Malware Analysis Report

2025-01-18 12:26

Sample ID 240830-ql8j8awdja
Target Invoice#45.exe
SHA256 594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730
Tags
formbook bi05 discovery rat spyware stealer trojan
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

594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730

Threat Level: Known bad

The file Invoice#45.exe was found to be: Known bad.

Malicious Activity Summary

formbook bi05 discovery rat spyware stealer trojan

Formbook

Formbook payload

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 13:22

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 13:22

Reported

2024-08-30 13:24

Platform

win7-20240705-en

Max time kernel

148s

Max time network

150s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2540 set thread context of 1248 N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe C:\Windows\SysWOW64\svchost.exe
PID 1248 set thread context of 1228 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1868 set thread context of 1228 N/A C:\Windows\SysWOW64\mstsc.exe C:\Windows\Explorer.EXE

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\Invoice#45.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mstsc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\mstsc.exe N/A
N/A N/A C:\Windows\SysWOW64\mstsc.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe"

C:\Windows\SysWOW64\mstsc.exe

"C:\Windows\SysWOW64\mstsc.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.lytracker.xyz udp
US 8.8.8.8:53 www.mail-marketing-91020.bond udp
US 8.8.8.8:53 www.swjbcl3.top udp
US 8.8.8.8:53 www.hyma.cyou udp
US 8.8.8.8:53 www.hisismylguana.xyz udp
US 8.8.8.8:53 www.oadtekpaving.net udp

Files

memory/2540-11-0x00000000000B0000-0x00000000000B4000-memory.dmp

memory/1248-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1248-13-0x0000000000A20000-0x0000000000D23000-memory.dmp

memory/1248-16-0x0000000000190000-0x00000000001A4000-memory.dmp

memory/1248-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1228-17-0x0000000003EF0000-0x0000000003FF0000-memory.dmp

memory/1228-18-0x0000000007720000-0x0000000007886000-memory.dmp

memory/1868-19-0x0000000000450000-0x0000000000554000-memory.dmp

memory/1868-21-0x0000000000450000-0x0000000000554000-memory.dmp

memory/1868-22-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1228-23-0x0000000007720000-0x0000000007886000-memory.dmp

memory/1228-29-0x00000000079B0000-0x0000000007B12000-memory.dmp

memory/1228-30-0x00000000079B0000-0x0000000007B12000-memory.dmp

memory/1228-32-0x00000000079B0000-0x0000000007B12000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 13:22

Reported

2024-08-30 13:24

Platform

win10v2004-20240802-en

Max time kernel

147s

Max time network

143s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2876 set thread context of 1924 N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe C:\Windows\SysWOW64\svchost.exe
PID 1924 set thread context of 3456 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4656 set thread context of 3456 N/A C:\Windows\SysWOW64\cscript.exe C:\Windows\Explorer.EXE

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\Invoice#45.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cscript.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Windows\Explorer.EXE N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\cscript.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice#45.exe"

C:\Windows\SysWOW64\cscript.exe

"C:\Windows\SysWOW64\cscript.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 www.udistsex.top 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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 www.ridgenexttechnologies.partners udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 www.ortal-bfl.online udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.hyma.cyou udp
US 8.8.8.8:53 www.hetune.shop udp

Files

memory/2876-11-0x0000000002160000-0x0000000002164000-memory.dmp

memory/1924-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1924-13-0x0000000001B00000-0x0000000001E4A000-memory.dmp

memory/1924-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1924-16-0x0000000001E50000-0x0000000001E64000-memory.dmp

memory/3456-17-0x0000000008250000-0x00000000083F4000-memory.dmp

memory/4656-18-0x00000000003C0000-0x00000000003E7000-memory.dmp

memory/4656-20-0x00000000003C0000-0x00000000003E7000-memory.dmp

memory/4656-21-0x0000000001120000-0x000000000114F000-memory.dmp

memory/3456-22-0x0000000008250000-0x00000000083F4000-memory.dmp

memory/3456-26-0x00000000089C0000-0x0000000008A78000-memory.dmp

memory/3456-27-0x00000000089C0000-0x0000000008A78000-memory.dmp

memory/3456-29-0x00000000089C0000-0x0000000008A78000-memory.dmp