Malware Analysis Report

2025-01-18 12:36

Sample ID 240901-a4djssvemn
Target 9bbdfbdfbfc6807ee9bae456d17987c6.zip
SHA256 833c675b6b2cfb047c0afc0cca8707cf4631776822e58089fffa24fbc53374ec
Tags
formbook g8ni 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: 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

833c675b6b2cfb047c0afc0cca8707cf4631776822e58089fffa24fbc53374ec

Threat Level: Known bad

The file 9bbdfbdfbfc6807ee9bae456d17987c6.zip was found to be: Known bad.

Malicious Activity Summary

formbook g8ni discovery rat spyware stealer trojan

Formbook

Formbook payload

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 00:45

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 00:45

Reported

2024-09-01 00:48

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe N/A

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\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2716 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2716 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2716 wrote to memory of 1808 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2716 wrote to memory of 4524 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zeVezGXu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2064.tmp"

C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2716-0-0x000000007482E000-0x000000007482F000-memory.dmp

memory/2716-1-0x0000000000F40000-0x0000000000FCE000-memory.dmp

memory/2716-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

memory/2716-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

memory/2716-5-0x0000000074820000-0x0000000074FD0000-memory.dmp

memory/2716-4-0x0000000005B70000-0x0000000005B7A000-memory.dmp

memory/2716-6-0x0000000005D90000-0x0000000005D9E000-memory.dmp

memory/2716-7-0x000000007482E000-0x000000007482F000-memory.dmp

memory/2716-8-0x0000000074820000-0x0000000074FD0000-memory.dmp

memory/2716-9-0x00000000084C0000-0x000000000855C000-memory.dmp

memory/2716-10-0x0000000006EA0000-0x0000000006EF8000-memory.dmp

memory/4524-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2716-19-0x0000000074820000-0x0000000074FD0000-memory.dmp

memory/4524-18-0x00000000012C0000-0x000000000160A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 00:45

Reported

2024-09-01 00:48

Platform

win7-20240705-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

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\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2116 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2116 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2116 wrote to memory of 2724 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2116 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zeVezGXu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B41.tmp"

C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe

"C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe"

Network

N/A

Files

memory/2116-0-0x00000000742FE000-0x00000000742FF000-memory.dmp

memory/2116-1-0x0000000000910000-0x000000000099E000-memory.dmp

memory/2116-2-0x00000000742F0000-0x00000000749DE000-memory.dmp

memory/2116-3-0x0000000000480000-0x000000000048E000-memory.dmp

memory/2116-4-0x00000000742F0000-0x00000000749DE000-memory.dmp

memory/2116-5-0x00000000020C0000-0x0000000002118000-memory.dmp

memory/2628-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2628-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2628-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2628-18-0x0000000000B30000-0x0000000000E33000-memory.dmp

memory/2116-17-0x00000000742F0000-0x00000000749DE000-memory.dmp