sakula | 1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19

General

Target

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe
Size

80KB
MD5

a9bb10c9327c112347e3b3e89158fff5
SHA1

4b197b066936d05e3fd3c21d673d845f50040421
SHA256

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19
SHA512

3c8048b11b7151c84fb504c632013ae5bdae81ed93ea72905b6bbf0f43cdc552cb9b28fc65eaa6c9eac0703d7a9be091e243301e89566370a0b801287352263d

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

3668 MediaCenter.exe

pid	process
3668	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:

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.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"	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	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
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1828 PING.EXE

pid	process
1828	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exesvchost.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe
Token: SeShutdownPrivilege	5024	svchost.exe
Token: SeCreatePagefilePrivilege	5024	svchost.exe
Token: SeShutdownPrivilege	5024	svchost.exe
Token: SeCreatePagefilePrivilege	5024	svchost.exe
Token: SeShutdownPrivilege	5024	svchost.exe
Token: SeCreatePagefilePrivilege	5024	svchost.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe
Token: SeBackupPrivilege	1236	TiWorker.exe
Token: SeRestorePrivilege	1236	TiWorker.exe
Token: SeSecurityPrivilege	1236	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.execmd.exe

description	pid	process	target process
PID 3136 wrote to memory of 3668	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	MediaCenter.exe
PID 3136 wrote to memory of 3668	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	MediaCenter.exe
PID 3136 wrote to memory of 3668	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	MediaCenter.exe
PID 3136 wrote to memory of 1980	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	cmd.exe
PID 3136 wrote to memory of 1980	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	cmd.exe
PID 3136 wrote to memory of 1980	3136	1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe	cmd.exe
PID 1980 wrote to memory of 1828	1980	cmd.exe	PING.EXE
PID 1980 wrote to memory of 1828	1980	cmd.exe	PING.EXE
PID 1980 wrote to memory of 1828	1980	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe
"C:\Users\Admin\AppData\Local\Temp\1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3668

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\1131f956aaccd7d07bf18c8d07e4d07ed5d4dc6c69ac7011de0831440afb3a19.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1980

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5024

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:1236

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

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
2cabfd448cae6c494c1fb9a865aa0891

SHA1
cf5b9d5cefdba8e1162d50939db3ceac4579a4ee

SHA256
5a9b8ba166138a1aff301c8df2343e71606421d7cfc8c52a5d7967687956ed7a

SHA512
e3129d3f9003df0f28695e62dce1ab4398367e5af7c71ab09eb1eadc1ccb92f63b81d9671c6d57145c01b8464548726c913629aadeb99e7a673790fc61ce3b97

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

MD5
2cabfd448cae6c494c1fb9a865aa0891

SHA1
cf5b9d5cefdba8e1162d50939db3ceac4579a4ee

SHA256
5a9b8ba166138a1aff301c8df2343e71606421d7cfc8c52a5d7967687956ed7a

SHA512
e3129d3f9003df0f28695e62dce1ab4398367e5af7c71ab09eb1eadc1ccb92f63b81d9671c6d57145c01b8464548726c913629aadeb99e7a673790fc61ce3b97

Download Submit
memory/5024-132-0x0000020D7B580000-0x0000020D7B590000-memory.dmp

Filesize
64KB

Download
memory/5024-133-0x0000020D7BD60000-0x0000020D7BD70000-memory.dmp

Filesize
64KB

Download
memory/5024-134-0x0000020D7E960000-0x0000020D7E964000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads