Malware Analysis Report

2025-01-18 12:31

Sample ID 240831-lgr98axakn
Target 395812837b0aa6cf4b6a8d3422722949.zip
SHA256 18179c0bcdd6133a9d82b5278c85d88cfe4b08924e5bcb7b0483148e24e93eae
Tags
formbook h0gd 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

18179c0bcdd6133a9d82b5278c85d88cfe4b08924e5bcb7b0483148e24e93eae

Threat Level: Known bad

The file 395812837b0aa6cf4b6a8d3422722949.zip was found to be: Known bad.

Malicious Activity Summary

formbook h0gd discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 09:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 09:30

Reported

2024-08-31 09:33

Platform

win7-20240729-en

Max time kernel

148s

Max time network

16s

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

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\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wlanext.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\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wlanext.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1308 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1196 wrote to memory of 2688 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1196 wrote to memory of 2688 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1196 wrote to memory of 2688 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1196 wrote to memory of 2688 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 2688 wrote to memory of 1624 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 1624 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 1624 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 1624 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe

"C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

C:\Windows\SysWOW64\wlanext.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

N/A

Files

memory/1308-0-0x000000007444E000-0x000000007444F000-memory.dmp

memory/1308-1-0x0000000000070000-0x00000000000E6000-memory.dmp

memory/1308-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

memory/1308-3-0x0000000000580000-0x000000000058E000-memory.dmp

memory/1308-4-0x000000007444E000-0x000000007444F000-memory.dmp

memory/1308-5-0x0000000074440000-0x0000000074B2E000-memory.dmp

memory/1308-6-0x00000000041D0000-0x0000000004228000-memory.dmp

memory/2776-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2776-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2776-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2776-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1308-13-0x0000000074440000-0x0000000074B2E000-memory.dmp

memory/2776-14-0x0000000000B50000-0x0000000000E53000-memory.dmp

memory/2776-17-0x0000000000180000-0x0000000000194000-memory.dmp

memory/2776-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1196-18-0x0000000003E10000-0x0000000003F10000-memory.dmp

memory/1196-19-0x0000000007E70000-0x0000000008002000-memory.dmp

memory/2776-22-0x0000000000250000-0x0000000000264000-memory.dmp

memory/2776-21-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1196-23-0x00000000082F0000-0x000000000848A000-memory.dmp

memory/1196-24-0x0000000007E70000-0x0000000008002000-memory.dmp

memory/2688-27-0x0000000000630000-0x0000000000646000-memory.dmp

memory/2688-25-0x0000000000630000-0x0000000000646000-memory.dmp

memory/2688-28-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1196-29-0x00000000082F0000-0x000000000848A000-memory.dmp

memory/1196-31-0x0000000000070000-0x0000000000170000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 09:30

Reported

2024-08-31 09:33

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

123s

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

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\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wlanext.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\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A
N/A N/A C:\Windows\SysWOW64\wlanext.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wlanext.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 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3076 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3400 wrote to memory of 2972 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 3400 wrote to memory of 2972 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 3400 wrote to memory of 2972 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 2972 wrote to memory of 1260 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2972 wrote to memory of 1260 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2972 wrote to memory of 1260 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe

"C:\Users\Admin\AppData\Local\Temp\798342d87cf72af042f7ba3d59d4c191e46cc7b11da7e618e595911d3b6a8f4b.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

C:\Windows\SysWOW64\wlanext.exe

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

C:\Windows\SysWOW64\cmd.exe

/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 www.savefrsaom.net udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.sofievermeulen.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 www.trejoblanco.com udp
US 15.197.148.33:80 www.trejoblanco.com tcp
US 8.8.8.8:53 33.148.197.15.in-addr.arpa udp

Files

memory/3076-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

memory/3076-1-0x0000000000430000-0x00000000004A6000-memory.dmp

memory/3076-2-0x00000000076C0000-0x0000000007C64000-memory.dmp

memory/3076-3-0x0000000007210000-0x00000000072A2000-memory.dmp

memory/3076-4-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3076-5-0x00000000047F0000-0x00000000047FA000-memory.dmp

memory/3076-6-0x0000000007520000-0x000000000752E000-memory.dmp

memory/3076-7-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

memory/3076-8-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3076-9-0x0000000008550000-0x00000000085EC000-memory.dmp

memory/3076-10-0x00000000086A0000-0x00000000086F8000-memory.dmp

memory/2820-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3076-13-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/2820-14-0x00000000015D0000-0x000000000191A000-memory.dmp

memory/2820-17-0x0000000001510000-0x0000000001524000-memory.dmp

memory/2820-16-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3400-18-0x0000000003320000-0x000000000346C000-memory.dmp

memory/2972-21-0x0000000000D50000-0x0000000000D67000-memory.dmp

memory/2972-19-0x0000000000D50000-0x0000000000D67000-memory.dmp

memory/2972-22-0x00000000007B0000-0x00000000007DF000-memory.dmp

memory/3400-23-0x0000000003320000-0x000000000346C000-memory.dmp

memory/3400-27-0x0000000008660000-0x00000000086FD000-memory.dmp

memory/3400-28-0x0000000008660000-0x00000000086FD000-memory.dmp

memory/3400-30-0x0000000008660000-0x00000000086FD000-memory.dmp