Malware Analysis Report

2025-01-18 12:40

Sample ID 240402-mq4v2sfe2s
Target 8e0cab6e15c8ecf53d170b396a5cdb6db74f1a8cc5bfd408ef5d480f25fa358c.zip
SHA256 649c333f634bc72e04868a641f8ddfca71bc3099913c958c3116ff191a75336b
Tags
formbook ns03 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

649c333f634bc72e04868a641f8ddfca71bc3099913c958c3116ff191a75336b

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 UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-02 10:41

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-02 10:41

Reported

2024-04-02 10:43

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

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 684 set thread context of 1256 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1256 set thread context of 3448 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\Explorer.EXE
PID 3304 set thread context of 3448 N/A C:\Windows\SysWOW64\netsh.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\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A
N/A N/A C:\Windows\SysWOW64\netsh.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\netsh.exe N/A

Suspicious use of UnmapMainImage

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

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\autoconv.exe

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

C:\Windows\SysWOW64\netsh.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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.armacao-de-oculos.com udp
FR 99.86.91.78:80 www.armacao-de-oculos.com tcp
US 8.8.8.8:53 78.91.86.99.in-addr.arpa udp
US 8.8.8.8:53 www.ambiatec.solutions udp
US 8.8.8.8:53 www.pocket-option.tech udp
JP 150.95.255.38:80 www.pocket-option.tech tcp
US 8.8.8.8:53 38.255.95.150.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.quantumaster.online udp
US 34.202.63.170:80 www.quantumaster.online tcp
US 8.8.8.8:53 170.63.202.34.in-addr.arpa udp
US 8.8.8.8:53 www.bmcj365.com udp
US 8.8.8.8:53 www.signature-perfect.com udp
HK 154.209.167.59:80 www.signature-perfect.com tcp
US 8.8.8.8:53 59.167.209.154.in-addr.arpa udp

Files

memory/684-1-0x0000000075290000-0x0000000075A40000-memory.dmp

memory/684-0-0x0000000000480000-0x000000000051C000-memory.dmp

memory/684-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

memory/684-3-0x0000000004F90000-0x0000000005022000-memory.dmp

memory/684-4-0x0000000004F70000-0x0000000004F80000-memory.dmp

memory/684-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

memory/684-6-0x0000000005230000-0x0000000005244000-memory.dmp

memory/684-7-0x0000000006270000-0x000000000627A000-memory.dmp

memory/684-8-0x0000000006280000-0x000000000628C000-memory.dmp

memory/684-9-0x00000000062C0000-0x0000000006336000-memory.dmp

memory/684-10-0x0000000008B20000-0x0000000008BBC000-memory.dmp

memory/1256-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/684-13-0x0000000075290000-0x0000000075A40000-memory.dmp

memory/1256-14-0x0000000001150000-0x000000000149A000-memory.dmp

memory/1256-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1256-17-0x0000000000DF0000-0x0000000000E04000-memory.dmp

memory/3448-18-0x000000000A520000-0x000000000A69B000-memory.dmp

memory/3304-19-0x0000000001290000-0x00000000012AE000-memory.dmp

memory/3304-21-0x0000000001290000-0x00000000012AE000-memory.dmp

memory/3304-22-0x0000000000990000-0x00000000009BF000-memory.dmp

memory/3304-23-0x0000000001600000-0x000000000194A000-memory.dmp

memory/3304-24-0x0000000000990000-0x00000000009BF000-memory.dmp

memory/3304-25-0x0000000001500000-0x0000000001593000-memory.dmp

memory/3448-27-0x000000000A520000-0x000000000A69B000-memory.dmp

memory/3448-28-0x0000000008740000-0x0000000008820000-memory.dmp

memory/3448-30-0x0000000008740000-0x0000000008820000-memory.dmp

memory/3448-33-0x0000000008740000-0x0000000008820000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-02 10:41

Reported

2024-04-02 10:43

Platform

win7-20240221-en

Max time kernel

145s

Max time network

124s

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1668 set thread context of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 2572 set thread context of 1240 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Windows\Explorer.EXE

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\msiexec.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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1668 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1240 wrote to memory of 2552 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 2552 wrote to memory of 2588 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2588 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2588 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2552 wrote to memory of 2588 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.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\msiexec.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 272

Network

N/A

Files

memory/1668-0-0x0000000000BC0000-0x0000000000C5C000-memory.dmp

memory/1668-1-0x0000000074260000-0x000000007494E000-memory.dmp

memory/1668-2-0x0000000004C90000-0x0000000004CD0000-memory.dmp

memory/1668-3-0x0000000000280000-0x0000000000294000-memory.dmp

memory/1668-5-0x00000000003D0000-0x00000000003DC000-memory.dmp

memory/1668-4-0x00000000003C0000-0x00000000003CA000-memory.dmp

memory/1668-6-0x0000000005240000-0x00000000052B6000-memory.dmp

memory/2572-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1668-14-0x0000000074260000-0x000000007494E000-memory.dmp

memory/2572-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2572-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2572-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2572-15-0x0000000000770000-0x0000000000A73000-memory.dmp

memory/2572-17-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1240-19-0x0000000003800000-0x0000000003900000-memory.dmp

memory/2572-18-0x00000000003D0000-0x00000000003E4000-memory.dmp

memory/1240-20-0x00000000064F0000-0x00000000065DC000-memory.dmp

memory/2552-21-0x0000000000690000-0x00000000006A4000-memory.dmp

memory/2552-22-0x0000000000690000-0x00000000006A4000-memory.dmp

memory/2552-24-0x0000000000690000-0x00000000006A4000-memory.dmp

memory/1240-27-0x00000000064F0000-0x00000000065DC000-memory.dmp