sakula | 157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c

General

Target

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe
Size

176KB
MD5

774de686b56edf644587f52afcab9aa2
SHA1

a10df967d623249f4552db136f9b3ecde7ed89be
SHA256

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c
SHA512

dbf60fc7c2826b5e56ec3aaf01ae8d85fe34db7b1bfd00cc6fb61ea17c7ac23047dd3da000a169d926af198129252b74f01812681586bcd0072b0b2bc1e83b52

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 3 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
behavioral2/memory/1960-132-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3936 MediaCenter.exe

pid	process
3936	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:

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.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"	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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\Usage	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\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\SwarmCount = "1"	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\Usage\DownloadMonthlyLanBytes = "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\CacheSizeBytes = "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
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.635326"	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\Usage\CPUpct = "7.141806"	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\Config\DODownloadMode = "1"	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\Config\KVFileExpirationTime = "132892897731747451"	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\DownlinkBps = "0"	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\MonthlyUploadRestriction = "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 = "4176"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4296"	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\InternetConnectionCount = "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 (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	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\DownloadMonthlyRateFrBps = "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\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\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.062893"	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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1036 PING.EXE

pid	process
1036	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe
Token: SeBackupPrivilege	3804	TiWorker.exe
Token: SeRestorePrivilege	3804	TiWorker.exe
Token: SeSecurityPrivilege	3804	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.execmd.exe

description	pid	process	target process
PID 1960 wrote to memory of 3936	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	MediaCenter.exe
PID 1960 wrote to memory of 3936	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	MediaCenter.exe
PID 1960 wrote to memory of 3936	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	MediaCenter.exe
PID 1960 wrote to memory of 3424	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	cmd.exe
PID 1960 wrote to memory of 3424	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	cmd.exe
PID 1960 wrote to memory of 3424	1960	157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe	cmd.exe
PID 3424 wrote to memory of 1036	3424	cmd.exe	PING.EXE
PID 3424 wrote to memory of 1036	3424	cmd.exe	PING.EXE
PID 3424 wrote to memory of 1036	3424	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe
"C:\Users\Admin\AppData\Local\Temp\157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3936

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\157648200dcd197b2dcdb4524dada7f8221f5bffcfcd616f9fb5e3e859ee618c.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1036

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
1⤵
- Checks processor information in registry
PID:1240

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:2716

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:3804

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
f5ea779aafe6815a5a9148fa5b393f3c

SHA1
b1c66ddce0895c7238f56b945269e0ea14c50298

SHA256
b96320791c39616dc388fcd70097a1d9e334815d905f017ead9f78334a4c0081

SHA512
af3f495a2f9a72e63a36e02865c139f9146feaece5ca8957161029bb42d4d9cfecba1b1c7ba4385a73ba7c6981279d8446e0bf2e6e35f80e28c68b9bb8d32533

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

MD5
f5ea779aafe6815a5a9148fa5b393f3c

SHA1
b1c66ddce0895c7238f56b945269e0ea14c50298

SHA256
b96320791c39616dc388fcd70097a1d9e334815d905f017ead9f78334a4c0081

SHA512
af3f495a2f9a72e63a36e02865c139f9146feaece5ca8957161029bb42d4d9cfecba1b1c7ba4385a73ba7c6981279d8446e0bf2e6e35f80e28c68b9bb8d32533

Download Submit
memory/1960-132-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads