Malware Analysis Report

2025-01-18 12:26

Sample ID 240830-ql8vzsxcpj
Target EDG9502024072.r16.rar
SHA256 4bf712e760eabd92d9ddc32c20af51729630ceed38676ef496c1412fcc042d15
Tags
discovery formbook bi05 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

discovery formbook bi05 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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: behavioral2

Detonation Overview

Submitted

2024-08-30 13:22

Reported

2024-08-30 13:24

Platform

win10v2004-20240802-en

Max time kernel

139s

Max time network

130s

Command Line

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

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\EDG9502024072.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

Suspicious behavior: MapViewOfSection

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

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:\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\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 220 -ip 220

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 724

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3996,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3860 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.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 55.36.223.20.in-addr.arpa udp

Files

memory/220-10-0x0000000003B10000-0x0000000003B14000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 13:22

Reported

2024-08-30 13:24

Platform

win7-20240704-en

Max time kernel

148s

Max time network

153s

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 2308 set thread context of 2180 N/A C:\Users\Admin\AppData\Local\Temp\EDG9502024072.exe C:\Windows\SysWOW64\svchost.exe
PID 2180 set thread context of 1256 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2180 set thread context of 1256 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2284 set thread context of 1256 N/A C:\Windows\SysWOW64\cmmon32.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\cmmon32.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\cmmon32.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\cmmon32.exe

"C:\Windows\SysWOW64\cmmon32.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.sjin.info udp
US 8.8.8.8:53 www.olan-paaaa.buzz udp
US 8.8.8.8:53 www.nherited-traits-ant.bond udp
US 8.8.8.8:53 www.ridgenexttechnologies.partners udp
US 8.8.8.8:53 www.refabricated-homes-72652.bond udp
US 8.8.8.8:53 www.swjbcl3.top udp

Files

memory/2308-10-0x0000000000120000-0x0000000000124000-memory.dmp

memory/2180-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-12-0x0000000000970000-0x0000000000C73000-memory.dmp

memory/2180-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2180-15-0x00000000001C0000-0x00000000001D4000-memory.dmp

memory/1256-16-0x0000000006960000-0x0000000006A89000-memory.dmp

memory/1256-21-0x00000000076C0000-0x0000000007843000-memory.dmp

memory/1256-20-0x0000000006960000-0x0000000006A89000-memory.dmp

memory/2180-19-0x0000000000270000-0x0000000000284000-memory.dmp

memory/2180-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2284-22-0x0000000000110000-0x000000000011D000-memory.dmp

memory/2284-24-0x0000000000110000-0x000000000011D000-memory.dmp

memory/2284-25-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1256-26-0x00000000076C0000-0x0000000007843000-memory.dmp

memory/1256-31-0x0000000007850000-0x00000000079CE000-memory.dmp

memory/1256-33-0x0000000007850000-0x00000000079CE000-memory.dmp

memory/1256-34-0x0000000007850000-0x00000000079CE000-memory.dmp