Malware Analysis Report

2025-04-14 08:32

Sample ID 240924-br5m7awakd
Target 58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
SHA256 58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60
Tags
formbook j62t 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

58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60

Threat Level: Known bad

The file 58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe was found to be: Known bad.

Malicious Activity Summary

formbook j62t discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-24 01:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-24 01:23

Reported

2024-09-24 01:26

Platform

win7-20240903-en

Max time kernel

105s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.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

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\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 1620 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

Processes

C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe"

C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe"

Network

N/A

Files

memory/1620-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/1620-1-0x0000000000990000-0x0000000000A56000-memory.dmp

memory/1620-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/1620-3-0x00000000006F0000-0x0000000000702000-memory.dmp

memory/1620-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/1620-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/1620-6-0x0000000004F90000-0x0000000005006000-memory.dmp

memory/2904-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2904-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2904-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2904-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1620-12-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/2904-13-0x0000000000A60000-0x0000000000D63000-memory.dmp

memory/2904-14-0x0000000000A60000-0x0000000000D63000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-24 01:23

Reported

2024-09-24 01:26

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

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\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe
PID 3084 wrote to memory of 2020 N/A C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

Processes

C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe"

C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe

"C:\Users\Admin\AppData\Local\Temp\58cdcd2f49080d4471ffd169eb6cfe86f9efae01e45423492d0e31a4db510d60.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3084-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

memory/3084-1-0x0000000000170000-0x0000000000236000-memory.dmp

memory/3084-2-0x0000000005250000-0x00000000057F4000-memory.dmp

memory/3084-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

memory/3084-4-0x0000000004C30000-0x0000000004C3A000-memory.dmp

memory/3084-5-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/3084-6-0x0000000005220000-0x0000000005232000-memory.dmp

memory/3084-7-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

memory/3084-8-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/3084-9-0x0000000006550000-0x00000000065C6000-memory.dmp

memory/3084-10-0x0000000008BF0000-0x0000000008C8C000-memory.dmp

memory/2020-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3084-13-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/2020-14-0x0000000001840000-0x0000000001B8A000-memory.dmp