Malware Analysis Report

2025-04-14 08:32

Sample ID 240921-pdjqfs1flb
Target 18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN
SHA256 18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbe
Tags
formbook k94g 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

18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbe

Threat Level: Known bad

The file 18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN was found to be: Known bad.

Malicious Activity Summary

formbook k94g discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-21 12:12

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

2024-09-21 12:12

Reported

2024-09-21 12:14

Platform

win7-20240708-en

Max time kernel

120s

Max time network

119s

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 2032 set thread context of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 2412 set thread context of 1272 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2520 set thread context of 1272 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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wlanext.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 2032 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 2032 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 2032 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 2032 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 2032 wrote to memory of 2412 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 1272 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1272 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1272 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 1272 wrote to memory of 2520 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\wlanext.exe
PID 2520 wrote to memory of 1864 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 1864 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 1864 N/A C:\Windows\SysWOW64\wlanext.exe C:\Windows\SysWOW64\cmd.exe
PID 2520 wrote to memory of 1864 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\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe

"C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe"

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.umdona.shop udp
US 8.8.8.8:53 www.96ph803ql.bond udp
US 8.8.8.8:53 www.osmetologysschool7.today udp
US 8.8.8.8:53 www.bitdadenetim.xyz udp

Files

memory/2032-2-0x0000000002A70000-0x0000000002C70000-memory.dmp

memory/2412-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2412-4-0x0000000000700000-0x0000000000A03000-memory.dmp

memory/2412-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2412-7-0x0000000000210000-0x0000000000224000-memory.dmp

memory/1272-8-0x0000000000010000-0x0000000000020000-memory.dmp

memory/1272-9-0x0000000006760000-0x0000000006834000-memory.dmp

memory/2520-10-0x0000000000860000-0x0000000000876000-memory.dmp

memory/2520-12-0x0000000000860000-0x0000000000876000-memory.dmp

memory/2520-13-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1272-14-0x0000000006760000-0x0000000006834000-memory.dmp

memory/1272-20-0x0000000006D70000-0x0000000006EE5000-memory.dmp

memory/1272-21-0x0000000006D70000-0x0000000006EE5000-memory.dmp

memory/1272-23-0x0000000006D70000-0x0000000006EE5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-21 12:12

Reported

2024-09-21 12:14

Platform

win10v2004-20240802-en

Max time kernel

118s

Max time network

119s

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 4044 set thread context of 4940 N/A C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe C:\Windows\SysWOW64\svchost.exe
PID 4940 set thread context of 3464 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1916 set thread context of 3464 N/A C:\Windows\SysWOW64\cmstp.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\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmstp.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\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\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.exe N/A
N/A N/A C:\Windows\SysWOW64\cmstp.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\cmstp.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe

"C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\18b8be474d7df6098362d403cd7b300ba947b149d745fc316bf90756a4877bbeN.exe"

C:\Windows\SysWOW64\cmstp.exe

"C:\Windows\SysWOW64\cmstp.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 www.olar-panel-jobs-81246.bond udp
US 8.8.8.8:53 www.j2i.xyz udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 www.tockportflat.earth udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.alamfestival.online udp
US 8.8.8.8:53 www.heoryinteractive.net udp

Files

memory/4044-2-0x0000000003820000-0x0000000003A20000-memory.dmp

memory/4940-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4940-4-0x0000000001400000-0x000000000174A000-memory.dmp

memory/4940-7-0x0000000001890000-0x00000000018A4000-memory.dmp

memory/4940-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3464-8-0x0000000003210000-0x000000000332F000-memory.dmp

memory/1916-9-0x00000000001E0000-0x00000000001F6000-memory.dmp

memory/1916-10-0x00000000001E0000-0x00000000001F6000-memory.dmp

memory/1916-11-0x0000000000A70000-0x0000000000A9F000-memory.dmp

memory/3464-12-0x0000000003210000-0x000000000332F000-memory.dmp

memory/3464-16-0x00000000087E0000-0x000000000893E000-memory.dmp

memory/3464-17-0x00000000087E0000-0x000000000893E000-memory.dmp

memory/3464-19-0x00000000087E0000-0x000000000893E000-memory.dmp