sakula | 13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64

General

Target

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe
Size

150KB
MD5

79343546aa0029b179bf0ddc0cd08163
SHA1

0aac69ca8bbc4ecd48d01aa02766e5f955757a55
SHA256

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64
SHA512

7d35c5ecfb1323795e66e570b6055092ee9ded6e889b3ba7d93face0963e3b4b9e567e71f6a5c07e5b2d91f787bfea8cc9b34c175e168d73ad72b41c2ff3106b

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

3712 MediaCenter.exe

pid	process
3712	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:

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.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"	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.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 49 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyInternetBytes = "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\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892933380923524"	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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "20.000896"	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\CDNConnectionCount = "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\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4344"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "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\InternetConnectionCount = "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
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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\UplinkUsageBps = "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\PriorityDownloadPendingCount = "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\DownlinkUsageBps = "0"	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 = "1.528393"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.272552"	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\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\LinkLocalConnectionCount = "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\NormalDownloadPendingCount = "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\MemoryUsageKB = "4156"	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\UplinkBps = "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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2868 PING.EXE

pid	process
2868	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe
Token: SeBackupPrivilege	3032	TiWorker.exe
Token: SeRestorePrivilege	3032	TiWorker.exe
Token: SeSecurityPrivilege	3032	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.execmd.exe

description	pid	process	target process
PID 220 wrote to memory of 3712	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	MediaCenter.exe
PID 220 wrote to memory of 3712	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	MediaCenter.exe
PID 220 wrote to memory of 3712	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	MediaCenter.exe
PID 220 wrote to memory of 1792	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	cmd.exe
PID 220 wrote to memory of 1792	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	cmd.exe
PID 220 wrote to memory of 1792	220	13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe	cmd.exe
PID 1792 wrote to memory of 2868	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 2868	1792	cmd.exe	PING.EXE
PID 1792 wrote to memory of 2868	1792	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe
"C:\Users\Admin\AppData\Local\Temp\13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:220

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3712

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13107bd9e1418485866a057910fc56226cabc01aabcf9909121f0ee08910ee64.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1792

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2868

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1744

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:3900

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:3032

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
f8fa08a68e5a4c9a61952fe1906320b1

SHA1
79d8f62ae544ee08b1e87aaa3b387bb92b43147a

SHA256
4fcd0d0c60bd553e47cabfa55eb73c07992eaef494d1d8ddab03046bee6c2c43

SHA512
065b7e2a0674e77c9de19386263e629b69bb7a9437dcd263613698dcee3fe89a4c6b796715fa84511a4fb5bf940d343c46932dd928abd3a94eabc2cd22ba1249

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

MD5
f8fa08a68e5a4c9a61952fe1906320b1

SHA1
79d8f62ae544ee08b1e87aaa3b387bb92b43147a

SHA256
4fcd0d0c60bd553e47cabfa55eb73c07992eaef494d1d8ddab03046bee6c2c43

SHA512
065b7e2a0674e77c9de19386263e629b69bb7a9437dcd263613698dcee3fe89a4c6b796715fa84511a4fb5bf940d343c46932dd928abd3a94eabc2cd22ba1249

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads