Malware Analysis Report

2025-01-02 14:43

Sample ID 240818-d4mdgstakc
Target b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709
SHA256 b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709
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

b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709

Threat Level: Known bad

The file b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709 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

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-18 03:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-18 03:33

Reported

2024-08-18 03:36

Platform

win7-20240705-en

Max time kernel

142s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.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

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\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.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 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 2756 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 3004 wrote to memory of 2972 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\syswow64\msiexec.exe
PID 2972 wrote to memory of 2760 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2760 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2760 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2972 wrote to memory of 2760 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe"

C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 268

Network

N/A

Files

memory/3004-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3004-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3004-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3004-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3004-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2972-12-0x00000000009A0000-0x00000000009B4000-memory.dmp

memory/2972-13-0x00000000009A0000-0x00000000009B4000-memory.dmp

memory/2972-15-0x00000000009A0000-0x00000000009B4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-18 03:33

Reported

2024-08-18 03:36

Platform

win10v2004-20240802-en

Max time kernel

142s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.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\3018 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccufvebz.com" 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\ccufvebz.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\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.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 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1408 wrote to memory of 1264 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe
PID 1264 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\SysWOW64\msiexec.exe
PID 1264 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\SysWOW64\msiexec.exe
PID 1264 wrote to memory of 1304 N/A C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe"

C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe

"C:\Users\Admin\AppData\Local\Temp\b280f476b0fc9f68287a0572dd809963634b7fed7caf7bab5457ddcd32845709.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3364,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:8

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.4.4:53 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 82.235.72.20.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 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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 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 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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net 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 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/1264-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1264-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1304-6-0x00000000009A0000-0x00000000009B2000-memory.dmp

memory/1304-8-0x00000000009A0000-0x00000000009B2000-memory.dmp

memory/1304-10-0x00000000009A0000-0x00000000009B2000-memory.dmp

memory/1304-11-0x0000000000A00000-0x0000000000A05000-memory.dmp

memory/1304-13-0x0000000000A00000-0x0000000000A05000-memory.dmp

memory/1304-17-0x0000000000A00000-0x0000000000A05000-memory.dmp