Malware Analysis Report

2024-10-23 19:39

Sample ID 231222-qqhvcshbdr
Target InstallShieldSetup.exe
SHA256 c498dec6b5bae2d62448ffb450fa594f0c0e55c7424923d602386dbdb6c61503
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

c498dec6b5bae2d62448ffb450fa594f0c0e55c7424923d602386dbdb6c61503

Threat Level: Known bad

The file InstallShieldSetup.exe was found to be: Known bad.

Malicious Activity Summary

marsstealer default spyware stealer

Mars Stealer

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 13:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 13:27

Reported

2023-12-22 13:30

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.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\6AN3PYFOS7.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 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2520 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe
PID 2884 wrote to memory of 2640 N/A C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe

"C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe"

C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

"C:\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 872

Network

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

Files

memory/2520-0-0x0000000000800000-0x0000000000878000-memory.dmp

\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

MD5 b1d6d66282771bdaee20f0295991140a
SHA1 f65c534725a4aa947285ecbb2acf3f5083803152
SHA256 9697901177242e9a450aae820687ddbbd13196b5876ec77cdcb663cfbadb0053
SHA512 af0bd80c0fdb1c336268c1bcdb8b0a05a588a1ded511669f6974b10e19752bed5305fda870a9a1e61be30db14228194f84ec8da74e9836eec3506d0629fe0900

memory/2520-15-0x00000000028C0000-0x00000000028FD000-memory.dmp

\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

MD5 3a6f69ecc4b0744752283451b49147a9
SHA1 ffa66b1daa062220ebf68639a374f24f924a60d2
SHA256 22949ed85e66d19c8691e20ae79130490e1bc1ce97f98f7ef89216783b66575a
SHA512 c99a450a0aa8ca580664e1bfb59a0ddbd6fc3b0e14485604b94b9ce65470a38176b0889026965fb9c471d6b28913436ded62dd5ee17977863b83eadab7fad81d

memory/2520-10-0x00000000028C0000-0x00000000028FD000-memory.dmp

memory/2884-16-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2884-17-0x0000000000230000-0x000000000026D000-memory.dmp

\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

MD5 15ec45c17d8afc555714938aabb365a5
SHA1 b2d500c2baf6e2dd6c50ffb66ff349ed9b815336
SHA256 a1b5b3284d406409ac59329ca76ac5a25dd07e250c39308c59dbcf71bd791016
SHA512 c9c36b79e8dce06500aa4ea41491242a136061274ebe9dd6cac0eb5925b7310c67cce5195169a9832df91feb31d7683d10e15b70cb0f920323640640a8632eec

\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

MD5 76114abaeb8a77411d560762e93a6156
SHA1 53314096bb9a6a52271a3704d1d0efd167b9c5ec
SHA256 5f87c144c6c074fc4846dd305c89a3e777f5f7174616f96363b91ca37e9b92b4
SHA512 af3f712624dcfba098d47f3c3a2ed49d82d0beb70b6edb68e17c0466e104a1c0e2d4ac2b8f7ad800ee36d8d209e0107b3f350fabf63b03045cf6ead5191ceb40

\ProgramData\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\6AN3PYFOS7.exe

MD5 e3ca4b5c5e173076ce7d6b621f410959
SHA1 cdf9c72371623e59c542580a36b0b5e6d60f2613
SHA256 ab1edfbdba76bfe249a6fca3ae79eb8779946414c2dfd52afa9b8f1d27b728de
SHA512 2852eec3cf050a370af047882eab6049e861575459da9dc2dfdd4feb50a12c09ebc3bc33eed3a306c9c04a9494f2b653c1b4326db009811ab0581e0bc60744f9

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 13:27

Reported

2023-12-22 13:31

Platform

win10v2004-20231215-en

Max time kernel

142s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe"

Signatures

Mars Stealer

stealer marsstealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Adobe\LV.exe N/A

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Roaming\Adobe\LV.exe

Processes

C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe

"C:\Users\Admin\AppData\Local\Temp\InstallShieldSetup.exe"

C:\Users\Admin\AppData\Roaming\Adobe\LV.exe

"C:\Users\Admin\AppData\Roaming\Adobe\LV.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2984 -ip 2984

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 1380

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.moscow-post.su udp
RU 185.71.67.60:80 www.moscow-post.su tcp
US 8.8.8.8:53 60.67.71.185.in-addr.arpa 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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/5004-1-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/5004-0-0x0000000000620000-0x0000000000698000-memory.dmp

C:\Users\Admin\AppData\Roaming\Adobe\LV.exe

MD5 03580ac9e6ee901bcb8ad382e7085f2b
SHA1 368aa6c4e23910c40bee7c190876edd1138c8e23
SHA256 fe7959e272893fb0873005570c81c3cf1ec957b54575a28a2a3270c88aea2431
SHA512 f684fe2db9a89ee1b6d3d9afc580b127ed33bbeba533b1561a19606dc58513e1efee429a9641398c4adf2ce97d63886c65355204bea7dd96feb660268ac9b5da

C:\Users\Admin\AppData\Roaming\Adobe\LV.exe

MD5 b1d6d66282771bdaee20f0295991140a
SHA1 f65c534725a4aa947285ecbb2acf3f5083803152
SHA256 9697901177242e9a450aae820687ddbbd13196b5876ec77cdcb663cfbadb0053
SHA512 af0bd80c0fdb1c336268c1bcdb8b0a05a588a1ded511669f6974b10e19752bed5305fda870a9a1e61be30db14228194f84ec8da74e9836eec3506d0629fe0900

memory/5004-12-0x0000000074D20000-0x00000000754D0000-memory.dmp

memory/2984-11-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2984-14-0x0000000000400000-0x000000000043D000-memory.dmp