Malware Analysis Report

2025-01-18 12:31

Sample ID 240901-eazbma1apn
Target 833c675b6b2cfb047c0afc0cca8707cf4631776822e58089fffa24fbc53374ec
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: 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

833c675b6b2cfb047c0afc0cca8707cf4631776822e58089fffa24fbc53374ec

Threat Level: Known bad

The file 833c675b6b2cfb047c0afc0cca8707cf4631776822e58089fffa24fbc53374ec 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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 03:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-01 03:44

Reported

2024-09-01 03:47

Platform

win7-20240705-en

Max time kernel

119s

Max time network

124s

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
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 2388 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2388 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2388 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2388 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2388 wrote to memory of 2604 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\tmpFDB0.tmp"

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

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

Network

N/A

Files

memory/2388-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2388-1-0x00000000008D0000-0x000000000095E000-memory.dmp

memory/2388-2-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2388-3-0x0000000000530000-0x000000000053E000-memory.dmp

memory/2388-4-0x00000000748EE000-0x00000000748EF000-memory.dmp

memory/2388-5-0x00000000748E0000-0x0000000074FCE000-memory.dmp

memory/2388-6-0x0000000001F50000-0x0000000001FA8000-memory.dmp

memory/2604-19-0x0000000000401000-0x000000000042F000-memory.dmp

memory/2604-20-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

memory/2604-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2604-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2604-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2604-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2388-21-0x00000000748E0000-0x0000000074FCE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 03:44

Reported

2024-09-01 03:47

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

154s

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-1-5-21-656926755-4116854191-210765258-1000\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 2888 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 408 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Windows\SysWOW64\schtasks.exe
PID 2888 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 N/A C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe C:\Users\Admin\AppData\Local\Temp\4518e39cae8a580d388d0a729d38235d6324d4db1c596ad3db06d661131924b6.exe
PID 2888 wrote to memory of 3648 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\tmp55EB.tmp"

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

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

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 150.171.28.10:443 g.bing.com tcp
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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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

Files

memory/2888-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

memory/2888-1-0x00000000008D0000-0x000000000095E000-memory.dmp

memory/2888-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

memory/2888-3-0x0000000005330000-0x00000000053C2000-memory.dmp

memory/2888-4-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2888-5-0x00000000053F0000-0x00000000053FA000-memory.dmp

memory/2888-6-0x0000000005670000-0x000000000567E000-memory.dmp

memory/2888-7-0x00000000744CE000-0x00000000744CF000-memory.dmp

memory/2888-8-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/2888-9-0x0000000007F50000-0x0000000007FEC000-memory.dmp

memory/2888-10-0x0000000007FF0000-0x0000000008048000-memory.dmp

memory/3648-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2888-18-0x00000000744C0000-0x0000000074C70000-memory.dmp

memory/3648-19-0x00000000010B0000-0x00000000013FA000-memory.dmp

memory/3648-20-0x00000000010B0000-0x00000000013FA000-memory.dmp