Malware Analysis Report

2025-01-02 14:25

Sample ID 241128-zj71cazmdy
Target 18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
SHA256 18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabf
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

18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabf

Threat Level: Known bad

The file 18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda family

Detects Andromeda payload.

Andromeda, Gamarue

Adds policy Run key to start application

Blocklisted process makes network request

Suspicious use of SetThreadContext

Drops file in Program Files directory

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-28 20:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-28 20:45

Reported

2024-11-28 20:48

Platform

win7-20241010-en

Max time kernel

14s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.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\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.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 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 564 wrote to memory of 1612 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 1612 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\syswow64\msiexec.exe
PID 2804 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2804 wrote to memory of 2912 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe"

C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 272

Network

N/A

Files

memory/1612-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1612-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1612-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1612-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1612-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2804-12-0x0000000000B30000-0x0000000000B44000-memory.dmp

memory/2804-13-0x0000000000B30000-0x0000000000B44000-memory.dmp

memory/2804-15-0x0000000000B30000-0x0000000000B44000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-28 20:45

Reported

2024-11-28 20:48

Platform

win10v2004-20241007-en

Max time kernel

112s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.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\31178 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccistm.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\ccistm.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\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.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 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 740 wrote to memory of 4788 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe
PID 4788 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4788 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4788 wrote to memory of 540 N/A C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe"

C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe

"C:\Users\Admin\AppData\Local\Temp\18acea74517245cc402e4c60a863f078de3778ffcd061c48a3d31b41b70ceabfN.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.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 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 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 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 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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/4788-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4788-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/540-5-0x0000000000610000-0x0000000000622000-memory.dmp

memory/540-7-0x0000000000610000-0x0000000000622000-memory.dmp

memory/540-9-0x0000000000610000-0x0000000000622000-memory.dmp

memory/540-10-0x0000000000B40000-0x0000000000B45000-memory.dmp

memory/540-12-0x0000000000B40000-0x0000000000B45000-memory.dmp

memory/540-16-0x0000000000B40000-0x0000000000B45000-memory.dmp