sakula | 18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5

General

Target

18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe
Size

200KB
MD5

ecc2db2cfc568e55afe9124c2f1f2fd4
SHA1

c9b98ca6ab1d5a4028384c737e6d98f77846619f
SHA256

18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5
SHA512

57acad01cbd79171c719ad1eca07ce26095d4094eb69b58387f8782d422556f5e16534e17ff08e68bbe9b0132bc5ddf5d45fd34459f8b6725b6c567809dc5aa6

Score

10^/10

sakula persistence rat suricata 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/4472-135-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula
behavioral2/memory/3220-136-0x0000000000400000-0x0000000000420000-memory.dmp	family_sakula

suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata: ET MALWARE SUSPICIOUS UA (iexplore)
suricata
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1
suricata
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

3220 MediaCenter.exe

pid	process
3220	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:

18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.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"	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe

Drops file in Windows directory 8 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
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
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	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

2292 PING.EXE

pid	process
2292	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exe18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	4632	svchost.exe
Token: SeCreatePagefilePrivilege	4632	svchost.exe
Token: SeShutdownPrivilege	4632	svchost.exe
Token: SeCreatePagefilePrivilege	4632	svchost.exe
Token: SeShutdownPrivilege	4632	svchost.exe
Token: SeCreatePagefilePrivilege	4632	svchost.exe
Token: SeIncBasePriorityPrivilege	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe
Token: SeBackupPrivilege	3704	TiWorker.exe
Token: SeRestorePrivilege	3704	TiWorker.exe
Token: SeSecurityPrivilege	3704	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.execmd.exe

description	pid	process	target process
PID 4472 wrote to memory of 3220	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	MediaCenter.exe
PID 4472 wrote to memory of 3220	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	MediaCenter.exe
PID 4472 wrote to memory of 3220	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	MediaCenter.exe
PID 4472 wrote to memory of 4448	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	cmd.exe
PID 4472 wrote to memory of 4448	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	cmd.exe
PID 4472 wrote to memory of 4448	4472	18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe	cmd.exe
PID 4448 wrote to memory of 2292	4448	cmd.exe	PING.EXE
PID 4448 wrote to memory of 2292	4448	cmd.exe	PING.EXE
PID 4448 wrote to memory of 2292	4448	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe
"C:\Users\Admin\AppData\Local\Temp\18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:3220

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\18b2a4f3d41a4638151d53bb7ddf7db1df3e950245fab579e697fdef2b229eb5.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4448

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:2292

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:4632

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:3704

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
9fda6bbd644c955e3a4450a40301b4bd

SHA1
548922c483c3c648fcfd891586f1a53cc5b06b61

SHA256
72f513bed4387ee6d1a02c83ddd80af72b136b609eee1f7410177f0fdb7827c5

SHA512
1d72ecdb7e708d3284f7e747bbfc392f327f30063039caba5f07c57bdb0cf258f211bfc203f46fa15aca0b2a61e31f4d8f569c401fab5c3ad3f6a775f8314baa

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

MD5
9fda6bbd644c955e3a4450a40301b4bd

SHA1
548922c483c3c648fcfd891586f1a53cc5b06b61

SHA256
72f513bed4387ee6d1a02c83ddd80af72b136b609eee1f7410177f0fdb7827c5

SHA512
1d72ecdb7e708d3284f7e747bbfc392f327f30063039caba5f07c57bdb0cf258f211bfc203f46fa15aca0b2a61e31f4d8f569c401fab5c3ad3f6a775f8314baa

Download Submit
memory/3220-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4472-135-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4632-132-0x0000024134730000-0x0000024134740000-memory.dmp

Filesize
64KB

Download
memory/4632-133-0x0000024134790000-0x00000241347A0000-memory.dmp

Filesize
64KB

Download
memory/4632-134-0x0000024137480000-0x0000024137484000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads