Malware Analysis Report

2025-04-14 08:33

Sample ID 240925-cmjetssajh
Target 9572bb0d1762099aebf68dda5750923bb31e8477f20bd132bbf8a7952ac0d2f0.img
SHA256 9572bb0d1762099aebf68dda5750923bb31e8477f20bd132bbf8a7952ac0d2f0
Tags
discovery persistence formbook e62s 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

9572bb0d1762099aebf68dda5750923bb31e8477f20bd132bbf8a7952ac0d2f0

Threat Level: Known bad

The file 9572bb0d1762099aebf68dda5750923bb31e8477f20bd132bbf8a7952ac0d2f0.img was found to be: Known bad.

Malicious Activity Summary

discovery persistence formbook e62s rat spyware stealer trojan

Formbook

Suspicious use of NtCreateUserProcessOtherParentProcess

Formbook payload

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-25 02:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-25 02:11

Reported

2024-09-25 02:14

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\www.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gaeqsfjr = "C:\\Users\\Admin\\AppData\\Roaming\\Gaeqsfjr.exe" C:\Users\Admin\AppData\Local\Temp\www.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\www.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\www.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 5996 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\SysWOW64\WerFault.exe
PID 1924 wrote to memory of 5996 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\SysWOW64\WerFault.exe
PID 1924 wrote to memory of 5996 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\SysWOW64\WerFault.exe
PID 1924 wrote to memory of 5996 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\www.exe

"C:\Users\Admin\AppData\Local\Temp\www.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 908

Network

Country Destination Domain Proto
US 8.8.8.8:53 google.com udp

Files

memory/1924-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

memory/1924-1-0x0000000000F90000-0x0000000001096000-memory.dmp

memory/1924-2-0x0000000005020000-0x000000000511E000-memory.dmp

memory/1924-3-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-6-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-10-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-8-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-16-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-18-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-22-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-20-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-14-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-12-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-4-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-26-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-44-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-52-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-62-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-602-0x00000000742A0000-0x000000007498E000-memory.dmp

memory/1924-24-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-28-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-32-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-66-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-64-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-60-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-58-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-56-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-54-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-1078-0x00000000742A0000-0x000000007498E000-memory.dmp

memory/1924-50-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-48-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-46-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-42-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-40-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-1080-0x0000000004520000-0x000000000456C000-memory.dmp

memory/1924-1079-0x00000000044A0000-0x0000000004518000-memory.dmp

memory/1924-38-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-36-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-34-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-30-0x0000000005020000-0x0000000005118000-memory.dmp

memory/1924-1081-0x0000000004AE0000-0x0000000004B34000-memory.dmp

memory/1924-1083-0x00000000742AE000-0x00000000742AF000-memory.dmp

memory/1924-1084-0x00000000742A0000-0x000000007498E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-25 02:11

Reported

2024-09-25 02:14

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

138s

Command Line

C:\Windows\Explorer.EXE

Signatures

Formbook

trojan spyware stealer formbook

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4228 created 3488 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\Explorer.EXE

Formbook payload

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gaeqsfjr = "C:\\Users\\Admin\\AppData\\Roaming\\Gaeqsfjr.exe" C:\Users\Admin\AppData\Local\Temp\www.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4228 set thread context of 3900 N/A C:\Users\Admin\AppData\Local\Temp\www.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3900 set thread context of 3488 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe C:\Windows\Explorer.EXE
PID 3740 set thread context of 3488 N/A C:\Windows\SysWOW64\wlanext.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\www.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:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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
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:\Users\Admin\AppData\Local\Temp\www.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\www.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wlanext.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\www.exe

"C:\Users\Admin\AppData\Local\Temp\www.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 google.com udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.-mart.vip udp
US 8.8.8.8:53 www.shacertification9.shop udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 www.w7ijko4rv4p97b.top udp
US 8.8.8.8:53 www.gstudio-ai.homes udp
US 8.8.8.8:53 www.orsaperevod.online udp
US 8.8.8.8:53 www.rhgtrdjdjykyetrdjftd.buzz udp

Files

memory/4228-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/4228-1-0x00000000007D0000-0x00000000008D6000-memory.dmp

memory/4228-2-0x0000000005580000-0x000000000567E000-memory.dmp

memory/4228-44-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-26-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-59-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-67-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-65-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-63-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-61-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-57-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-55-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-53-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-51-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-49-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-48-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/4228-46-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-42-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-40-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-38-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-36-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-34-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-32-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-30-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-28-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-24-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-22-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-21-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-18-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-16-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-14-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-10-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-8-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-6-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-4-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-3-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-12-0x0000000005580000-0x0000000005678000-memory.dmp

memory/4228-1078-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/4228-1080-0x0000000005D20000-0x0000000005D6C000-memory.dmp

memory/4228-1079-0x0000000005210000-0x0000000005288000-memory.dmp

memory/4228-1081-0x0000000005E60000-0x0000000005EF2000-memory.dmp

memory/4228-1082-0x0000000005F00000-0x0000000005F66000-memory.dmp

memory/4228-1086-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/4228-1087-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/4228-1088-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/4228-1089-0x00000000067D0000-0x0000000006D74000-memory.dmp

memory/4228-1090-0x0000000006220000-0x0000000006274000-memory.dmp

memory/3900-1093-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4228-1094-0x00000000746D0000-0x0000000074E80000-memory.dmp

memory/3900-1095-0x0000000001380000-0x00000000016CA000-memory.dmp

memory/3900-1098-0x0000000001330000-0x0000000001345000-memory.dmp

memory/3900-1097-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3488-1099-0x0000000008880000-0x0000000008979000-memory.dmp

memory/3740-1103-0x0000000000DD0000-0x0000000000DE7000-memory.dmp

memory/3488-1105-0x0000000008880000-0x0000000008979000-memory.dmp

memory/3488-1108-0x0000000008BF0000-0x0000000008D05000-memory.dmp

memory/3488-1111-0x0000000008BF0000-0x0000000008D05000-memory.dmp