Malware Analysis Report

2025-01-18 12:27

Sample ID 240831-b5zn4aydrg
Target a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe
SHA256 a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db
Tags
formbook pt46 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

a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db

Threat Level: Known bad

The file a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe was found to be: Known bad.

Malicious Activity Summary

formbook pt46 discovery rat spyware stealer trojan

Formbook

Formbook payload

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Gathers network information

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 01:44

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

2024-08-31 01:44

Reported

2024-08-31 01:46

Platform

win7-20240729-en

Max time kernel

150s

Max time network

146s

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2888 set thread context of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2392 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2148 set thread context of 1208 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\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.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\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\wlanext.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 wrote to memory of 2392 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 2888 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\WerFault.exe
PID 2888 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\WerFault.exe
PID 2888 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\WerFault.exe
PID 2888 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\WerFault.exe
PID 2392 wrote to memory of 2148 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\wlanext.exe
PID 2392 wrote to memory of 2148 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\wlanext.exe
PID 2392 wrote to memory of 2148 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\wlanext.exe
PID 2392 wrote to memory of 2148 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\wlanext.exe
PID 2148 wrote to memory of 2796 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 2796 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 2796 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 2796 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\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe

"C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 316

C:\Windows\SysWOW64\wlanext.exe

"C:\Windows\SysWOW64\wlanext.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.realrecordlabel.com udp
US 198.185.159.145:80 www.realrecordlabel.com tcp
US 8.8.8.8:53 www.me29hs38g1.com udp
US 8.8.8.8:53 www.istchannelnet.com udp
US 103.224.212.101:80 www.istchannelnet.com tcp
US 8.8.8.8:53 www.istchannelnet.com udp
US 103.224.212.101:80 www.istchannelnet.com tcp
US 8.8.8.8:53 www.olxelang.com udp
US 104.21.30.85:80 www.olxelang.com tcp
US 8.8.8.8:53 www.cloudproduction.cloud udp
US 15.197.148.33:80 www.cloudproduction.cloud tcp

Files

memory/2888-10-0x0000000000120000-0x0000000000124000-memory.dmp

memory/2392-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1208-16-0x00000000056C0000-0x0000000005774000-memory.dmp

memory/2392-15-0x0000000000250000-0x0000000000264000-memory.dmp

memory/2392-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2392-12-0x0000000000B20000-0x0000000000E23000-memory.dmp

memory/1208-20-0x00000000056C0000-0x0000000005774000-memory.dmp

memory/1208-21-0x0000000006C40000-0x0000000006DC8000-memory.dmp

memory/2392-19-0x0000000000330000-0x0000000000344000-memory.dmp

memory/2392-18-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2148-24-0x0000000000860000-0x0000000000876000-memory.dmp

memory/2148-22-0x0000000000860000-0x0000000000876000-memory.dmp

memory/2148-25-0x00000000000C0000-0x00000000000EF000-memory.dmp

memory/1208-29-0x0000000006DD0000-0x0000000006EA0000-memory.dmp

memory/1208-30-0x0000000006DD0000-0x0000000006EA0000-memory.dmp

memory/1208-32-0x0000000006DD0000-0x0000000006EA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 01:44

Reported

2024-08-31 01:46

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

151s

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5064 set thread context of 1028 N/A C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe C:\Windows\SysWOW64\svchost.exe
PID 1028 set thread context of 3388 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4528 set thread context of 3388 N/A C:\Windows\SysWOW64\NETSTAT.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\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\NETSTAT.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.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\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A
N/A N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\NETSTAT.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe

"C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\a73dc341737a15724833932b844ce4444908158b2b6056386798e440235364db.exe"

C:\Windows\SysWOW64\NETSTAT.EXE

"C:\Windows\SysWOW64\NETSTAT.EXE"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 www.theselflovesite.com udp
US 104.18.23.89:80 www.theselflovesite.com tcp
US 8.8.8.8:53 89.23.18.104.in-addr.arpa udp
US 8.8.8.8:53 www.gv3l1.vip udp
HK 93.179.125.252:80 www.gv3l1.vip tcp
US 8.8.8.8:53 252.125.179.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 www.escpethemtrix.top udp
US 34.120.137.41:80 www.escpethemtrix.top tcp
US 8.8.8.8:53 41.137.120.34.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.wimetimephotos.com udp
US 151.101.0.119:80 www.wimetimephotos.com tcp
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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 119.0.101.151.in-addr.arpa udp
US 8.8.8.8:53 www.17tk555t.com udp
HK 43.198.117.70:80 www.17tk555t.com tcp
US 8.8.8.8:53 70.117.198.43.in-addr.arpa udp
US 8.8.8.8:53 www.aston1717.top udp
US 185.199.109.153:80 www.aston1717.top tcp
US 8.8.8.8:53 153.109.199.185.in-addr.arpa udp
US 8.8.8.8:53 234.17.178.52.in-addr.arpa udp

Files

memory/5064-10-0x0000000000BA0000-0x0000000000BA4000-memory.dmp

memory/1028-11-0x00000000003A0000-0x00000000003CF000-memory.dmp

memory/1028-14-0x0000000000F00000-0x000000000124A000-memory.dmp

memory/1028-16-0x0000000000ED0000-0x0000000000EE4000-memory.dmp

memory/1028-15-0x00000000003A0000-0x00000000003CF000-memory.dmp

memory/3388-17-0x0000000002FD0000-0x00000000030BB000-memory.dmp

memory/4528-19-0x0000000000960000-0x000000000096B000-memory.dmp

memory/4528-18-0x0000000000960000-0x000000000096B000-memory.dmp

memory/4528-20-0x0000000000110000-0x000000000013F000-memory.dmp

memory/3388-21-0x0000000002FD0000-0x00000000030BB000-memory.dmp

memory/3388-25-0x0000000008D40000-0x0000000008E28000-memory.dmp

memory/3388-26-0x0000000008D40000-0x0000000008E28000-memory.dmp

memory/3388-28-0x0000000008D40000-0x0000000008E28000-memory.dmp