779adcdb5c0a5781e

SHA256
55200822ac36e8a62b61927e07dccfaee438dd8319d668615398421e4a26169e

SHA512
77a9dba7bee954f1ee3d8ea6b7814ffc3a300275b5fd332f74c0ef0c11e843e3f284e5b4f06706dde8dfce72e9bbec1e97aab0372a0dab51012051803da624b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
2e05fbfdc8506261fc767871416cd066

SHA1
33963b2e47b837f78b16d76779adcdb5c0a5781e

SHA256
55200822ac36e8a62b61927e07dccfaee438dd8319d668615398421e4a26169e

SHA512
77a9dba7bee954f1ee3d8ea6b7814ffc3a300275b5fd332f74c0ef0c11e843e3f284e5b4f06706dde8dfce72e9bbec1e97aab0372a0dab51012051803da624b6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads