Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-qva1babf2t
Target 8e0cab6e15c8ecf53d170b396a5cdb6db74f1a8cc5bfd408ef5d480f25fa358c.zip
SHA256 5ad03ede42ecaf011cc8fa676bfaf5994dbb1a90ba19d9b0ccf02138942f9016
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

5ad03ede42ecaf011cc8fa676bfaf5994dbb1a90ba19d9b0ccf02138942f9016

Threat Level: Known bad

The file 8e0cab6e15c8ecf53d170b396a5cdb6db74f1a8cc5bfd408ef5d480f25fa358c.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 UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

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 13:37

Platform

win7-20231129-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.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 SetThreadContext

Description Indicator Process Target
PID 2380 set thread context of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2380 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2536 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\SysWOW64\WerFault.exe
PID 2536 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\SysWOW64\WerFault.exe
PID 2536 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\SysWOW64\WerFault.exe
PID 2536 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe

"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"

C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe

"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 36

Network

N/A

Files

memory/2380-0-0x0000000000FF0000-0x000000000108C000-memory.dmp

memory/2380-1-0x00000000748B0000-0x0000000074F9E000-memory.dmp

memory/2380-2-0x00000000008A0000-0x00000000008E0000-memory.dmp

memory/2380-3-0x0000000000960000-0x0000000000974000-memory.dmp

memory/2380-5-0x00000000009E0000-0x00000000009EC000-memory.dmp

memory/2380-4-0x00000000009D0000-0x00000000009DA000-memory.dmp

memory/2380-6-0x0000000004FE0000-0x0000000005056000-memory.dmp

memory/2380-13-0x00000000748B0000-0x0000000074F9E000-memory.dmp

memory/2536-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2536-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2536-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2536-7-0x0000000000400000-0x000000000042F000-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

149s

Max time network

143s

Command Line

C:\Windows\Explorer.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1444 set thread context of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2576 set thread context of 3352 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\Explorer.EXE
PID 4016 set thread context of 3352 N/A C:\Windows\SysWOW64\wscript.exe C:\Windows\Explorer.EXE

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wscript.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1444 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 3352 wrote to memory of 4016 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 3352 wrote to memory of 4016 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 3352 wrote to memory of 4016 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wscript.exe
PID 4016 wrote to memory of 4640 N/A C:\Windows\SysWOW64\wscript.exe C:\Windows\SysWOW64\cmd.exe
PID 4016 wrote to memory of 4640 N/A C:\Windows\SysWOW64\wscript.exe C:\Windows\SysWOW64\cmd.exe
PID 4016 wrote to memory of 4640 N/A C:\Windows\SysWOW64\wscript.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe

"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"

C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe

"C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"

C:\Windows\SysWOW64\wscript.exe

"C:\Windows\SysWOW64\wscript.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 www.agathis.fun udp
US 188.114.96.2:80 www.agathis.fun tcp
US 8.8.8.8:53 2.96.114.188.in-addr.arpa udp
US 8.8.8.8:53 201.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.taiyuanbaoyang.com udp
US 104.21.90.194:80 www.taiyuanbaoyang.com tcp
US 8.8.8.8:53 194.90.21.104.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.adilosk.shop udp
LT 84.32.84.32:80 www.adilosk.shop tcp
US 8.8.8.8:53 32.84.32.84.in-addr.arpa udp
US 8.8.8.8:53 www.clintomator.com udp
US 66.29.141.205:80 www.clintomator.com tcp
US 8.8.8.8:53 205.141.29.66.in-addr.arpa udp

Files

memory/1444-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

memory/1444-0-0x0000000000C90000-0x0000000000D2C000-memory.dmp

memory/1444-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

memory/1444-3-0x0000000005750000-0x00000000057E2000-memory.dmp

memory/1444-4-0x0000000005940000-0x0000000005950000-memory.dmp

memory/1444-5-0x0000000005720000-0x000000000572A000-memory.dmp

memory/1444-6-0x0000000005CC0000-0x0000000005CD4000-memory.dmp

memory/1444-7-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

memory/1444-8-0x0000000005CF0000-0x0000000005CFC000-memory.dmp

memory/1444-9-0x00000000068E0000-0x0000000006956000-memory.dmp

memory/1444-10-0x0000000006BA0000-0x0000000006C3C000-memory.dmp

memory/2576-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1444-13-0x0000000075330000-0x0000000075AE0000-memory.dmp

memory/2576-14-0x0000000001610000-0x000000000195A000-memory.dmp

memory/2576-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2576-17-0x00000000015B0000-0x00000000015C4000-memory.dmp

memory/3352-18-0x0000000008120000-0x000000000823C000-memory.dmp

memory/4016-19-0x0000000000800000-0x0000000000827000-memory.dmp

memory/4016-20-0x0000000000800000-0x0000000000827000-memory.dmp

memory/4016-21-0x0000000001020000-0x000000000104F000-memory.dmp

memory/4016-22-0x00000000030C0000-0x000000000340A000-memory.dmp

memory/4016-23-0x0000000001020000-0x000000000104F000-memory.dmp

memory/4016-25-0x0000000002F60000-0x0000000002FF3000-memory.dmp

memory/3352-26-0x0000000008120000-0x000000000823C000-memory.dmp

memory/3352-29-0x0000000008300000-0x0000000008461000-memory.dmp

memory/3352-30-0x0000000008300000-0x0000000008461000-memory.dmp

memory/3352-33-0x0000000008300000-0x0000000008461000-memory.dmp