sakula | 4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095

General

Target
4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe
Size 92KB
Sample220712-c3cbfsaad2
SHA256 4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095
MD5 63f5bd325c3a0859d6715a36f87792d0
SHA1 547c959992ee840dc37322e07df6a00d8dc0d794
SHA512 ba61472decc604d0f9e86b2d7d704695c4e87102a2a7144117770b7c2cbbab0ab6aaf7021aeff93872033080776f9747109e98117b3302d4561224f0f30b8cac
MD5 SHA1 SHA512

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 2 IoCs

resource	yara_rule
behavioral2/files/0x0006000000022e20-131.dat	family_sakula
behavioral2/files/0x0006000000022e20-132.dat	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

pid	Process
3444	AdobeUpdate.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.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

pid	Process
4628	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 3444	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	81
PID 796 wrote to memory of 3444	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	81
PID 796 wrote to memory of 3444	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	81
PID 796 wrote to memory of 2744	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	84
PID 796 wrote to memory of 2744	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	84
PID 796 wrote to memory of 2744	796	4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe	84
PID 2744 wrote to memory of 4628	2744	cmd.exe	86
PID 2744 wrote to memory of 4628	2744	cmd.exe	86
PID 2744 wrote to memory of 4628	2744	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe
"C:\Users\Admin\AppData\Local\Temp\4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796
- C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
  2⤵
  - Executes dropped EXE
  PID:3444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\4d8f44743321704462cf4eb51ce02bb76a61cd139c88ad1b002ce27ed2a32095.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4628

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

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Downloads

AdobeUpdate.exe

Path C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
Size 92KB
SHA256 dc0358edcaf97aea27e8e06e13cc59a788dfaf8e1cc9f75f261961238528fd1f
MD5 4818390e64b44dd13d3eb0d59f348c28
SHA1 2014d47da2e42355afaf416eac5d2e8f0d406406
SHA512 da690d11f8ccfa5823fd306cc373c59eccf0305faf2c3a248e1b0f48968ba6cb725efe89e7798032a2594283a29200ca6e3f148733ee870105784a53f282e9ae
SSDEEP 1536:TJbCiJVkgMaT2itTkjoRXnM48dXFajVPYxCEtkz30rtrc:9bfVk29te2jqxCEtg30BI
MD5 SHA1 SHA512 SSDEEP

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