Malware Analysis Report

2025-01-02 14:26

Sample ID 241122-b7y6ca1qhv
Target 8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d
SHA256 8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d
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

8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d

Threat Level: Known bad

The file 8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d was found to be: Known bad.

Malicious Activity Summary

andromeda backdoor botnet discovery persistence

Andromeda, Gamarue

Andromeda family

Detects Andromeda payload.

Adds policy Run key to start application

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 01:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-22 01:47

Reported

2024-11-22 01:50

Platform

win7-20240903-en

Max time kernel

142s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.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
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\36745 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccchyi.exe" C:\Windows\syswow64\svchost.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run C:\Windows\syswow64\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\ccchyi.exe C:\Windows\syswow64\svchost.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\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1480 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 2996 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\syswow64\svchost.exe
PID 2996 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\syswow64\svchost.exe
PID 2996 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\syswow64\svchost.exe
PID 2996 wrote to memory of 2976 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\syswow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe"

C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe"

C:\Windows\syswow64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
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 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp

Files

\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

MD5 d2a129307a0335890270db2db2cd40df
SHA1 fdd895190b3cb24f87f202d4e991ca021f86e811
SHA256 8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d
SHA512 9afd5eaa2db437e54c2cbabbeb93f47ad2df7ee3414bd2ad73265792651dce19a7fb8bc637e8b24c5d3769f2ad3f0b9ac74d64007b66b45f8596971aec343bb0

memory/2996-11-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2996-7-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2996-5-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2996-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2996-1-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2976-13-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/2976-14-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/2976-16-0x0000000000020000-0x0000000000025000-memory.dmp

memory/2976-20-0x0000000000020000-0x0000000000025000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 01:47

Reported

2024-11-22 01:50

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.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

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\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\61103 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\ccurvtiz.com" C:\Windows\SysWOW64\svchost.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\PROGRA~3\LOCALS~1\Temp\ccurvtiz.com C:\Windows\SysWOW64\svchost.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\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 4952 wrote to memory of 1060 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe
PID 1060 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\SysWOW64\svchost.exe
PID 1060 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\SysWOW64\svchost.exe
PID 1060 wrote to memory of 4468 N/A C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe"

C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

"C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\syswow64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 138.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.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 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru 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 8.8.8.8:53 177.188.244.54.in-addr.arpa udp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.8.8:53 2.192.105.184.in-addr.arpa udp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.4.4:53 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.4.4:53 morphed.ru udp
US 54.244.188.177:80 morphed.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp
US 8.8.4.4:53 amnsreiuojy.ru udp
US 184.105.192.2:80 amnsreiuojy.ru tcp

Files

C:\Users\Admin\AppData\Local\Temp\8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d.exe

MD5 d2a129307a0335890270db2db2cd40df
SHA1 fdd895190b3cb24f87f202d4e991ca021f86e811
SHA256 8b7c79de7f6d9f2007743348736216151eda6d4a287c480bc78da9962e413a2d
SHA512 9afd5eaa2db437e54c2cbabbeb93f47ad2df7ee3414bd2ad73265792651dce19a7fb8bc637e8b24c5d3769f2ad3f0b9ac74d64007b66b45f8596971aec343bb0

memory/1060-3-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1060-0-0x0000000000400000-0x0000000000409000-memory.dmp

memory/4468-5-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/4468-7-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/4468-9-0x0000000001280000-0x0000000001285000-memory.dmp

memory/4468-13-0x0000000001280000-0x0000000001285000-memory.dmp