Malware Analysis Report

2024-10-19 06:53

Sample ID 231117-fnve9sgd2z
Target stub.exe
SHA256 0fe68b8689e8d8439ae48b39dc96d6ab178e2a68c83a5cdfe577eb9d3b9537d2
Tags
stealerium 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 Overview

score
10/10

SHA256

0fe68b8689e8d8439ae48b39dc96d6ab178e2a68c83a5cdfe577eb9d3b9537d2

Threat Level: Known bad

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

Malicious Activity Summary

stealerium stealer

Stealerium

Stealerium family

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Delays execution with timeout.exe

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-17 05:01

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-17 05:01

Reported

2023-11-17 05:33

Platform

win10v2004-20231020-en

Max time kernel

1747s

Max time network

1159s

Command Line

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

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\stub.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\stub.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpC0EE.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 2676

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 122.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.135.232:443 discord.com tcp
US 8.8.8.8:53 232.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 21.236.111.52.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 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/2676-0-0x0000000074580000-0x0000000074D30000-memory.dmp

memory/2676-1-0x00000000006D0000-0x0000000000866000-memory.dmp

memory/2676-2-0x0000000005220000-0x0000000005286000-memory.dmp

memory/2676-3-0x0000000002C70000-0x0000000002C80000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpC0EE.tmp.bat

MD5 443a56f6e22108cd36332eb08811308f
SHA1 f31f1508879b28eab4ba701bf16c297f38ccae5a
SHA256 d5a2144dd696778a1e02ba5915e46f9e7dcaab4870ea2348b8870c9c9da38999
SHA512 6c1c0f008434ea45db1098f5e9f167843db3956f4fa4556020e4fe6bfdc95a0167503be680fa2153ff9a311c4d75b522bfd368e0f310a8217b77673570bfa39f

memory/2676-10-0x0000000074580000-0x0000000074D30000-memory.dmp