Malware Analysis Report

2024-10-19 07:06

Sample ID 231225-mlh3saehgl
Target Cyber Hunter Install.exe
SHA256 d38bc9871b0eba08a6b77314a6d3fdc94531315c2659ea60d8d23b4450ed3838
Tags
marsstealer default spyware stealer
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

d38bc9871b0eba08a6b77314a6d3fdc94531315c2659ea60d8d23b4450ed3838

Threat Level: Known bad

The file Cyber Hunter Install.exe was found to be: Known bad.

Malicious Activity Summary

marsstealer default spyware stealer

Mars Stealer

Executes dropped EXE

Reads user/profile data of web browsers

Checks computer location settings

Loads dropped DLL

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 10:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 10:33

Reported

2023-12-25 10:36

Platform

win7-20231215-en

Max time kernel

121s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"

Signatures

Mars Stealer

stealer marsstealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe N/A

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2408 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe
PID 2948 wrote to memory of 2588 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe

"C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"

C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe

"C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 812

Network

Country Destination Domain Proto
US 8.8.8.8:53 moscow-post.com udp
RU 185.71.67.60:80 moscow-post.com tcp
US 8.8.8.8:53 www.moscow-post.com udp
RU 185.71.67.60:80 www.moscow-post.com tcp
US 8.8.8.8:53 www.moscow-post.su udp
RU 185.71.67.60:80 www.moscow-post.su tcp

Files

memory/2408-0-0x0000000000B50000-0x0000000000BE2000-memory.dmp

C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\1VOQWB28EN.exe

MD5 1f51c4bdd8bd5b81fe2638ffa85fd5d2
SHA1 43146ce6867ba788dc50ddfe1d9ec4d89aafd859
SHA256 e7dcfe91d1f3c1b1d33b8f7eae174999b04faec7825474baf846aaa408d97c38
SHA512 7f0d34c1ccf39cb0c5600507b2b00185e097a6423cc622b66659cd46aef6bb55b6a5806971a816eab3f990b8099cdc9a606cacab49a1f6bd002fcf9a2964ca98

memory/2408-15-0x0000000000A60000-0x0000000000A9D000-memory.dmp

memory/2948-16-0x00000000002E0000-0x000000000031D000-memory.dmp

memory/2948-17-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2408-9-0x0000000000A60000-0x0000000000A9D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 10:33

Reported

2023-12-25 10:36

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"

Signatures

Mars Stealer

stealer marsstealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\WindowsHolographicDevices\DQU4SPSGJDJKOA.exe N/A

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe

"C:\Users\Admin\AppData\Local\Temp\Cyber Hunter Install.exe"

C:\ProgramData\WindowsHolographicDevices\DQU4SPSGJDJKOA.exe

"C:\ProgramData\WindowsHolographicDevices\DQU4SPSGJDJKOA.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3392 -ip 3392

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3392 -s 1364

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
GB 96.16.110.41:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 13.95.31.18:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
IE 40.127.169.103:443 tcp
IE 40.127.169.103:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
RU 185.71.67.60:80 tcp
US 8.8.8.8:53 udp
RU 185.71.67.60:80 tcp
US 8.8.8.8:53 udp
RU 185.71.67.60:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/1796-0-0x0000000000140000-0x00000000001D2000-memory.dmp

memory/1796-1-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/3392-10-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1796-12-0x0000000074B80000-0x0000000075330000-memory.dmp

memory/3392-14-0x0000000000400000-0x000000000043D000-memory.dmp