Malware Analysis Report

2024-08-06 08:33

Sample ID 230817-eq1jmaha2z
Target VenomClient.exe
SHA256 811e02d249ebce5faa385b01605297d336d2d79b38e6aab3d39b7c16130e292c
Tags
elysiumstealer stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

811e02d249ebce5faa385b01605297d336d2d79b38e6aab3d39b7c16130e292c

Threat Level: Known bad

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

Malicious Activity Summary

elysiumstealer stealer

ElysiumStealer Support DLL

ElysiumStealer

Loads dropped DLL

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-17 04:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-17 04:09

Reported

2023-08-17 04:12

Platform

win7-20230712-en

Max time kernel

120s

Max time network

126s

Command Line

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

Signatures

ElysiumStealer

stealer elysiumstealer

ElysiumStealer Support DLL

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

Loads dropped DLL

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\VenomClient.exe

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 636

Network

N/A

Files

memory/2468-55-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2468-54-0x0000000000010000-0x000000000011C000-memory.dmp

memory/2468-56-0x0000000002360000-0x00000000023A0000-memory.dmp

memory/2468-57-0x00000000004B0000-0x00000000004C4000-memory.dmp

memory/2468-58-0x0000000076460000-0x0000000076570000-memory.dmp

\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

memory/2468-62-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2468-63-0x0000000002360000-0x00000000023A0000-memory.dmp

memory/2468-64-0x0000000076460000-0x0000000076570000-memory.dmp

memory/2468-65-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2468-66-0x0000000076460000-0x0000000076570000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-17 04:09

Reported

2023-08-17 04:12

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

147s

Command Line

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

Signatures

ElysiumStealer

stealer elysiumstealer

ElysiumStealer Support DLL

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

Loads dropped DLL

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\VenomClient.exe

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1216 -ip 1216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 1064

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/1216-133-0x0000000000C40000-0x0000000000D4C000-memory.dmp

memory/1216-134-0x00000000750A0000-0x0000000075850000-memory.dmp

memory/1216-135-0x00000000056B0000-0x00000000056C0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

memory/1216-140-0x0000000005C70000-0x0000000006214000-memory.dmp

memory/1216-141-0x00000000057C0000-0x0000000005852000-memory.dmp

memory/1216-142-0x0000000005970000-0x000000000597A000-memory.dmp

memory/1216-143-0x00000000750A0000-0x0000000075850000-memory.dmp