Malware Analysis Report

2025-01-02 14:26

Sample ID 241202-m1636a1ng1
Target fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
SHA256 fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082
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

fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082

Threat Level: Known bad

The file fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Detects Andromeda payload.

Andromeda family

Andromeda, Gamarue

Adds policy Run key to start application

Blocklisted process makes network request

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 10:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 10:56

Reported

2024-12-02 10:59

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.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 N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2260 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2216 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\syswow64\msiexec.exe
PID 2856 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2856 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2856 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2856 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe"

C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 268

Network

N/A

Files

memory/2856-15-0x0000000000120000-0x0000000000134000-memory.dmp

memory/2856-13-0x0000000000120000-0x0000000000134000-memory.dmp

memory/2856-12-0x0000000000120000-0x0000000000134000-memory.dmp

memory/2216-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2216-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2216-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2216-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2216-0-0x0000000000400000-0x0000000000409000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 10:56

Reported

2024-12-02 10:59

Platform

win10v2004-20241007-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.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\51135 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\cccluo.cmd" C:\Windows\SysWOW64\msiexec.exe N/A

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A C:\Windows\SysWOW64\msiexec.exe N/A
N/A N/A 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\cccluo.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\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.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\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 3152 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe
PID 2336 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\SysWOW64\msiexec.exe
PID 2336 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\SysWOW64\msiexec.exe
PID 2336 wrote to memory of 3744 N/A C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe"

C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.exe

"C:\Users\Admin\AppData\Local\Temp\fcf6ef18e45949e66e79c580b7f92b9097c41dba3b2976f3235b2f93c7f95082.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 20.72.235.82:80 www.update.microsoft.com tcp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 82.235.72.20.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 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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 11.227.111.52.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

Files

memory/2336-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2336-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3744-5-0x0000000000600000-0x0000000000612000-memory.dmp

memory/3744-9-0x0000000000600000-0x0000000000612000-memory.dmp

memory/3744-7-0x0000000000600000-0x0000000000612000-memory.dmp

memory/3744-10-0x0000000000A30000-0x0000000000A35000-memory.dmp

memory/3744-12-0x0000000000A30000-0x0000000000A35000-memory.dmp

memory/3744-16-0x0000000000A30000-0x0000000000A35000-memory.dmp