Malware Analysis Report

2025-01-02 14:25

Sample ID 241201-vsrmhawrct
Target 212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
SHA256 212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20c
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

212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20c

Threat Level: Known bad

The file 212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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

Executes dropped EXE

Blocklisted process makes network request

Suspicious use of SetThreadContext

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-01 17:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-01 17:15

Reported

2024-12-01 17:17

Platform

win7-20240708-en

Max time kernel

18s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe 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\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2120 wrote to memory of 2192 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2192 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\syswow64\msiexec.exe
PID 2552 wrote to memory of 816 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 816 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 816 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 816 N/A C:\Windows\syswow64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe"

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe"

C:\Windows\syswow64\msiexec.exe

C:\Windows\syswow64\msiexec.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 268

Network

N/A

Files

memory/2192-10-0x0000000000400000-0x0000000000409000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

MD5 c7c14639d3f4bad55e2f9e30414e30e0
SHA1 416e5018f9914b697a17a355d11f9731e6efbd96
SHA256 212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20c
SHA512 d706f5e21dd8e8f5bfca30c9909adcd2c5474d2c28fc0afdd9cc247e512ccff5582ee6c3671f8a4b964ecb723ce97393d1d9e76785efc77ab103f07508b2cc4d

memory/2192-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2192-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2192-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2192-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2552-14-0x0000000000980000-0x0000000000994000-memory.dmp

memory/2552-13-0x0000000000980000-0x0000000000994000-memory.dmp

memory/2552-16-0x0000000000980000-0x0000000000994000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-01 17:15

Reported

2024-12-01 17:17

Platform

win10v2004-20241007-en

Max time kernel

112s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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\22240 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccjevgdep.exe" C:\Windows\SysWOW64\msiexec.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\ccjevgdep.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\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4328 wrote to memory of 4024 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe
PID 4024 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4024 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\SysWOW64\msiexec.exe
PID 4024 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe C:\Windows\SysWOW64\msiexec.exe

Processes

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe"

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

"C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.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 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.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 restless.su udp
US 184.105.192.2:80 restless.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 8.8.4.4:53 restless.su udp
US 8.8.8.8:53 2.192.105.184.in-addr.arpa udp
US 8.8.8.8:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 pacifista.ru udp
US 44.221.84.105:80 pacifista.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 67.208.201.84.in-addr.arpa udp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 restless.su udp
US 184.105.192.2:80 restless.su tcp
US 8.8.4.4:53 pacifista.ru udp
US 44.221.84.105:80 pacifista.ru tcp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4024-0-0x0000000000400000-0x0000000000409000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20cN.exe

MD5 c7c14639d3f4bad55e2f9e30414e30e0
SHA1 416e5018f9914b697a17a355d11f9731e6efbd96
SHA256 212bfb2513937e0f21b91a6e6d13f283df9cdbb41c3b87101432b38caff5d20c
SHA512 d706f5e21dd8e8f5bfca30c9909adcd2c5474d2c28fc0afdd9cc247e512ccff5582ee6c3671f8a4b964ecb723ce97393d1d9e76785efc77ab103f07508b2cc4d

memory/4024-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2384-7-0x0000000000DC0000-0x0000000000DD2000-memory.dmp

memory/2384-9-0x0000000000DC0000-0x0000000000DD2000-memory.dmp

memory/2384-11-0x0000000000DC0000-0x0000000000DD2000-memory.dmp

memory/2384-12-0x0000000001350000-0x0000000001355000-memory.dmp

memory/2384-14-0x0000000001350000-0x0000000001355000-memory.dmp

memory/2384-18-0x0000000001350000-0x0000000001355000-memory.dmp