Malware Analysis Report

2024-08-06 12:40

Sample ID 240506-s6n3escb37
Target Illegal_Services.rar
SHA256 29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9
Tags
stealerium 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 Overview

score
10/10

SHA256

29fe039e2f044b0834689387f7c39c3c1974cbd6a9943f07425c692cbb3049b9

Threat Level: Known bad

The file Illegal_Services.rar was found to be: Known bad.

Malicious Activity Summary

stealerium stealer

Stealerium family

Stealerium

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Delays execution with timeout.exe

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-06 15:44

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 15:44

Reported

2024-05-06 15:46

Platform

win10-20240404-uk

Max time kernel

79s

Max time network

80s

Command Line

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

Signatures

Stealerium

stealer stealerium

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A

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\Illegal_Services.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 524 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\Illegal_Services.exe C:\Windows\SysWOW64\cmd.exe
PID 2660 wrote to memory of 2528 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2660 wrote to memory of 2528 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2660 wrote to memory of 2528 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 2660 wrote to memory of 324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2660 wrote to memory of 324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2660 wrote to memory of 324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2660 wrote to memory of 4616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2660 wrote to memory of 4616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2660 wrote to memory of 4616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp82CC.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 524

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.136.232:443 discord.com tcp
US 8.8.8.8:53 232.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/524-0-0x00000000735EE000-0x00000000735EF000-memory.dmp

memory/524-1-0x00000000004E0000-0x0000000000676000-memory.dmp

memory/524-2-0x0000000004F10000-0x0000000004F76000-memory.dmp

memory/524-3-0x00000000735E0000-0x0000000073CCE000-memory.dmp

memory/524-6-0x0000000005500000-0x0000000005592000-memory.dmp

memory/524-7-0x0000000005590000-0x00000000055B6000-memory.dmp

memory/524-8-0x00000000055D0000-0x00000000055D8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp82CC.tmp.bat

MD5 3d2ccd76bf009ea94b6def8062f3e71d
SHA1 50a9455a61b0416d9f7efb64af59f90e708939dd
SHA256 c507fbfaedcff35f135530a12b9643df58cbeed69cd1e25a240c539e835121a5
SHA512 453f00e19246a200984f98483066951daf7e897b828eeed9042073ed70cc714e385d1a1797d1789102913173e6a3744ecedc042cd13d1154c17ec4358b3799a8

memory/524-13-0x00000000735E0000-0x0000000073CCE000-memory.dmp