Malware Analysis Report

2025-01-02 14:24

Sample ID 241130-hwrqfsslbm
Target ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
SHA256 ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923
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

ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923

Threat Level: Known bad

The file ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.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

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-30 07:05

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-30 07:05

Reported

2024-11-30 07:07

Platform

win7-20241023-en

Max time kernel

23s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.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\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.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 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2932 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2916 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\syswow64\msiexec.exe
PID 2768 wrote to memory of 2964 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2768 wrote to memory of 2964 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2768 wrote to memory of 2964 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2768 wrote to memory of 2964 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"

C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 268

Network

N/A

Files

memory/2916-8-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2916-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2768-11-0x0000000000B70000-0x0000000000B84000-memory.dmp

memory/2768-12-0x0000000000B70000-0x0000000000B84000-memory.dmp

memory/2768-14-0x0000000000B70000-0x0000000000B84000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-30 07:05

Reported

2024-11-30 07:07

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.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\43300 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccxfei.cmd" 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\ccxfei.cmd 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\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.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 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 556 wrote to memory of 1348 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe
PID 1348 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\SysWOW64\msiexec.exe
PID 1348 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\SysWOW64\msiexec.exe
PID 1348 wrote to memory of 4768 N/A C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"

C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe

"C:\Users\Admin\AppData\Local\Temp\ebd7bf3cdf25917a90484e249e85b785e30fad161e69311ddfb87605ebd2c923N.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.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 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 8.8.4.4:53 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 8.8.8.8:53 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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.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 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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/1348-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1348-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4768-5-0x0000000000740000-0x0000000000752000-memory.dmp

memory/4768-7-0x0000000000740000-0x0000000000752000-memory.dmp

memory/4768-9-0x0000000000740000-0x0000000000752000-memory.dmp

memory/4768-10-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

memory/4768-12-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

memory/4768-16-0x0000000000FD0000-0x0000000000FD5000-memory.dmp