Malware Analysis Report

2025-01-18 12:27

Sample ID 240830-2g5hjszhmq
Target 7093704bdad688cbdb775de4b07daf5e586a9a7c065537d870e4aa07c4fa2075
SHA256 7093704bdad688cbdb775de4b07daf5e586a9a7c065537d870e4aa07c4fa2075
Tags
formbook hs3h discovery evasion rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7093704bdad688cbdb775de4b07daf5e586a9a7c065537d870e4aa07c4fa2075

Threat Level: Known bad

The file 7093704bdad688cbdb775de4b07daf5e586a9a7c065537d870e4aa07c4fa2075 was found to be: Known bad.

Malicious Activity Summary

formbook hs3h discovery evasion rat spyware stealer trojan

Formbook

Formbook payload

Looks for VirtualBox Guest Additions in registry

Looks for VMWare Tools registry key

Checks computer location settings

Checks BIOS information in registry

Maps connected drives based on registry

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 22:34

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 22:34

Reported

2024-08-30 22:36

Platform

win10v2004-20240802-en

Max time kernel

130s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3988 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 3988 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 3192 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 3988 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

"C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUBPFhaQFiQqDs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDC.tmp"

C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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

memory/3988-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

memory/3988-1-0x0000000000F50000-0x000000000100C000-memory.dmp

memory/3988-2-0x0000000005F70000-0x0000000006514000-memory.dmp

memory/3988-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

memory/3988-4-0x0000000005B00000-0x0000000005B9C000-memory.dmp

memory/3988-5-0x0000000005A00000-0x0000000005A0A000-memory.dmp

memory/3988-6-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/3988-7-0x00000000032E0000-0x00000000032F4000-memory.dmp

memory/3988-8-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

memory/3988-9-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/3988-10-0x00000000072C0000-0x0000000007346000-memory.dmp

memory/3988-11-0x0000000005EE0000-0x0000000005F14000-memory.dmp

memory/3988-12-0x000000000C4F0000-0x000000000C556000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpCDC.tmp

MD5 0160dba7a6ba82d62ace458e76981674
SHA1 ad764aa70538bb3a45d8ab1c8bda16d435b3f13b
SHA256 a733fda92ebad189c48c27f2855a93983e245b9171da669c74b6974510d3e663
SHA512 25673aa95f4535c86438e9868bd112e64121be179c42ea0923265767855386a846e503f758026a1f21a83d3d390c3a9de40917bb1fcfd1506b4a190c18d57b88

memory/2576-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3988-18-0x0000000074A50000-0x0000000075200000-memory.dmp

memory/2576-19-0x00000000016B0000-0x00000000019FA000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 22:34

Reported

2024-08-30 22:36

Platform

win7-20240708-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2244 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 2244 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 2244 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 2244 wrote to memory of 1888 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Windows\SysWOW64\schtasks.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe
PID 2244 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

"C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NUBPFhaQFiQqDs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF113.tmp"

C:\Users\Admin\AppData\Local\Temp\2d660b816d3e2c96db56d5d2e6743b8e649c63dda5e46327b5dbffdceab1d499.exe

"{path}"

Network

N/A

Files

memory/2244-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/2244-1-0x0000000000B30000-0x0000000000BEC000-memory.dmp

memory/2244-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2244-3-0x0000000000210000-0x0000000000224000-memory.dmp

memory/2244-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

memory/2244-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2244-6-0x00000000047A0000-0x0000000004826000-memory.dmp

memory/2244-7-0x00000000005F0000-0x0000000000624000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF113.tmp

MD5 ed2238792b4eb651af5a7e5195d6171c
SHA1 b983e9acf020cb78224246b60c816bfe0a19786f
SHA256 b1aeeced900fbce0cf3fc446310e761876ba731a7b7d39a89f4382e6afe83c18
SHA512 81d3ce0a64f80da989e2f0baaeae64afb569afd201d7f3d5cd982902b76a735a05e6b5ce7a0af3fab6050b250c9b2af1ac94f2bbec3b682122cac3f3ab268cf7

memory/2244-18-0x00000000744D0000-0x0000000074BBE000-memory.dmp

memory/2420-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2420-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2420-19-0x0000000000BF0000-0x0000000000EF3000-memory.dmp

memory/2420-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2420-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2420-20-0x0000000000BF0000-0x0000000000EF3000-memory.dmp