sakula | 184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619

General

Target

184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe
Size

80KB
MD5

cec64bcb7938bc0315467975841036a8
SHA1

6ae33b649309cfb7800ec9ba73ded95355937a22
SHA256

184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619
SHA512

70d7f023e9bc2e79c69c0eb9ca03a9154a2bf3a884e76b0d31bf8e3f12c5ac4753392587a65336f8f276783e46e6f382f516bd277c84ca9564b196f0d8fcfdff

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

1448 MediaCenter.exe

pid	process
1448	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:

184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.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"	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyRateFrBps = "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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "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\Config\DODownloadMode = "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\MonthID = "2"	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\UploadRatePct = "100"	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 = "8.334365"	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\DownloadMonthlyCdnBytes = "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\CacheSizeBytes = "0"	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\NormalDownloadCount = "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\DownloadMonthlyInternetBytes = "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\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\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 (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013187"	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\LANConnectionCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.571275"	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\KVFileExpirationTime = "132892856450521234"	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\PeerInfoCount = "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 = "4080"	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\DownloadMonthlyRateFrCnt = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4280"	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\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\BkDownloadRatePct = "45"	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 = "3884"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3980 PING.EXE

pid	process
3980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.execmd.exe

description	pid	process	target process
PID 1092 wrote to memory of 1448	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	MediaCenter.exe
PID 1092 wrote to memory of 1448	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	MediaCenter.exe
PID 1092 wrote to memory of 1448	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	MediaCenter.exe
PID 1092 wrote to memory of 2096	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	cmd.exe
PID 1092 wrote to memory of 2096	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	cmd.exe
PID 1092 wrote to memory of 2096	1092	184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe	cmd.exe
PID 2096 wrote to memory of 3980	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 3980	2096	cmd.exe	PING.EXE
PID 2096 wrote to memory of 3980	2096	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe
"C:\Users\Admin\AppData\Local\Temp\184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1448

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\184f98ae48e0c9e46953de1eba24a411489b8c6a4d0c773662b6822a179c6619.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3980

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1292

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:3400

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:2608

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
dc168bee08df56ab373c74212d14b4e1

SHA1
1b71c6c9f5a92124da6191a7db426062d8ec0179

SHA256
1830f781e679da01eba1739696a4973a24e63f827027577483d0d948d29e9d35

SHA512
2b4bcda97eed10c0394c8cb57781d3680f1c8e2529dc8833156c01c55b54647a59a53ceb4a46aff47b4a91729de306290ce8368069bf713f34572bc9273454e0

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

MD5
dc168bee08df56ab373c74212d14b4e1

SHA1
1b71c6c9f5a92124da6191a7db426062d8ec0179

SHA256
1830f781e679da01eba1739696a4973a24e63f827027577483d0d948d29e9d35

SHA512
2b4bcda97eed10c0394c8cb57781d3680f1c8e2529dc8833156c01c55b54647a59a53ceb4a46aff47b4a91729de306290ce8368069bf713f34572bc9273454e0

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads