Malware Analysis Report

2025-01-02 14:38

Sample ID 240920-ptqtpswgpa
Target 43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN
SHA256 43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aa
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

43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aa

Threat Level: Known bad

The file 43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN 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

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

2024-09-20 12:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-20 12:37

Reported

2024-09-20 12:39

Platform

win7-20240903-en

Max time kernel

112s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.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\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.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 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1992 wrote to memory of 1804 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 1804 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\syswow64\msiexec.exe
PID 2336 wrote to memory of 2388 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2336 wrote to memory of 2388 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2336 wrote to memory of 2388 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2336 wrote to memory of 2388 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe"

C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 268

Network

N/A

Files

memory/1804-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1804-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1804-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1804-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1804-9-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2336-12-0x0000000000BA0000-0x0000000000BB4000-memory.dmp

memory/2336-13-0x0000000000BA0000-0x0000000000BB4000-memory.dmp

memory/2336-15-0x0000000000BA0000-0x0000000000BB4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-20 12:37

Reported

2024-09-20 12:39

Platform

win10v2004-20240802-en

Max time kernel

111s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.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\9171 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccezgsd.bat" 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\ccezgsd.bat 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\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.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 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4192 wrote to memory of 4120 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe
PID 4120 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4120 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4120 wrote to memory of 4596 N/A C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe"

C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe

"C:\Users\Admin\AppData\Local\Temp\43d30cb9d423e7cb712c63bbf1ab9ef621ce3f9d9ec2d03fadd7a87f144227aaN.exe"

C:\Windows\SysWOW64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.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 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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.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/4120-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4120-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4596-6-0x0000000000E30000-0x0000000000E42000-memory.dmp

memory/4596-8-0x0000000000E30000-0x0000000000E42000-memory.dmp

memory/4596-10-0x0000000000E30000-0x0000000000E42000-memory.dmp

memory/4596-11-0x0000000001090000-0x0000000001095000-memory.dmp

memory/4596-13-0x0000000001090000-0x0000000001095000-memory.dmp

memory/4596-17-0x0000000001090000-0x0000000001095000-memory.dmp