sakula | 12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a

General

Target

12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe
Size

89KB
MD5

31793b76b368527865a2016476fac6a7
SHA1

53c268b87fdfd57e3ebafe8cf3f9cf3b32736fda
SHA256

12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a
SHA512

fc18c14a4a4f047888d59f10922fc4bf8d71297598a1fb7306d500415918a0cc1ee7d4d55a000e4e574289595ca930ff01beca7eb20d935a9cf57207bdd209f2

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

1144 MediaCenter.exe

pid	process
1144	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:

12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.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"	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\InternetConnectionCount = "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\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "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\CacheSizeBytes = "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\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.476193"	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\DownloadMonthlyGroupBytes = "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\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\DownloadMonthlyLinkLocalBytes = "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\FrDownloadRatePct = "90"	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\UploadRatePct = "100"	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\Usage\CPUpct = "0.494075"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4040"	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\DODownloadMode = "1"	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\MonthlyUploadRestriction = "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 = "4204"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.785784"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3864"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.014190"	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\DownloadMonthlyInternetBytes = "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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "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\UploadMonthlyLanBytes = "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\Config\KVFileExpirationTime = "132892934837739910"	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.exe12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe

description	pid	process
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeIncBasePriorityPrivilege	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe
Token: SeBackupPrivilege	3296	TiWorker.exe
Token: SeRestorePrivilege	3296	TiWorker.exe
Token: SeSecurityPrivilege	3296	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.execmd.exe

description	pid	process	target process
PID 3704 wrote to memory of 1144	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	MediaCenter.exe
PID 3704 wrote to memory of 1144	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	MediaCenter.exe
PID 3704 wrote to memory of 1144	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	MediaCenter.exe
PID 3704 wrote to memory of 920	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	cmd.exe
PID 3704 wrote to memory of 920	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	cmd.exe
PID 3704 wrote to memory of 920	3704	12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe	cmd.exe
PID 920 wrote to memory of 3980	920	cmd.exe	PING.EXE
PID 920 wrote to memory of 3980	920	cmd.exe	PING.EXE
PID 920 wrote to memory of 3980	920	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe
"C:\Users\Admin\AppData\Local\Temp\12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\12d953f1d088be8ec707df0b47620d5ddb1a0fc95812e7b56e2d86318e213e4a.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:920

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:1640

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:2416

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:3296

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
b7edd011b7f256a8c4cefbf0d824b167

SHA1
500c93d139308424565450085a2c9f35431988f6

SHA256
b886f7f581061673554e0f79fcbeccf0d781604ad79366bf5a2953ed27e62e97

SHA512
4efe6fb3214e2353cc1f7dfe169433db53ef67e228f10d9ac2c87b94099bc1bfa93efd23b70e8b9e506957b01b2ad2d885b0c75a76faf89dfbc297e29c85e136

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

MD5
b7edd011b7f256a8c4cefbf0d824b167

SHA1
500c93d139308424565450085a2c9f35431988f6

SHA256
b886f7f581061673554e0f79fcbeccf0d781604ad79366bf5a2953ed27e62e97

SHA512
4efe6fb3214e2353cc1f7dfe169433db53ef67e228f10d9ac2c87b94099bc1bfa93efd23b70e8b9e506957b01b2ad2d885b0c75a76faf89dfbc297e29c85e136

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads