Malware Analysis Report

2025-01-02 14:26

Sample ID 241126-v8my9a1pfv
Target c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
SHA256 c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750
Tags
andromeda backdoor botnet discovery persistence
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

c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750

Threat Level: Known bad

The file c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda family

Andromeda, Gamarue

Detects Andromeda payload.

Adds policy Run key to start application

Blocklisted process makes network request

Suspicious use of SetThreadContext

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-26 17:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-26 17:39

Reported

2024-11-26 17:41

Platform

win7-20240729-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

Signatures

Andromeda family

andromeda

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda 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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\syswow64\msiexec.exe

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\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\msiexec.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2420 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2580 wrote to memory of 2752 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\syswow64\msiexec.exe
PID 2752 wrote to memory of 2808 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2752 wrote to memory of 2808 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2752 wrote to memory of 2808 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2752 wrote to memory of 2808 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 268

Network

N/A

Files

memory/2580-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2580-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2580-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2580-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2580-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2752-12-0x0000000000020000-0x0000000000034000-memory.dmp

memory/2752-13-0x0000000000020000-0x0000000000034000-memory.dmp

memory/2752-15-0x0000000000020000-0x0000000000034000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-26 17:39

Reported

2024-11-26 17:41

Platform

win10v2004-20241007-en

Max time kernel

112s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

Signatures

Andromeda family

andromeda

Andromeda, Gamarue

botnet backdoor andromeda

Detects Andromeda 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

Adds policy Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\SysWOW64\msiexec.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\62790 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\cctasqrtw.exe" C:\Windows\SysWOW64\msiexec.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\cctasqrtw.exe C:\Windows\SysWOW64\msiexec.exe N/A

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\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 4276 wrote to memory of 1160 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe
PID 1160 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\SysWOW64\msiexec.exe
PID 1160 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\SysWOW64\msiexec.exe
PID 1160 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe

"C:\Users\Admin\AppData\Local\Temp\c2f5f18777039c5d1eb7b76df045e12757d45fd791cd244406764a92f960c750N.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 108.209.109.20.in-addr.arpa udp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.8.8:53 2.192.105.184.in-addr.arpa udp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 devicesta.ru udp
US 44.221.84.105:80 devicesta.ru tcp
US 8.8.8.8:53 105.84.221.44.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 8.8.8.8:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.4.4:53 devicesta.ru udp
US 44.221.84.105:80 devicesta.ru tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/1160-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1160-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1888-5-0x0000000000690000-0x00000000006A2000-memory.dmp

memory/1888-7-0x0000000000690000-0x00000000006A2000-memory.dmp

memory/1888-9-0x0000000000690000-0x00000000006A2000-memory.dmp

memory/1888-10-0x00000000013B0000-0x00000000013B5000-memory.dmp

memory/1888-12-0x00000000013B0000-0x00000000013B5000-memory.dmp

memory/1888-16-0x00000000013B0000-0x00000000013B5000-memory.dmp