sakula | 13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b

General

Target

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe
Size

79KB
MD5

8b1015bd166f714f4b0eaba12eb7fdb3
SHA1

6e06e26af0f2f1efca27403ee524a02e49cb19b7
SHA256

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b
SHA512

cd8e2b54ab016af00e25f423b2a288b7d2565421ac538d6be83582185f56ce94614c2a2c5749a7302d229944f5cc4ea4ac6165de92a562dd4b397697fd0813cf

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

2980 MediaCenter.exe

pid	process
2980	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:

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.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"	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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\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\DownloadMonthlyRateBkCnt = "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\PriorityDownloadPendingCount = "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 = "4196"	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\SwarmCount = "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\DownloadMonthlyCdnBytes = "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\BkDownloadRatePct = "45"	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\GroupConnectionCount = "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\DownloadMonthlyCacheHostBytes = "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\PriorityDownloadCount = "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\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\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892921852635311"	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\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\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\Config\DODownloadMode = "1"	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\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\SwarmCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.040225"	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\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\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\UplinkUsageBps = "0"	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 = "0.922143"	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\MemoryUsageKB = "4120"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

980 PING.EXE

pid	process
980	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe
Token: SeBackupPrivilege	2280	TiWorker.exe
Token: SeRestorePrivilege	2280	TiWorker.exe
Token: SeSecurityPrivilege	2280	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 2980	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	MediaCenter.exe
PID 2024 wrote to memory of 2980	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	MediaCenter.exe
PID 2024 wrote to memory of 2980	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	MediaCenter.exe
PID 2024 wrote to memory of 1712	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	cmd.exe
PID 2024 wrote to memory of 1712	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	cmd.exe
PID 2024 wrote to memory of 1712	2024	13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe	cmd.exe
PID 1712 wrote to memory of 980	1712	cmd.exe	PING.EXE
PID 1712 wrote to memory of 980	1712	cmd.exe	PING.EXE
PID 1712 wrote to memory of 980	1712	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe
"C:\Users\Admin\AppData\Local\Temp\13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:2980

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\13d5410a27f3021149cd9e56b2b7a3f432d526ace30bc2cf3cf7dbcf24e0eb4b.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:980

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:1996

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:4036

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:2280

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
b6e6206cd6ac062938ef554ee2518715

SHA1
fd79ee2822e8281fff56b0a16b99e3a6fc038cb1

SHA256
f44f0027b9e7747d32518bb6fcb93df3487cb68bb0de4d03ad7e5908fb78e78c

SHA512
b1db088c34d12ccecb58d4d12bba5a7fcffe1c7a630d5c305145806f5f1de5e212afb279b98e613d5b464f0ac6dd7662968d08cb8dc1329b1cb812bac133088f

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

MD5
b6e6206cd6ac062938ef554ee2518715

SHA1
fd79ee2822e8281fff56b0a16b99e3a6fc038cb1

SHA256
f44f0027b9e7747d32518bb6fcb93df3487cb68bb0de4d03ad7e5908fb78e78c

SHA512
b1db088c34d12ccecb58d4d12bba5a7fcffe1c7a630d5c305145806f5f1de5e212afb279b98e613d5b464f0ac6dd7662968d08cb8dc1329b1cb812bac133088f

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads