sakula | 191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b

General

Target

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe
Size

99KB
MD5

e67a768d42802365f4e67b692939a50c
SHA1

649e0ae34acea76ded16d47f404aff4c5e139420
SHA256

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b
SHA512

5f802a6f2941184fa12e31340b2bc76e85d9d2150fbd3be716ec275c952f15378b134d4ee5fca3f6475eaa2a66504414cac1aef8ce72d5db6e7aefc8eec24f88

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

3252 MediaCenter.exe

pid	process
3252	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:

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.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"	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.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
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\Config\KVFileExpirationTime = "132892845861732173"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.846324"	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\UploadMonthlyInternetBytes = "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\FrDownloadRatePct = "90"	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\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 (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\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\BkDownloadRatePct = "45"	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\MemoryUsageKB = "4088"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4300"	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\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\CDNConnectionCount = "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\InternetConnectionCount = "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\DownloadMonthlyLanBytes = "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\PriorityDownloadPendingCount = "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\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\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\UploadCount = "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\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\UplinkUsageBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "10.908889"	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\UploadMonthlyLanBytes = "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\DownloadMonthlyRateFrCnt = "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\CacheSizeBytes = "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\UplinkBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3436 PING.EXE

pid	process
3436	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.execmd.exe

description	pid	process	target process
PID 4072 wrote to memory of 3252	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	MediaCenter.exe
PID 4072 wrote to memory of 3252	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	MediaCenter.exe
PID 4072 wrote to memory of 3252	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	MediaCenter.exe
PID 4072 wrote to memory of 1064	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	cmd.exe
PID 4072 wrote to memory of 1064	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	cmd.exe
PID 4072 wrote to memory of 1064	4072	191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe	cmd.exe
PID 1064 wrote to memory of 3436	1064	cmd.exe	PING.EXE
PID 1064 wrote to memory of 3436	1064	cmd.exe	PING.EXE
PID 1064 wrote to memory of 3436	1064	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe
"C:\Users\Admin\AppData\Local\Temp\191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4072

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3252

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\191d58388535debe9486a0611db2d9ce88ac59ee8dd363f3e36a0bd15008382b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3436

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2972

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:828

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:3704

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
58f758c01c225e90867510d7c5c66589

SHA1
4b6093e759af5841583ff1b95e19d2b3c550db19

SHA256
236d292702eecd5f9492a45dade5d922ec3ad69979ff61812c10d6a96987c12a

SHA512
4fb3c33526cda971bc99b3b3c23d03d0a96c9c1ab2dfff4fa029929bc576afa1d1c6b5d41f4dde7594725ae8d02626ba9f7db7228be77f23e5b13eae3f4b9c13

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

MD5
58f758c01c225e90867510d7c5c66589

SHA1
4b6093e759af5841583ff1b95e19d2b3c550db19

SHA256
236d292702eecd5f9492a45dade5d922ec3ad69979ff61812c10d6a96987c12a

SHA512
4fb3c33526cda971bc99b3b3c23d03d0a96c9c1ab2dfff4fa029929bc576afa1d1c6b5d41f4dde7594725ae8d02626ba9f7db7228be77f23e5b13eae3f4b9c13

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads