Malware Analysis Report

2025-01-18 12:23

Sample ID 240829-g3etssxekc
Target 14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628
SHA256 14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628
Tags
formbook b48n 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628

Threat Level: Known bad

The file 14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628 was found to be: Known bad.

Malicious Activity Summary

formbook b48n 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

2024-08-29 06:19

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-29 06:19

Reported

2024-08-29 06:22

Platform

win11-20240802-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.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\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 1144 wrote to memory of 2208 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

Processes

C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"

C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1144-0-0x000000007446E000-0x000000007446F000-memory.dmp

memory/1144-1-0x00000000007B0000-0x000000000084C000-memory.dmp

memory/1144-2-0x0000000005920000-0x0000000005EC6000-memory.dmp

memory/1144-3-0x0000000005370000-0x0000000005402000-memory.dmp

memory/1144-4-0x0000000074460000-0x0000000074C11000-memory.dmp

memory/1144-5-0x0000000005630000-0x000000000563A000-memory.dmp

memory/1144-6-0x0000000007F80000-0x0000000007F98000-memory.dmp

memory/1144-7-0x000000007446E000-0x000000007446F000-memory.dmp

memory/1144-8-0x0000000074460000-0x0000000074C11000-memory.dmp

memory/1144-9-0x00000000064D0000-0x0000000006546000-memory.dmp

memory/1144-10-0x0000000006730000-0x00000000067CC000-memory.dmp

memory/2208-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1144-13-0x0000000074460000-0x0000000074C11000-memory.dmp

memory/2208-14-0x0000000001400000-0x0000000001756000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-29 06:19

Reported

2024-08-29 06:22

Platform

win10v2004-20240802-en

Max time kernel

133s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.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\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe
PID 4308 wrote to memory of 3256 N/A C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

Processes

C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"

C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe

"C:\Users\Admin\AppData\Local\Temp\14d4d6df33e96af2a1d5ef8f8e7f6f1b914b0342b219c75f812848f52bc27628.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 44.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa 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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4308-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

memory/4308-1-0x00000000003E0000-0x000000000047C000-memory.dmp

memory/4308-2-0x0000000005420000-0x00000000059C4000-memory.dmp

memory/4308-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

memory/4308-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

memory/4308-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

memory/4308-6-0x0000000006200000-0x0000000006218000-memory.dmp

memory/4308-7-0x00000000747AE000-0x00000000747AF000-memory.dmp

memory/4308-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

memory/4308-9-0x0000000006240000-0x00000000062B6000-memory.dmp

memory/4308-10-0x000000000A0E0000-0x000000000A17C000-memory.dmp

memory/3256-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4308-13-0x00000000747A0000-0x0000000074F50000-memory.dmp

memory/3256-14-0x0000000001310000-0x000000000165A000-memory.dmp