sakula | 136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d

General

Target

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe
Size

101KB
MD5

f27bf731faf6012b38f73e397b82d431
SHA1

63c2a46f070268c1164b5b39c0d6a22873e2a769
SHA256

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d
SHA512

c133364da007bb6c765ced53556ce573eff591c20c9d18348d25c092122acbcddbf4b40b0f138baadc7386689b9ea9abde67b8d0a76a557dfb01857e30160989

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

1980 MediaCenter.exe

pid	process
1980	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:

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.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"	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.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\Logs\CBS\CBS.log	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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\PriorityDownloadPendingCount = "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\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "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\GroupConnectionCount = "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\MemoryUsageKB = "4084"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4248"	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\DownloadMonthlyInternetBytes = "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\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.093516"	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\DownloadMonthlyLanBytes = "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\PeerInfoCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.340715"	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 = "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\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "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\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\Config\DownloadMode_BackCompat = "1"	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\BkDownloadRatePct = "45"	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\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	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
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\DownloadMonthlyRateBkBps = "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\CDNConnectionCount = "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\UploadMonthlyInternetBytes = "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\Config\KVFileExpirationTime = "132892928134423169"	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\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

832 PING.EXE

pid	process
832	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe
Token: SeBackupPrivilege	4064	TiWorker.exe
Token: SeRestorePrivilege	4064	TiWorker.exe
Token: SeSecurityPrivilege	4064	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.execmd.exe

description	pid	process	target process
PID 332 wrote to memory of 1980	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	MediaCenter.exe
PID 332 wrote to memory of 1980	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	MediaCenter.exe
PID 332 wrote to memory of 1980	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	MediaCenter.exe
PID 332 wrote to memory of 216	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	cmd.exe
PID 332 wrote to memory of 216	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	cmd.exe
PID 332 wrote to memory of 216	332	136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe	cmd.exe
PID 216 wrote to memory of 832	216	cmd.exe	PING.EXE
PID 216 wrote to memory of 832	216	cmd.exe	PING.EXE
PID 216 wrote to memory of 832	216	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe
"C:\Users\Admin\AppData\Local\Temp\136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:332

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\136ef9ed372701643c8453060b033289272fb458dbcb2fb04481446093df505d.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:216

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:832

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1940

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:1372

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:4064

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
ee707d2301bd9edf7c40f6f2cf92d44c

SHA1
9280608aee6dca143e26ba5a98155cf960e3ded1

SHA256
6f575d11ca45bae61f80d99a897c765a608a0807737f75e47a8e5f39e29609bb

SHA512
27d9f1ce5fd11e520aab3b0e84602d2f1b09da21afc163fe3c6c3e61b54b7c7c76b070900b7cd7abf33515f5382a60f3a4e3732182ae7c72f6b9c74bf89bb4cd

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

MD5
ee707d2301bd9edf7c40f6f2cf92d44c

SHA1
9280608aee6dca143e26ba5a98155cf960e3ded1

SHA256
6f575d11ca45bae61f80d99a897c765a608a0807737f75e47a8e5f39e29609bb

SHA512
27d9f1ce5fd11e520aab3b0e84602d2f1b09da21afc163fe3c6c3e61b54b7c7c76b070900b7cd7abf33515f5382a60f3a4e3732182ae7c72f6b9c74bf89bb4cd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads