Malware Analysis Report

2025-01-18 12:36

Sample ID 240830-vdwynsvbjg
Target EDG9502024072.r16.rar
SHA256 4bf712e760eabd92d9ddc32c20af51729630ceed38676ef496c1412fcc042d15
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

4bf712e760eabd92d9ddc32c20af51729630ceed38676ef496c1412fcc042d15

Threat Level: Known bad

The file EDG9502024072.r16.rar 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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Modifies registry class

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 16:52

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 16:52

Reported

2024-08-30 16:55

Platform

win7-20240704-en

Max time kernel

150s

Max time network

155s

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 624 set thread context of 2168 N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe C:\Windows\SysWOW64\svchost.exe
PID 2168 set thread context of 1252 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2872 set thread context of 1252 N/A C:\Windows\SysWOW64\wlanext.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\EDG9502024072.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wlanext.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\wlanext.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.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\EDG9502024072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe

"C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe"

C:\Windows\SysWOW64\wlanext.exe

"C:\Windows\SysWOW64\wlanext.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.ollow-the-bit.online udp
US 8.8.8.8:53 www.orddserials.online udp
US 8.8.8.8:53 www.d7xey20.top udp
US 8.8.8.8:53 www.pfrt-22-mb.click udp
US 8.8.8.8:53 www.dn8pvdr.forum udp

Files

memory/624-10-0x00000000005A0000-0x00000000005A4000-memory.dmp

memory/2168-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2168-12-0x00000000008D0000-0x0000000000BD3000-memory.dmp

memory/2168-15-0x0000000000180000-0x0000000000194000-memory.dmp

memory/2168-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1252-16-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1252-17-0x0000000006220000-0x0000000006355000-memory.dmp

memory/2872-20-0x00000000002D0000-0x00000000002E6000-memory.dmp

memory/2872-18-0x00000000002D0000-0x00000000002E6000-memory.dmp

memory/2872-21-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/1252-22-0x0000000006220000-0x0000000006355000-memory.dmp

memory/1252-28-0x0000000007440000-0x0000000007590000-memory.dmp

memory/1252-29-0x0000000007440000-0x0000000007590000-memory.dmp

memory/1252-31-0x0000000007440000-0x0000000007590000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 16:52

Reported

2024-08-30 16:55

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 4224 set thread context of 1192 N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe C:\Windows\SysWOW64\svchost.exe
PID 1192 set thread context of 3424 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4012 set thread context of 3424 N/A C:\Windows\SysWOW64\raserver.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\EDG9502024072.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\raserver.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-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Windows\Explorer.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\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\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.exe N/A
N/A N/A C:\Windows\SysWOW64\raserver.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\raserver.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.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\EDG9502024072.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.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\EDG9502024072.exe

"C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe"

C:\Windows\SysWOW64\raserver.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.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.ucknowgames.info udp
US 8.8.8.8:53 www.lytracker.xyz udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 www.48651301.top udp
US 8.8.8.8:53 www.erapiacontraeldolor.net 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 150.171.28.10:443 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.istinctcsolutions.net udp
US 8.8.8.8:53 www.hyma.cyou udp

Files

memory/4224-10-0x00000000020D0000-0x00000000020D4000-memory.dmp

memory/1192-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1192-12-0x0000000001300000-0x000000000164A000-memory.dmp

memory/1192-15-0x0000000000FB0000-0x0000000000FC4000-memory.dmp

memory/1192-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3424-16-0x0000000009FA0000-0x000000000A0CD000-memory.dmp

memory/4012-17-0x00000000006F0000-0x000000000070F000-memory.dmp

memory/4012-19-0x00000000006F0000-0x000000000070F000-memory.dmp

memory/4012-20-0x0000000000A60000-0x0000000000A8F000-memory.dmp

memory/3424-24-0x00000000082A0000-0x0000000008359000-memory.dmp

memory/3424-25-0x00000000082A0000-0x0000000008359000-memory.dmp

memory/3424-27-0x00000000082A0000-0x0000000008359000-memory.dmp