Malware Analysis Report

2024-12-07 03:29

Sample ID 241113-cta22avdjf
Target 4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
SHA256 4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f
Tags
formbook m17o discovery execution 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

4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f

Threat Level: Known bad

The file 4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe was found to be: Known bad.

Malicious Activity Summary

formbook m17o discovery execution rat spyware stealer trojan

Formbook family

Formbook

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 02:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 02:21

Reported

2024-11-13 02:24

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

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\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2868 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2100 wrote to memory of 2624 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2624 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WerFault.exe
PID 2624 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WerFault.exe
PID 2624 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WerFault.exe
PID 2624 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 36

Network

N/A

Files

memory/2100-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

memory/2100-1-0x0000000000F50000-0x0000000000FE8000-memory.dmp

memory/2100-2-0x0000000074E90000-0x000000007557E000-memory.dmp

memory/2100-3-0x0000000000590000-0x00000000005A2000-memory.dmp

memory/2100-4-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

memory/2100-5-0x0000000074E90000-0x000000007557E000-memory.dmp

memory/2100-6-0x0000000005190000-0x0000000005208000-memory.dmp

memory/2624-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2624-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2624-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2624-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2100-13-0x0000000074E90000-0x000000007557E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 02:21

Reported

2024-11-13 02:24

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.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

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe N/A

Enumerates physical storage devices

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\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2476 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2476 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2476 wrote to memory of 3332 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe
PID 2476 wrote to memory of 4124 N/A C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe

"C:\Users\Admin\AppData\Local\Temp\4a78c8f9b9321dd93c0e1c9e325271c434aa194d67e9d63b73c66c054d44049f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2476-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2476-1-0x0000000000BE0000-0x0000000000C78000-memory.dmp

memory/2476-2-0x0000000005BF0000-0x0000000006194000-memory.dmp

memory/2476-3-0x00000000056E0000-0x0000000005772000-memory.dmp

memory/2476-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/2476-5-0x0000000005680000-0x000000000568A000-memory.dmp

memory/2476-6-0x0000000005990000-0x0000000005A2C000-memory.dmp

memory/2476-7-0x00000000058B0000-0x00000000058C2000-memory.dmp

memory/2476-8-0x00000000747CE000-0x00000000747CF000-memory.dmp

memory/2476-9-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/2476-10-0x0000000006D60000-0x0000000006DD8000-memory.dmp

memory/4124-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2476-13-0x00000000747C0000-0x0000000074F70000-memory.dmp

memory/4124-14-0x0000000001650000-0x000000000199A000-memory.dmp

memory/3332-15-0x000000007484E000-0x000000007484F000-memory.dmp

memory/3332-16-0x0000000004E30000-0x0000000004E66000-memory.dmp

memory/3332-18-0x00000000054C0000-0x0000000005AE8000-memory.dmp

memory/3332-17-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3332-19-0x0000000005400000-0x0000000005422000-memory.dmp

memory/3332-20-0x0000000005C60000-0x0000000005CC6000-memory.dmp

memory/3332-21-0x0000000005D80000-0x0000000005DE6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a0iylu1q.f11.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3332-31-0x0000000005DF0000-0x0000000006144000-memory.dmp

memory/3332-32-0x00000000063C0000-0x00000000063DE000-memory.dmp

memory/3332-33-0x00000000063F0000-0x000000000643C000-memory.dmp

memory/3332-34-0x0000000007380000-0x00000000073B2000-memory.dmp

memory/3332-35-0x0000000070660000-0x00000000706AC000-memory.dmp

memory/3332-45-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3332-47-0x00000000075C0000-0x0000000007663000-memory.dmp

memory/3332-46-0x00000000069A0000-0x00000000069BE000-memory.dmp

memory/3332-48-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3332-49-0x0000000074840000-0x0000000074FF0000-memory.dmp

memory/3332-50-0x0000000007D50000-0x00000000083CA000-memory.dmp

memory/3332-51-0x0000000007710000-0x000000000772A000-memory.dmp

memory/3332-52-0x0000000007780000-0x000000000778A000-memory.dmp

memory/3332-53-0x0000000007990000-0x0000000007A26000-memory.dmp

memory/3332-54-0x0000000007910000-0x0000000007921000-memory.dmp

memory/3332-55-0x0000000007940000-0x000000000794E000-memory.dmp

memory/3332-56-0x0000000007950000-0x0000000007964000-memory.dmp

memory/3332-57-0x0000000007A50000-0x0000000007A6A000-memory.dmp

memory/3332-58-0x0000000007A30000-0x0000000007A38000-memory.dmp

memory/3332-61-0x0000000074840000-0x0000000074FF0000-memory.dmp