Malware Analysis Report

2025-01-18 12:26

Sample ID 240830-19pgcszdpl
Target 140c67ee8edcfc2c04ea4312e95f80e0.zip
SHA256 78a84bac46aef38e745ddf44119e2d8207e35a1600eb35a9b22c4cc69c8c3e6c
Tags
formbook pe 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

78a84bac46aef38e745ddf44119e2d8207e35a1600eb35a9b22c4cc69c8c3e6c

Threat Level: Known bad

The file 140c67ee8edcfc2c04ea4312e95f80e0.zip was found to be: Known bad.

Malicious Activity Summary

formbook pe discovery rat spyware stealer trojan

Formbook

Formbook payload

Drops startup file

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 22:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 22:21

Reported

2024-08-30 22:23

Platform

win7-20240708-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ungirt.vbe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe 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\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 2468 wrote to memory of 3064 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

Processes

C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

Network

N/A

Files

memory/3064-4-0x0000000000400000-0x000000000042A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 22:21

Reported

2024-08-30 22:23

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ungirt.vbe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe 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\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe
PID 3672 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

Processes

C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe

"C:\Users\Admin\AppData\Local\Temp\299dd5c3192a96d29e2eacb650c5235a4aadc3e7ec921e89940fb77519700d66.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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

Files

memory/3672-2-0x0000000077A11000-0x0000000077B31000-memory.dmp

memory/3936-5-0x0000000000400000-0x000000000042A000-memory.dmp

memory/3672-6-0x0000000077A11000-0x0000000077B31000-memory.dmp