Malware Analysis Report

2025-01-02 02:50

Sample ID 241204-xkrnms1pfp
Target bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe
SHA256 bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4
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

bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4

Threat Level: Known bad

The file bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 18:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-04 18:55

Reported

2024-12-04 18:57

Platform

win7-20240708-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2412 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2412 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Windows\SysWOW64\cmd.exe
PID 2412 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe C:\Windows\SysWOW64\cmd.exe
PID 2840 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2840 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2840 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2840 wrote to memory of 2936 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe

"C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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
TH 184.22.175.13:80 tcp

Files

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

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

MD5 4ae0c249b2a7f391b344f2e6e8df4d01
SHA1 faecb1e9fb4e3023ba2b8ca3c03433ef2b0bca7c
SHA256 fb054da2afdf78b69fcffc9142589df1603791cde10558790c8ed01bd7ef91d5
SHA512 ff81c62358ec16cd079b55631f2842c1f68d18ab71baca3046d7891a495618945b440f1e9e59847978ef8b8d13e53163459165070fef2ddcccc96dcfe942f606

memory/2412-10-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/2156-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-9-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/2412-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-13-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/2412-14-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/2156-15-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2412-23-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2156-26-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-04 18:55

Reported

2024-12-04 18:57

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.exe

"C:\Users\Admin\AppData\Local\Temp\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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\bbad5a080c7a7ec13a5771ec843f435be9cfd103dfc63046a809a2e41ff845b4N.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/1244-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 f7d075c416e8fc96ce67165a5fe8c998
SHA1 49ae785a6636da9b42f9ebdbe7ac27fbcc52f489
SHA256 c87473e3fba95f6aa59306d4878aeabb81ad45208ddfc00cd785c2ef6d8ac0bd
SHA512 80bd984ddceae7c02e381995e01549bf90b1fe975f71ce1dd63bf3cbee9d82ceaaa5bdc56b45ad02feb59a77e24069c78942bb8d0cc721d9fb1be2419fc197e8

memory/1244-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2300-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1244-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2300-16-0x0000000000400000-0x000000000041A000-memory.dmp