sakula | 041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c

General

Target

041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe
Size

99KB
MD5

900536be2d7520819c5dbd6396b20feb
SHA1

39c2e50b36a8b0598ad2fed45806455f52f27b29
SHA256

041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c
SHA512

960803aacbf62b76f130235d9e7d867edc686ce783d9a29b3d99f6f9fccb40704aa95d632b42cb6593f649d26133559b288960d8f3ab9f341692e796cb2e6c49

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

3924 MediaCenter.exe

pid	process
3924	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:

041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.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"	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\CacheSizeBytes = "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\LANConnectionCount = "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\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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\MonthID = "2"	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
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\Config	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\DownloadMonthlyRateBkBps = "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\NormalDownloadPendingCount = "0"	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\SwarmCount = "0"	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\InternetConnectionCount = "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\MemoryUsageKB = "4148"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166882"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3988"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132893167320167536"	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\Config\DODownloadMode = "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\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\DownloadMonthlyRateFrCnt = "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\NormalDownloadCount = "0"	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\DownloadMonthlyRateBkCnt = "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\CDNConnectionCount = "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\Config\DownloadMode_BackCompat = "1"	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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "9.848494"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1292 PING.EXE

pid	process
1292	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe

description	pid	process
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeIncBasePriorityPrivilege	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe
Token: SeBackupPrivilege	2500	TiWorker.exe
Token: SeRestorePrivilege	2500	TiWorker.exe
Token: SeSecurityPrivilege	2500	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.execmd.exe

description	pid	process	target process
PID 1824 wrote to memory of 3924	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	MediaCenter.exe
PID 1824 wrote to memory of 3924	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	MediaCenter.exe
PID 1824 wrote to memory of 3924	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	MediaCenter.exe
PID 1824 wrote to memory of 1876	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	cmd.exe
PID 1824 wrote to memory of 1876	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	cmd.exe
PID 1824 wrote to memory of 1876	1824	041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe	cmd.exe
PID 1876 wrote to memory of 1292	1876	cmd.exe	PING.EXE
PID 1876 wrote to memory of 1292	1876	cmd.exe	PING.EXE
PID 1876 wrote to memory of 1292	1876	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe
"C:\Users\Admin\AppData\Local\Temp\041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3924

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\041c9a7f345f86bacb884dc01fd8cc33f2c01439ff5aa87a3c08d299deea959c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1292

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1620

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:872

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:2500

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
9f76dd65f932914dfd44233aa3de96ec

SHA1
afe34c5e0743acc0a6ead8d9a61d2c764f920ec8

SHA256
6763e5b78734cb0df495dbf78df39c4528d0921feb93366feb6372472618689e

SHA512
32a5b5e3c9bcba290e51598358f9ff3288e010f213d75a690106a3d0249848767a35b52c098657e83259752079fd0c4d244afb66e94e3dc9a3322b0067584e7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
MD5
9f76dd65f932914dfd44233aa3de96ec

SHA1
afe34c5e0743acc0a6ead8d9a61d2c764f920ec8

SHA256
6763e5b78734cb0df495dbf78df39c4528d0921feb93366feb6372472618689e

SHA512
32a5b5e3c9bcba290e51598358f9ff3288e010f213d75a690106a3d0249848767a35b52c098657e83259752079fd0c4d244afb66e94e3dc9a3322b0067584e7b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads