Malware Analysis Report

2025-01-02 02:49

Sample ID 241128-j5ctbsxmgl
Target 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe
SHA256 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36
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

4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36

Threat Level: Known bad

The file 4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Deletes itself

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-28 08:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-28 08:14

Reported

2024-11-28 08:17

Platform

win7-20241010-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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

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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\cmd.exe N/A
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\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2808 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 432 N/A C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe C:\Windows\SysWOW64\cmd.exe
PID 432 wrote to memory of 1596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 432 wrote to memory of 1596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 432 wrote to memory of 1596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 432 wrote to memory of 1596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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/2808-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 2b37c6314bbe6a0b343412087b7cecc6
SHA1 98d4a79bcd476443b3ade43355a16ec3678626b8
SHA256 f15fb13a9ebf97b0befe0b095976d9313885d182a97394ed33976dc22370782a
SHA512 e268b695392cc05b2755b35363d8daedb9653e5e8145e4da1ed49fe3d126dd24d7ceaacbf21b6e25f9dba30605a5504d4194fb1855f79398044b2aaf31f991ef

memory/2808-8-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2856-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-12-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2808-13-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2856-15-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-21-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2856-27-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-28 08:14

Reported

2024-11-28 08:17

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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
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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.exe

"C:\Users\Admin\AppData\Local\Temp\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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\4ddf62dc5837a31da318ddc5b0ae69baca48814e2242a6d1a00b4efa78227a36.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/4768-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 2811e0a5af7353d6ff598eea7f3f5fd3
SHA1 db7054077b9bb1a1ce4dd03ce5bffa5f52e424c0
SHA256 a04faed0cfd93034366e29aec7ce7639d224dc55468a254e37ea4030900df3a9
SHA512 212e9a912599608a0706e43071cc7ffe07c1807001449fa761ad3286647bb12521a0859a223748a06dfbfd43292e8529c2de9a328aae0e8754790e20fc1b5cab

memory/4768-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1628-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4768-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1628-16-0x0000000000400000-0x000000000041A000-memory.dmp