sakula | 137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1

General

Target

137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe
Size

150KB
MD5

8de77a87e864e20ce3c6e30f943e3ff2
SHA1

8ce46c7686225a30297b96a3624f53a1d55061cf
SHA256

137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1
SHA512

9c6d9db494d56a8287d19ca5cd40082a4338210d3bb2858b0b020286eee90c616444a9e4a819f1fd5af12dc9a0faf054333b898d415a4159e0d5b92579bc0e6a

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

4888 MediaCenter.exe

pid	process
4888	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:

137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.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"	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.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

3920 PING.EXE

pid	process
3920	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeShutdownPrivilege	1344	svchost.exe
Token: SeCreatePagefilePrivilege	1344	svchost.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe
Token: SeRestorePrivilege	4044	TiWorker.exe
Token: SeSecurityPrivilege	4044	TiWorker.exe
Token: SeBackupPrivilege	4044	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.execmd.exe

description	pid	process	target process
PID 3772 wrote to memory of 4888	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	MediaCenter.exe
PID 3772 wrote to memory of 4888	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	MediaCenter.exe
PID 3772 wrote to memory of 4888	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	MediaCenter.exe
PID 3772 wrote to memory of 3632	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	cmd.exe
PID 3772 wrote to memory of 3632	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	cmd.exe
PID 3772 wrote to memory of 3632	3772	137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe	cmd.exe
PID 3632 wrote to memory of 3920	3632	cmd.exe	PING.EXE
PID 3632 wrote to memory of 3920	3632	cmd.exe	PING.EXE
PID 3632 wrote to memory of 3920	3632	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe
"C:\Users\Admin\AppData\Local\Temp\137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3772

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:4888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\137c2b597075061513cc3246ed2e90fb144eb0e5b6644e9fbcc11e711ff2cee1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3632

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:3920

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:1344

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:4044

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
50c38ea553c048023e832edf8d321d8e

SHA1
991d08ea4b51ba5f7662c869730809df4b8be212

SHA256
b8f8344e456a36121b02a9e47f2eae7a3edd367ab611239b3df9dfe7279d4f1a

SHA512
bc0b4e4c072df7e93c367f344ae37ee4a2a43ba21851cf6e70a87c85660cc99c33afa3a1e88081ec5ae4e7235593243f103038cfbae51e0158eb3cde64446160

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

MD5
50c38ea553c048023e832edf8d321d8e

SHA1
991d08ea4b51ba5f7662c869730809df4b8be212

SHA256
b8f8344e456a36121b02a9e47f2eae7a3edd367ab611239b3df9dfe7279d4f1a

SHA512
bc0b4e4c072df7e93c367f344ae37ee4a2a43ba21851cf6e70a87c85660cc99c33afa3a1e88081ec5ae4e7235593243f103038cfbae51e0158eb3cde64446160

Download Submit
memory/1344-132-0x0000017897160000-0x0000017897170000-memory.dmp

Filesize
64KB

Download
memory/1344-133-0x0000017897720000-0x0000017897730000-memory.dmp

Filesize
64KB

Download
memory/1344-134-0x0000017899DB0000-0x0000017899DB4000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads