Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-l95e9afa34
Target 12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.zip
SHA256 f07c207bd9abaee1351920216a0348c82092393d0e6cfd9b69a923b4d45e2fd0
Tags
formbook vr01 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f07c207bd9abaee1351920216a0348c82092393d0e6cfd9b69a923b4d45e2fd0

Threat Level: Known bad

The file 12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.zip was found to be: Known bad.

Malicious Activity Summary

formbook vr01 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 10:14

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 10:14

Reported

2024-04-02 10:19

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2212 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe"

C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe"

Network

N/A

Files

memory/2212-0-0x0000000000910000-0x00000000009A0000-memory.dmp

memory/2212-1-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/2212-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

memory/2212-3-0x00000000007A0000-0x00000000007B2000-memory.dmp

memory/2212-4-0x00000000007C0000-0x00000000007CC000-memory.dmp

memory/2212-5-0x0000000005300000-0x0000000005376000-memory.dmp

memory/2212-13-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/2052-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2052-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2052-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2052-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2052-14-0x0000000000C90000-0x0000000000F93000-memory.dmp

memory/2052-15-0x0000000000C90000-0x0000000000F93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 10:14

Reported

2024-04-02 10:19

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe
PID 2848 wrote to memory of 3612 N/A C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe"

C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe

"C:\Users\Admin\AppData\Local\Temp\12fb27d7a59c168a82317baa0b127b8a826cc98dd108fc37fd022d8a842b06bc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.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 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 202.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 121.150.79.40.in-addr.arpa udp

Files

memory/2848-0-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/2848-1-0x0000000000680000-0x0000000000710000-memory.dmp

memory/2848-2-0x00000000057A0000-0x0000000005D44000-memory.dmp

memory/2848-3-0x0000000005100000-0x0000000005192000-memory.dmp

memory/2848-4-0x0000000005080000-0x0000000005090000-memory.dmp

memory/2848-5-0x00000000051B0000-0x00000000051BA000-memory.dmp

memory/2848-6-0x0000000005780000-0x0000000005792000-memory.dmp

memory/2848-7-0x0000000006350000-0x000000000635C000-memory.dmp

memory/2848-8-0x0000000006630000-0x00000000066A6000-memory.dmp

memory/2848-9-0x0000000008D00000-0x0000000008D9C000-memory.dmp

memory/3612-10-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3612-12-0x0000000001770000-0x0000000001ABA000-memory.dmp

memory/2848-13-0x0000000074A90000-0x0000000075240000-memory.dmp