Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-qt79esbe9x
Target 12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.zip
SHA256 8456f10ccb5a785e3d6b70cfd6890a7a643bdea5061eb17ea154ffb1d69fb302
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

8456f10ccb5a785e3d6b70cfd6890a7a643bdea5061eb17ea154ffb1d69fb302

Threat Level: Known bad

The file 12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.zip was found to be: Known bad.

Malicious Activity Summary

formbook ns03 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 13:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 13:34

Reported

2024-04-02 13:38

Platform

win7-20240221-en

Max time kernel

121s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.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\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 2656 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

Network

N/A

Files

memory/2656-0-0x0000000000EB0000-0x0000000000F4C000-memory.dmp

memory/2656-1-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2656-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

memory/2656-3-0x0000000000640000-0x0000000000654000-memory.dmp

memory/2656-5-0x0000000000910000-0x000000000091C000-memory.dmp

memory/2656-4-0x0000000000900000-0x000000000090A000-memory.dmp

memory/2656-6-0x0000000005200000-0x0000000005276000-memory.dmp

memory/2460-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2460-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2460-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2460-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2656-14-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2460-15-0x0000000000970000-0x0000000000C73000-memory.dmp

memory/2460-16-0x0000000000970000-0x0000000000C73000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 13:34

Reported

2024-04-02 13:37

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.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 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe
PID 4256 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

Processes

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe"

C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.exe

"C:\Users\Admin\AppData\Local\Temp\12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4.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 19.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 9.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 153.141.79.40.in-addr.arpa udp

Files

memory/4256-0-0x0000000074A90000-0x0000000075240000-memory.dmp

memory/4256-1-0x0000000000E10000-0x0000000000EAC000-memory.dmp

memory/4256-2-0x0000000005E70000-0x0000000006414000-memory.dmp

memory/4256-3-0x00000000058C0000-0x0000000005952000-memory.dmp

memory/4256-4-0x0000000005A90000-0x0000000005AA0000-memory.dmp

memory/4256-5-0x0000000003450000-0x000000000345A000-memory.dmp

memory/4256-6-0x0000000005C30000-0x0000000005C44000-memory.dmp

memory/4256-7-0x0000000005C50000-0x0000000005C5A000-memory.dmp

memory/4256-8-0x0000000005C60000-0x0000000005C6C000-memory.dmp

memory/4256-9-0x0000000006BC0000-0x0000000006C36000-memory.dmp

memory/4256-10-0x00000000094D0000-0x000000000956C000-memory.dmp

memory/2308-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2308-13-0x0000000001560000-0x00000000018AA000-memory.dmp

memory/4256-14-0x0000000074A90000-0x0000000075240000-memory.dmp