Malware Analysis Report

2025-08-05 23:18

Sample ID 250115-2cfzdsxmfy
Target 59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe
SHA256 59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2
Tags
formbook nw03 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: 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

59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2

Threat Level: Known bad

The file 59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe was found to be: Known bad.

Malicious Activity Summary

formbook nw03 discovery rat spyware stealer trojan

Formbook family

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 22:25

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 22:25

Reported

2025-01-15 22:28

Platform

win7-20241010-en

Max time kernel

118s

Max time network

124s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2816 set thread context of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 set thread context of 1212 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 3048 set thread context of 1212 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE

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\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2816 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2816 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2816 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2816 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2816 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 1212 wrote to memory of 3048 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1212 wrote to memory of 3048 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1212 wrote to memory of 3048 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 1212 wrote to memory of 3048 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\explorer.exe
PID 3048 wrote to memory of 2912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 3048 wrote to memory of 2912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 3048 wrote to memory of 2912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe
PID 3048 wrote to memory of 2912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe

"C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"

C:\Windows\SysWOW64\explorer.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.irasawa.email udp
US 8.8.8.8:53 www.ilmguru.net udp
US 8.8.8.8:53 www.qb530706n.vip udp
US 8.8.8.8:53 www.1mybm0-unlockacc0unt.info udp

Files

memory/2816-2-0x0000000000760000-0x0000000000B60000-memory.dmp

memory/2888-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2888-4-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

memory/2888-7-0x0000000000140000-0x0000000000154000-memory.dmp

memory/2888-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1212-8-0x0000000006F80000-0x00000000070D5000-memory.dmp

memory/3048-9-0x0000000000320000-0x00000000005A1000-memory.dmp

memory/3048-10-0x0000000000320000-0x00000000005A1000-memory.dmp

memory/3048-11-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1212-12-0x0000000006F80000-0x00000000070D5000-memory.dmp

memory/1212-18-0x00000000065A0000-0x0000000006663000-memory.dmp

memory/1212-19-0x00000000065A0000-0x0000000006663000-memory.dmp

memory/1212-21-0x00000000065A0000-0x0000000006663000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-15 22:25

Reported

2025-01-15 22:30

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

119s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Formbook family

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3160 set thread context of 2196 N/A C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe C:\Windows\SysWOW64\svchost.exe
PID 2196 set thread context of 3560 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2140 set thread context of 3560 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\Explorer.EXE

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\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe

"C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\59e8de29b4c037daed8c68ea9cdd7eac9531bdac170e7967ed84e38bd62327c2N.exe"

C:\Windows\SysWOW64\autofmt.exe

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

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\SysWOW64\rundll32.exe"

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 www.ronde.xyz udp
US 76.223.54.146:80 www.ronde.xyz tcp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 www.amayartelevision.online udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.nline-advertising-15387.bond udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.luxhaven.store udp
US 8.8.8.8:53 www.d5t.lat udp

Files

memory/3160-2-0x0000000001130000-0x0000000001530000-memory.dmp

memory/2196-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2196-4-0x0000000001700000-0x0000000001A4A000-memory.dmp

memory/2196-7-0x00000000015C0000-0x00000000015D4000-memory.dmp

memory/2196-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3560-8-0x0000000008BF0000-0x0000000008D69000-memory.dmp

memory/2140-9-0x0000000000F00000-0x0000000000F14000-memory.dmp

memory/2140-11-0x0000000000F00000-0x0000000000F14000-memory.dmp

memory/2140-12-0x0000000000FD0000-0x0000000000FFF000-memory.dmp

memory/3560-13-0x0000000008BF0000-0x0000000008D69000-memory.dmp

memory/3560-17-0x0000000008D70000-0x0000000008EF4000-memory.dmp

memory/3560-18-0x0000000008D70000-0x0000000008EF4000-memory.dmp

memory/3560-20-0x0000000008D70000-0x0000000008EF4000-memory.dmp