Malware Analysis Report

2025-01-02 14:38

Sample ID 240910-c1yrnsvanb
Target 773522a36c10b9dd45e4c172d1fef4f0N
SHA256 6c5d29cf9f3cdb18b06d53669126a2973f365a211106efffd2c03b5b2d837449
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

6c5d29cf9f3cdb18b06d53669126a2973f365a211106efffd2c03b5b2d837449

Threat Level: Known bad

The file 773522a36c10b9dd45e4c172d1fef4f0N was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

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

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 02:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 02:33

Reported

2024-09-10 02:35

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe"

Signatures

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2484 set thread context of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

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\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\msiexec.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2484 wrote to memory of 2504 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2504 wrote to memory of 2072 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\syswow64\msiexec.exe
PID 2072 wrote to memory of 1076 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2072 wrote to memory of 1076 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2072 wrote to memory of 1076 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2072 wrote to memory of 1076 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe"

C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 268

Network

N/A

Files

memory/2504-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2504-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2504-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2504-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2504-8-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2072-11-0x00000000002C0000-0x00000000002D4000-memory.dmp

memory/2072-12-0x00000000002C0000-0x00000000002D4000-memory.dmp

memory/2072-14-0x00000000002C0000-0x00000000002D4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 02:33

Reported

2024-09-10 02:35

Platform

win10v2004-20240802-en

Max time kernel

112s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe"

Signatures

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\29655 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccbweaym.com" C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1864 set thread context of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\ccbweaym.com 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\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 1864 wrote to memory of 2132 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe
PID 2132 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\SysWOW64\msiexec.exe
PID 2132 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\SysWOW64\msiexec.exe
PID 2132 wrote to memory of 400 N/A C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe"

C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.exe

"C:\Users\Admin\AppData\Local\Temp\773522a36c10b9dd45e4c172d1fef4f0N.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.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 20.72.235.82:80 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 82.235.72.20.in-addr.arpa udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.4.4:53 restlesz.su udp
US 184.105.192.2:80 restlesz.su tcp
US 8.8.8.8:53 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 8.8.8.8:53 172.214.232.199.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 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 43.229.111.52.in-addr.arpa udp

Files

memory/2132-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2132-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/400-5-0x0000000000E40000-0x0000000000E52000-memory.dmp

memory/400-7-0x0000000000E40000-0x0000000000E52000-memory.dmp

memory/400-9-0x0000000000E40000-0x0000000000E52000-memory.dmp

memory/400-10-0x0000000000A20000-0x0000000000A25000-memory.dmp

memory/400-12-0x0000000000A20000-0x0000000000A25000-memory.dmp

memory/400-16-0x0000000000A20000-0x0000000000A25000-memory.dmp