Malware Analysis Report

2024-10-23 19:20

Sample ID 230701-bp4ccafc36
Target 58f5d3f738283351db8a2dbafb50be24.bin
SHA256 891f40ffc8ad4a49898448b357e842c1ae83703f7a2a29da2bb2d1d66ea56884
Tags
stealerium stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

891f40ffc8ad4a49898448b357e842c1ae83703f7a2a29da2bb2d1d66ea56884

Threat Level: Known bad

The file 58f5d3f738283351db8a2dbafb50be24.bin was found to be: Known bad.

Malicious Activity Summary

stealerium stealer

Stealerium family

Stealerium

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

Delays execution with timeout.exe

Modifies system certificate store

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-01 01:20

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-01 01:20

Reported

2023-07-01 01:22

Platform

win7-20230621-en

Max time kernel

29s

Max time network

32s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe"

Signatures

Stealerium

stealer stealerium

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

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe C:\Windows\SysWOW64\cmd.exe
PID 1620 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe C:\Windows\SysWOW64\cmd.exe
PID 1620 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe C:\Windows\SysWOW64\cmd.exe
PID 1620 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe C:\Windows\SysWOW64\cmd.exe
PID 1796 wrote to memory of 1332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1796 wrote to memory of 1332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1796 wrote to memory of 1332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1796 wrote to memory of 1332 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1796 wrote to memory of 1604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1796 wrote to memory of 1604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1796 wrote to memory of 1604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1796 wrote to memory of 1604 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 1796 wrote to memory of 1376 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1796 wrote to memory of 1376 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1796 wrote to memory of 1376 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1796 wrote to memory of 1376 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe

"C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmp8AE2.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 1620

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp

Files

memory/1620-54-0x0000000000010000-0x00000000001A2000-memory.dmp

memory/1620-55-0x0000000000720000-0x0000000000760000-memory.dmp

memory/1620-56-0x0000000000720000-0x0000000000760000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp8AE2.tmp.bat

MD5 97132d6c47a2df47391b93525a68a99e
SHA1 9a5572401376c2f518815d571ade4750a4d2c997
SHA256 869c5fd2e2adbd62577586f520271f106f3e00359101cb60acb1fb9ca4b01c2f
SHA512 87888cd6a926acad5f53d1c80a854a08b1facc26a48e1d49c24073b8dcf0aee5f798c3cabe87363bdb4899f0e76da54b75c50d20b58c73691798e35a247ab3fd

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-01 01:20

Reported

2023-07-01 01:22

Platform

win10v2004-20230621-en

Max time kernel

99s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe"

Signatures

Stealerium

stealer stealerium

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2178924671-3779044592-2825503497-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.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\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe

"C:\Users\Admin\AppData\Local\Temp\0ddb866d33fa7277ea51dbaadd197e08318d1c6cd524c352ecb325cad85b82ba.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\tmpF11B.tmp.bat

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\taskkill.exe

TaskKill /F /IM 4868

C:\Windows\SysWOW64\timeout.exe

Timeout /T 2 /Nobreak

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.89.179.8:443 tcp
NL 95.101.74.134:443 www.bing.com tcp
NL 95.101.74.134:443 www.bing.com tcp
NL 95.101.74.134:443 www.bing.com tcp
NL 95.101.74.134:443 www.bing.com tcp
NL 95.101.74.134:443 www.bing.com tcp
US 8.8.8.8:53 134.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
NL 8.238.178.126:80 tcp
NL 8.238.178.126:80 tcp

Files

memory/4868-133-0x00000000008A0000-0x0000000000A32000-memory.dmp

memory/4868-134-0x0000000005250000-0x00000000052B6000-memory.dmp

memory/4868-135-0x00000000052D0000-0x00000000052E0000-memory.dmp

memory/4868-136-0x00000000052D0000-0x00000000052E0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF11B.tmp.bat

MD5 1843d50c5dc55202874452f47ad02aff
SHA1 74ae96b9ce71a26476f1068b54b84fbbe964580d
SHA256 0d4982123354fc6aa61af59c337f128759739ce2e0c15fdc592a8b18839d7ebb
SHA512 635b0dffbfd81f6dd4969145b1846a584dc42f21c2a08c0a4b9789f20ef8fff2847dc74799aafcb8264642b9a97d976e59c2af6c73a09d2393244f8f45836207