Malware Analysis Report

2025-01-18 12:24

Sample ID 240829-sre6zazhmp
Target 633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
SHA256 633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a
Tags
formbook pt46 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

633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a

Threat Level: Known bad

The file 633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe was found to be: Known bad.

Malicious Activity Summary

formbook pt46 discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-29 15:21

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

2024-08-29 15:21

Reported

2024-08-29 15:23

Platform

win7-20240708-en

Max time kernel

140s

Max time network

17s

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 1048 set thread context of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 2272 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2272 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\msiexec.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\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1048 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 1048 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 1048 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 1048 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 1048 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2272 wrote to memory of 2988 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\msiexec.exe
PID 2988 wrote to memory of 2560 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2988 wrote to memory of 2560 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2988 wrote to memory of 2560 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2988 wrote to memory of 2560 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe

"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"

C:\Windows\SysWOW64\msiexec.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 268

Network

N/A

Files

memory/1048-11-0x0000000000240000-0x0000000000244000-memory.dmp

memory/2272-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2272-13-0x0000000000760000-0x0000000000A63000-memory.dmp

memory/1208-17-0x00000000043D0000-0x000000000448C000-memory.dmp

memory/2272-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/2272-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2272-20-0x0000000000260000-0x0000000000274000-memory.dmp

memory/2272-19-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1208-21-0x0000000004FE0000-0x000000000516D000-memory.dmp

memory/1208-22-0x00000000043D0000-0x000000000448C000-memory.dmp

memory/2988-24-0x0000000000820000-0x0000000000834000-memory.dmp

memory/2988-23-0x0000000000820000-0x0000000000834000-memory.dmp

memory/2988-26-0x0000000000820000-0x0000000000834000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 15:21

Reported

2024-08-29 15:23

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

148s

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
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4276 set thread context of 772 N/A C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe C:\Windows\SysWOW64\svchost.exe
PID 772 set thread context of 3400 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 772 set thread context of 3400 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 8 set thread context of 3400 N/A C:\Windows\SysWOW64\rundll32.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.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-1-5-21-2392887640-1187051047-2909758433-1000_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\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.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\rundll32.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\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe

"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\SysWOW64\rundll32.exe"

C:\Windows\SysWOW64\cmd.exe

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

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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.17tk555t.com udp
HK 43.198.117.70:80 www.17tk555t.com tcp
US 8.8.8.8:53 70.117.198.43.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 www.koumimi.tech udp
US 8.8.8.8:53 www.rovor.store udp
US 3.33.130.190:80 www.rovor.store tcp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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
US 8.8.8.8:53 www.rtp1kenzototo.com udp
US 104.21.12.95:80 www.rtp1kenzototo.com tcp
US 8.8.8.8:53 95.12.21.104.in-addr.arpa udp
US 8.8.8.8:53 www.betbox2341.com udp
US 8.8.8.8:53 www.per-watch.com udp

Files

memory/4276-11-0x00000000014F0000-0x00000000014F4000-memory.dmp

memory/772-12-0x0000000000640000-0x000000000066F000-memory.dmp

memory/772-15-0x0000000001000000-0x000000000134A000-memory.dmp

memory/772-16-0x0000000000640000-0x000000000066F000-memory.dmp

memory/772-17-0x0000000001530000-0x0000000001544000-memory.dmp

memory/3400-18-0x0000000008850000-0x00000000089B1000-memory.dmp

memory/3400-22-0x00000000078E0000-0x000000000799B000-memory.dmp

memory/772-21-0x0000000002E10000-0x0000000002E24000-memory.dmp

memory/772-20-0x0000000000640000-0x000000000066F000-memory.dmp

memory/8-23-0x0000000000820000-0x0000000000834000-memory.dmp

memory/3400-24-0x0000000008850000-0x00000000089B1000-memory.dmp

memory/8-26-0x0000000000820000-0x0000000000834000-memory.dmp

memory/8-27-0x00000000007B0000-0x00000000007DF000-memory.dmp

memory/3400-28-0x00000000078E0000-0x000000000799B000-memory.dmp

memory/3400-31-0x0000000008D00000-0x0000000008E3C000-memory.dmp

memory/3400-33-0x0000000008D00000-0x0000000008E3C000-memory.dmp

memory/3400-34-0x0000000008D00000-0x0000000008E3C000-memory.dmp