Malware Analysis Report

2025-04-14 08:32

Sample ID 240923-bsq67aserl
Target a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe
SHA256 a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a
Tags
formbook c24t 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a

Threat Level: Known bad

The file a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe was found to be: Known bad.

Malicious Activity Summary

formbook c24t discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-23 01:24

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: behavioral2

Detonation Overview

Submitted

2024-09-23 01:24

Reported

2024-09-23 01:27

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

141s

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 60 set thread context of 980 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 980 set thread context of 3436 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 4548 set thread context of 3436 N/A C:\Windows\SysWOW64\systray.exe C:\Windows\Explorer.EXE

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\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\systray.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\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.exe N/A
N/A N/A C:\Windows\SysWOW64\systray.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\systray.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe

"C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe"

C:\Windows\SysWOW64\systray.exe

"C:\Windows\SysWOW64\systray.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 www.commerce-74302.bond udp
US 8.8.8.8:53 www.ealerslot.net udp
US 8.8.8.8:53 www.dcnn.net udp
US 129.146.58.91:80 www.dcnn.net tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.dcnn.net udp
US 8.8.8.8:53 www.02s-pest-control-us-ze.fun udp
US 129.146.58.91:80 www.dcnn.net tcp
US 8.8.8.8:53 www.yrhbt.shop udp
US 8.8.8.8:53 www.j88.travel udp
US 172.67.160.191:80 www.j88.travel tcp
US 8.8.8.8:53 191.160.67.172.in-addr.arpa udp

Files

memory/60-2-0x00000000042E0000-0x00000000046E0000-memory.dmp

memory/980-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/980-4-0x0000000001200000-0x000000000154A000-memory.dmp

memory/980-7-0x00000000016C0000-0x00000000016D4000-memory.dmp

memory/980-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3436-8-0x00000000030E0000-0x00000000031FF000-memory.dmp

memory/4548-10-0x0000000000F90000-0x0000000000F96000-memory.dmp

memory/4548-9-0x0000000000F90000-0x0000000000F96000-memory.dmp

memory/4548-11-0x0000000000880000-0x00000000008AF000-memory.dmp

memory/3436-12-0x00000000030E0000-0x00000000031FF000-memory.dmp

memory/3436-16-0x0000000003300000-0x0000000003456000-memory.dmp

memory/3436-17-0x0000000003300000-0x0000000003456000-memory.dmp

memory/3436-19-0x0000000003300000-0x0000000003456000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-23 01:24

Reported

2024-09-23 01:27

Platform

win7-20240903-en

Max time kernel

150s

Max time network

118s

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 2080 set thread context of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 2668 set thread context of 1228 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2776 set thread context of 1228 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\Explorer.EXE

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:\Windows\SysWOW64\netsh.exe N/A
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\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.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\netsh.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2080 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 2080 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe C:\Windows\SysWOW64\svchost.exe
PID 1228 wrote to memory of 2776 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1228 wrote to memory of 2776 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1228 wrote to memory of 2776 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 1228 wrote to memory of 2776 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\netsh.exe
PID 2776 wrote to memory of 2568 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2776 wrote to memory of 2568 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2776 wrote to memory of 2568 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe
PID 2776 wrote to memory of 2568 N/A C:\Windows\SysWOW64\netsh.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe

"C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a.exe"

C:\Windows\SysWOW64\netsh.exe

"C:\Windows\SysWOW64\netsh.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

N/A

Files

memory/2080-2-0x0000000003580000-0x0000000003980000-memory.dmp

memory/2668-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2668-4-0x0000000000850000-0x0000000000B53000-memory.dmp

memory/2668-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2668-7-0x00000000001C0000-0x00000000001D4000-memory.dmp

memory/1228-8-0x0000000004E80000-0x0000000004FCF000-memory.dmp

memory/2776-9-0x00000000008F0000-0x000000000090B000-memory.dmp

memory/2776-10-0x00000000008F0000-0x000000000090B000-memory.dmp

memory/2776-11-0x0000000000080000-0x00000000000AF000-memory.dmp

memory/1228-12-0x0000000004E80000-0x0000000004FCF000-memory.dmp