Malware Analysis Report

2025-01-18 12:33

Sample ID 240901-ear8ba1anq
Target 745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025
SHA256 745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025
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

745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025

Threat Level: Known bad

The file 745adf93af99455428f520e84dc1c8cb3715f5fbdfa80a4b52c41e0c0b748025 was found to be: Known bad.

Malicious Activity Summary

formbook bi05 discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies registry class

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Gathers network information

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 03:44

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

2024-09-01 03:44

Reported

2024-09-01 03:47

Platform

win7-20240705-en

Max time kernel

148s

Max time network

149s

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 2392 set thread context of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2856 set thread context of 1204 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2520 set thread context of 1204 N/A C:\Windows\SysWOW64\ipconfig.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\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\ipconfig.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Gathers network information

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2392 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 1204 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\ipconfig.exe
PID 1204 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\ipconfig.exe
PID 1204 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\ipconfig.exe
PID 1204 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\ipconfig.exe
PID 2520 wrote to memory of 2092 N/A C:\Windows\SysWOW64\ipconfig.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 2092 N/A C:\Windows\SysWOW64\ipconfig.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 2092 N/A C:\Windows\SysWOW64\ipconfig.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 2092 N/A C:\Windows\SysWOW64\ipconfig.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\ipconfig.exe

"C:\Windows\SysWOW64\ipconfig.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.strology-forest.sbs udp
US 8.8.8.8:53 www.lytracker.xyz udp
US 8.8.8.8:53 www.swjbcl3.top udp
US 8.8.8.8:53 www.fx168.shop udp
HK 117.18.7.2:80 www.fx168.shop tcp
US 8.8.8.8:53 www.oadtekpaving.net udp
US 8.8.8.8:53 www.fx168.shop udp
HK 117.18.7.2:80 www.fx168.shop tcp
US 8.8.8.8:53 www.7-casino-zsl.buzz udp

Files

memory/2392-10-0x00000000000C0000-0x00000000000C4000-memory.dmp

memory/2856-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2856-12-0x0000000000A60000-0x0000000000D63000-memory.dmp

memory/2856-15-0x0000000000140000-0x0000000000154000-memory.dmp

memory/2856-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1204-16-0x0000000004CC0000-0x0000000004E3B000-memory.dmp

memory/2520-17-0x00000000001F0000-0x00000000001FA000-memory.dmp

memory/2520-18-0x00000000001F0000-0x00000000001FA000-memory.dmp

memory/2520-19-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1204-20-0x0000000004CC0000-0x0000000004E3B000-memory.dmp

memory/1204-26-0x00000000052E0000-0x00000000053CC000-memory.dmp

memory/1204-27-0x00000000052E0000-0x00000000053CC000-memory.dmp

memory/1204-29-0x00000000052E0000-0x00000000053CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 03:44

Reported

2024-09-01 03:47

Platform

win10v2004-20240802-en

Max time kernel

149s

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 1592 set thread context of 4584 N/A C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe C:\Windows\SysWOW64\svchost.exe
PID 4584 set thread context of 3420 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4824 set thread context of 3420 N/A C:\Windows\SysWOW64\chkdsk.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\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\chkdsk.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\chkdsk.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\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\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.exe N/A
N/A N/A C:\Windows\SysWOW64\chkdsk.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\chkdsk.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: 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: 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 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\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\7d58c8bd03c166d6a74bcec471538b4803d1ca9aa9d32f5a5286dd5aafea62ce.exe"

C:\Windows\SysWOW64\chkdsk.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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.ort.lol udp
US 8.8.8.8:53 www.hyma.cyou udp
US 8.8.8.8:53 www.uckyheart.xyz udp
US 8.8.8.8:53 29.243.111.52.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 www.swjbcl3.top udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 www.ucknowgames.info udp
US 8.8.8.8:53 www.oudya.shop udp

Files

memory/1592-10-0x00000000040C0000-0x00000000040C4000-memory.dmp

memory/4584-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4584-12-0x0000000001800000-0x0000000001B4A000-memory.dmp

memory/4584-15-0x00000000015B0000-0x00000000015C4000-memory.dmp

memory/4584-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3420-16-0x0000000008DC0000-0x0000000008F5C000-memory.dmp

memory/4824-17-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

memory/4824-18-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

memory/3420-19-0x0000000008DC0000-0x0000000008F5C000-memory.dmp

memory/4824-20-0x0000000000370000-0x000000000039F000-memory.dmp

memory/3420-24-0x0000000004C90000-0x0000000004D52000-memory.dmp

memory/3420-25-0x0000000004C90000-0x0000000004D52000-memory.dmp

memory/3420-27-0x0000000004C90000-0x0000000004D52000-memory.dmp