Malware Analysis Report

2025-01-02 02:50

Sample ID 241204-zcxwsszmfx
Target a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe
SHA256 a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17
Tags
sakula discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17

Threat Level: Known bad

The file a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Loads dropped DLL

Deletes itself

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 20:34

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-04 20:34

Reported

2024-12-04 20:37

Platform

win7-20241023-en

Max time kernel

112s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2412 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 1212 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe C:\Windows\SysWOW64\cmd.exe
PID 2548 wrote to memory of 2904 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2548 wrote to memory of 2904 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2548 wrote to memory of 2904 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2548 wrote to memory of 2904 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe

"C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/2412-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 803700f7a855be2197a04189f7e1e5aa
SHA1 0e42a90116f96d78160bcb8f333b4b2ff0182b14
SHA256 f0fcb3a6aa05b93c2e4780b43eed6f722c68126b8e09381014f3033e0fdbd301
SHA512 2b9a3b9eefbe3870157c43b176ba23da9b14890ce5eaa84cffd3a4412f374079cfe27321ee242de784dc88b0edcc1a695a80bd293f52f34d1d852df1a8815420

memory/2412-8-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/1212-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-12-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2412-13-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/1212-15-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-21-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1212-28-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-04 20:34

Reported

2024-12-04 20:37

Platform

win10v2004-20241007-en

Max time kernel

110s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe

"C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a8fa2d6b63c3b1386f2a34e79748fe243817262b42f37ad6c55a78162e9c3c17.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp

Files

memory/3392-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 152f14463286b7d9f74594839cff3681
SHA1 19070158f81476f48bb791ed714166f2b350565a
SHA256 209d05bf67371270a775bdc18487514b263d9924a869613fadc3395717249bf3
SHA512 b1e349efd6fd8a3a007eaf3e67b2b21bbf65edf0440d209ea96850ba7ed94b4cf4a9fbce6937db471dc88ed3cc1ec0b09828061ca31599d92fb8b05a854ef786

memory/3392-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1784-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3392-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1784-19-0x0000000000400000-0x000000000041A000-memory.dmp