Malware Analysis Report

2025-04-14 08:33

Sample ID 240925-b3k3xszfpf
Target 4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
SHA256 4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94
Tags
formbook g29o 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

4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94

Threat Level: Known bad

The file 4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe was found to be: Known bad.

Malicious Activity Summary

formbook g29o discovery execution rat spyware stealer trojan

Formbook

Formbook payload

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-25 01:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-25 01:40

Reported

2024-09-25 01:42

Platform

win7-20240903-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

Signatures

Formbook

trojan spyware stealer 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\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.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:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2096 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 2096 wrote to memory of 2980 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.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\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

Network

N/A

Files

memory/2096-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

memory/2096-1-0x0000000000A50000-0x0000000000AEA000-memory.dmp

memory/2096-2-0x0000000074E50000-0x000000007553E000-memory.dmp

memory/2096-3-0x0000000000480000-0x0000000000492000-memory.dmp

memory/2096-4-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

memory/2096-5-0x0000000074E50000-0x000000007553E000-memory.dmp

memory/2096-6-0x0000000004E10000-0x0000000004E86000-memory.dmp

memory/2980-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2980-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2980-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2980-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2096-15-0x0000000074E50000-0x000000007553E000-memory.dmp

memory/2980-16-0x0000000000AF0000-0x0000000000DF3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-25 01:40

Reported

2024-09-25 01:42

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

Signatures

Formbook

trojan spyware stealer 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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.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\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.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:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3028 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 4536 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3028 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe
PID 3028 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.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\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe

"C:\Users\Admin\AppData\Local\Temp\4a29c020657514662d82cf92cf660922d45184e961473f08326817611afbbb94.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3028-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/3028-1-0x0000000000800000-0x000000000089A000-memory.dmp

memory/3028-2-0x0000000005830000-0x0000000005DD4000-memory.dmp

memory/3028-3-0x0000000005320000-0x00000000053B2000-memory.dmp

memory/3028-4-0x00000000052A0000-0x00000000052AA000-memory.dmp

memory/3028-5-0x0000000074DE0000-0x0000000075590000-memory.dmp

memory/3028-6-0x00000000056A0000-0x00000000056B2000-memory.dmp

memory/3028-7-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/3028-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

memory/3028-9-0x0000000008E90000-0x0000000008F06000-memory.dmp

memory/3028-10-0x000000000B710000-0x000000000B7AC000-memory.dmp

memory/320-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3028-13-0x0000000074DE0000-0x0000000075590000-memory.dmp

memory/320-14-0x0000000001300000-0x000000000164A000-memory.dmp

memory/4536-15-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

memory/4536-16-0x0000000002100000-0x0000000002136000-memory.dmp

memory/4536-17-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/4536-18-0x0000000004C40000-0x0000000005268000-memory.dmp

memory/4536-19-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/4536-21-0x0000000005270000-0x00000000052D6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1rwweavv.d4y.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4536-22-0x00000000052E0000-0x0000000005346000-memory.dmp

memory/4536-20-0x0000000004B80000-0x0000000004BA2000-memory.dmp

memory/4536-32-0x00000000053D0000-0x0000000005724000-memory.dmp

memory/4536-33-0x0000000005A20000-0x0000000005A3E000-memory.dmp

memory/4536-34-0x0000000005A70000-0x0000000005ABC000-memory.dmp

memory/4536-37-0x0000000070C80000-0x0000000070CCC000-memory.dmp

memory/4536-36-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/4536-35-0x0000000005F60000-0x0000000005F92000-memory.dmp

memory/4536-48-0x0000000006C90000-0x0000000006D33000-memory.dmp

memory/4536-47-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

memory/4536-49-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/4536-50-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/4536-51-0x00000000073C0000-0x0000000007A3A000-memory.dmp

memory/4536-52-0x0000000006D60000-0x0000000006D7A000-memory.dmp

memory/4536-53-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

memory/4536-54-0x0000000006FD0000-0x0000000007066000-memory.dmp

memory/4536-55-0x0000000006F50000-0x0000000006F61000-memory.dmp

memory/4536-56-0x0000000006F80000-0x0000000006F8E000-memory.dmp

memory/4536-57-0x0000000006F90000-0x0000000006FA4000-memory.dmp

memory/4536-58-0x0000000007090000-0x00000000070AA000-memory.dmp

memory/4536-59-0x0000000007070000-0x0000000007078000-memory.dmp

memory/4536-62-0x0000000074E60000-0x0000000075610000-memory.dmp