Malware Analysis Report

2024-12-07 03:26

Sample ID 241113-crt25axrcq
Target 414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe
SHA256 414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79
Tags
formbook cl21 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

414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79

Threat Level: Known bad

The file 414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe was found to be: Known bad.

Malicious Activity Summary

formbook cl21 discovery rat spyware stealer trojan

Formbook

Formbook family

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 02:19

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

2024-11-13 02:19

Reported

2024-11-13 02:21

Platform

win7-20240903-en

Max time kernel

145s

Max time network

122s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

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 1680 set thread context of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 536 set thread context of 1284 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1336 set thread context of 1284 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\Explorer.EXE

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\netsh.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\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.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\netsh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1680 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 1680 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 1680 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 1680 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 1680 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 1284 wrote to memory of 1336 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1284 wrote to memory of 1336 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1284 wrote to memory of 1336 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1284 wrote to memory of 1336 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1336 wrote to memory of 2340 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 1336 wrote to memory of 2340 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 1336 wrote to memory of 2340 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 1336 wrote to memory of 2340 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe

"C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe"

C:\Windows\SysWOW64\netsh.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/1680-11-0x00000000008C0000-0x00000000009C0000-memory.dmp

memory/536-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/536-13-0x00000000008B0000-0x0000000000BB3000-memory.dmp

memory/536-16-0x0000000000260000-0x0000000000274000-memory.dmp

memory/536-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1284-17-0x0000000004D10000-0x0000000004DF9000-memory.dmp

memory/1336-18-0x00000000016B0000-0x00000000016CB000-memory.dmp

memory/1336-19-0x00000000016B0000-0x00000000016CB000-memory.dmp

memory/1336-20-0x00000000001F0000-0x000000000021F000-memory.dmp

memory/1284-21-0x0000000004D10000-0x0000000004DF9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 02:19

Reported

2024-11-13 02:21

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

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 4892 set thread context of 4716 N/A C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe C:\Windows\SysWOW64\svchost.exe
PID 4716 set thread context of 3444 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1116 set thread context of 3444 N/A C:\Windows\SysWOW64\cmstp.exe C:\Windows\Explorer.EXE

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\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmstp.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\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\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\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.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: 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\cmstp.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A 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\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe

"C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\414d16ac1656479f29b79ce615917bf9366897d95fa1bec2541ae3df75e45a79.exe"

C:\Windows\SysWOW64\cmstp.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.ersonalloanoffers.today udp
US 8.8.8.8:53 www.ffprintshoplv.shop udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 www.ingledatings46.xyz udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.8xeng.app udp
US 8.8.8.8:53 www.othing-heyu.xyz udp
US 8.8.8.8:53 www.ndrvb-stock.xyz udp
US 8.8.8.8:53 udp

Files

memory/4892-11-0x0000000004070000-0x0000000004270000-memory.dmp

memory/4716-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4716-13-0x0000000001000000-0x000000000134A000-memory.dmp

memory/4716-16-0x0000000001510000-0x0000000001524000-memory.dmp

memory/4716-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3444-17-0x00000000084E0000-0x0000000008673000-memory.dmp

memory/1116-19-0x0000000000320000-0x0000000000336000-memory.dmp

memory/1116-18-0x0000000000320000-0x0000000000336000-memory.dmp

memory/1116-20-0x0000000000670000-0x000000000069F000-memory.dmp

memory/3444-21-0x00000000084E0000-0x0000000008673000-memory.dmp

memory/3444-25-0x000000000A160000-0x000000000A2C4000-memory.dmp

memory/3444-26-0x000000000A160000-0x000000000A2C4000-memory.dmp

memory/3444-28-0x000000000A160000-0x000000000A2C4000-memory.dmp