Malware Analysis Report

2025-08-05 16:19

Sample ID 231023-wwn68aea65
Target NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
SHA256 ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997cc
Tags
formbook 5nd2 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

ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997cc

Threat Level: Known bad

The file NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe was found to be: Known bad.

Malicious Activity Summary

formbook 5nd2 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-23 18:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-23 18:16

Reported

2023-10-23 18:27

Platform

win7-20231020-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 668

Network

N/A

Files

memory/2380-0-0x0000000001250000-0x00000000012EA000-memory.dmp

memory/2380-1-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2380-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp

memory/2380-3-0x00000000005A0000-0x00000000005B2000-memory.dmp

memory/2380-4-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2380-5-0x0000000004D80000-0x0000000004DC0000-memory.dmp

memory/2380-6-0x00000000005C0000-0x00000000005D0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-23 18:16

Reported

2023-10-23 18:28

Platform

win10v2004-20231020-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.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 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
PID 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
PID 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
PID 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
PID 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe
PID 3096 wrote to memory of 3536 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.ccd3d1ec6d5b5723225b7d0c6488de099b2b22c5b70bc1c521c148160f5997ccexe_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 29.81.57.23.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

memory/3096-1-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/3096-0-0x00000000009E0000-0x0000000000A7A000-memory.dmp

memory/3096-2-0x0000000005990000-0x0000000005F34000-memory.dmp

memory/3096-3-0x0000000005480000-0x0000000005512000-memory.dmp

memory/3096-4-0x0000000005600000-0x0000000005610000-memory.dmp

memory/3096-5-0x0000000005520000-0x000000000552A000-memory.dmp

memory/3096-6-0x0000000005960000-0x0000000005972000-memory.dmp

memory/3096-7-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/3096-8-0x0000000005600000-0x0000000005610000-memory.dmp

memory/3096-9-0x00000000069D0000-0x00000000069E0000-memory.dmp

memory/3096-10-0x0000000008310000-0x000000000837E000-memory.dmp

memory/3096-11-0x000000000AA90000-0x000000000AB2C000-memory.dmp

memory/3536-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3096-14-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/3536-15-0x0000000000FF0000-0x000000000133A000-memory.dmp

memory/3536-16-0x0000000000FF0000-0x000000000133A000-memory.dmp