sakula | 18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38

General

Target

18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe
Size

120KB
MD5

8d55e1cb2139aa9725740dc00a6d1481
SHA1

b841b7c825c82a0c34c0ce63e708e34d18e5b03d
SHA256

18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38
SHA512

ae0007dad6812152bf39e97fa49030eaa5fe5f1a6657a10a5e0b0b45f386bb60921c833670c83c07bc261e2df873499006849bb62f25de2c841dd689cb5319f4

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 4 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
behavioral2/memory/4424-138-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/4896-139-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

4896 MediaCenter.exe

pid	process
4896	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:

18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.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"	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
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
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

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

1816 PING.EXE

pid	process
1816	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe

description	pid	process
Token: SeShutdownPrivilege	4228	svchost.exe
Token: SeCreatePagefilePrivilege	4228	svchost.exe
Token: SeShutdownPrivilege	4228	svchost.exe
Token: SeCreatePagefilePrivilege	4228	svchost.exe
Token: SeShutdownPrivilege	4228	svchost.exe
Token: SeCreatePagefilePrivilege	4228	svchost.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeIncBasePriorityPrivilege	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe
Token: SeBackupPrivilege	4340	TiWorker.exe
Token: SeRestorePrivilege	4340	TiWorker.exe
Token: SeSecurityPrivilege	4340	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.execmd.exe

description	pid	process	target process
PID 4424 wrote to memory of 4896	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	MediaCenter.exe
PID 4424 wrote to memory of 4896	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	MediaCenter.exe
PID 4424 wrote to memory of 4896	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	MediaCenter.exe
PID 4424 wrote to memory of 4120	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	cmd.exe
PID 4424 wrote to memory of 4120	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	cmd.exe
PID 4424 wrote to memory of 4120	4424	18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe	cmd.exe
PID 4120 wrote to memory of 1816	4120	cmd.exe	PING.EXE
PID 4120 wrote to memory of 1816	4120	cmd.exe	PING.EXE
PID 4120 wrote to memory of 1816	4120	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe
"C:\Users\Admin\AppData\Local\Temp\18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4424

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18f6222cb90d0e4aa3f6378e4606dc3200e8726730f99301ac499e1030dd7b38.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4120

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:1816

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:4228

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:4340

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
4343c0bc868b30403a505c74bcf15d3d

SHA1
dc8e8e798beebbd47c8c9734faeb920365302f09

SHA256
76dcdecbdfa55e7e2f4113c19fe51534882254d34e5054209941e1de1b71bdab

SHA512
c3a3e6c1e52caec5ac7bd1c9d0ecd9b8f8ff9fab3c82a2821648ee7635042cb58d3c783d320d505ed298ca638672fd6266b277a206ed542733c24c7d47df931f

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

MD5
4343c0bc868b30403a505c74bcf15d3d

SHA1
dc8e8e798beebbd47c8c9734faeb920365302f09

SHA256
76dcdecbdfa55e7e2f4113c19fe51534882254d34e5054209941e1de1b71bdab

SHA512
c3a3e6c1e52caec5ac7bd1c9d0ecd9b8f8ff9fab3c82a2821648ee7635042cb58d3c783d320d505ed298ca638672fd6266b277a206ed542733c24c7d47df931f

Download Submit
memory/4228-135-0x000001C060930000-0x000001C060940000-memory.dmp

Filesize
64KB

Download
memory/4228-136-0x000001C060990000-0x000001C0609A0000-memory.dmp

Filesize
64KB

Download
memory/4228-137-0x000001C063690000-0x000001C063694000-memory.dmp

Filesize
16KB

Download
memory/4424-138-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4896-139-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads