Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-l96nbafa38
Target 2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.zip
SHA256 6d6d3ebaac48c09e1bd684cebde645f5e55a47d48365deb92196982e57a74c46
Tags
formbook ns03 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

6d6d3ebaac48c09e1bd684cebde645f5e55a47d48365deb92196982e57a74c46

Threat Level: Known bad

The file 2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.zip was found to be: Known bad.

Malicious Activity Summary

formbook ns03 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2492 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2492 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2632 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2632 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2632 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Windows\SysWOW64\WerFault.exe
PID 2632 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 36

Network

N/A

Files

memory/2492-0-0x0000000001090000-0x000000000112A000-memory.dmp

memory/2492-1-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2492-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

memory/2492-3-0x00000000002E0000-0x00000000002F2000-memory.dmp

memory/2492-4-0x00000000004A0000-0x00000000004AC000-memory.dmp

memory/2492-5-0x0000000004C50000-0x0000000004CC6000-memory.dmp

memory/2632-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2492-12-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2632-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2632-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2632-6-0x0000000000400000-0x000000000042F000-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\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.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 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe
PID 2256 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe

"C:\Users\Admin\AppData\Local\Temp\2eab6a48a08726441514655a1d84a3921af8139cd2e7b61f23a30c11785f28f2.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 202.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 24.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/2256-0-0x00000000002E0000-0x000000000037A000-memory.dmp

memory/2256-1-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/2256-2-0x00000000051B0000-0x0000000005754000-memory.dmp

memory/2256-3-0x0000000004CA0000-0x0000000004D32000-memory.dmp

memory/2256-4-0x0000000004E90000-0x0000000004EA0000-memory.dmp

memory/2256-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

memory/2256-6-0x0000000004F40000-0x0000000004FDC000-memory.dmp

memory/2256-7-0x0000000004F10000-0x0000000004F22000-memory.dmp

memory/2256-8-0x0000000004F30000-0x0000000004F3C000-memory.dmp

memory/2256-9-0x0000000006230000-0x00000000062A6000-memory.dmp

memory/1408-10-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2256-12-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/1408-13-0x00000000014B0000-0x00000000017FA000-memory.dmp