Malware Analysis Report

2025-04-14 08:32

Sample ID 240923-q74s6a1fng
Target Signed Contract.exe
SHA256 ede8ae39d91066365f959fc9c98f0b47add88604ce95829a9618a15274faef3f
Tags
formbook c89p 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

ede8ae39d91066365f959fc9c98f0b47add88604ce95829a9618a15274faef3f

Threat Level: Known bad

The file Signed Contract.exe was found to be: Known bad.

Malicious Activity Summary

formbook c89p discovery rat spyware stealer trojan

Formbook

Formbook payload

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Gathers network information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-23 13:55

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 13:55

Reported

2024-09-23 13:57

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

138s

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 3428 set thread context of 4564 N/A C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe C:\Windows\SysWOW64\svchost.exe
PID 4564 set thread context of 2992 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2056 set thread context of 2992 N/A C:\Windows\SysWOW64\wscript.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\Signed Contract.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\wscript.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\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.exe N/A
N/A N/A C:\Windows\SysWOW64\wscript.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\wscript.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe

"C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 844

C:\Windows\SysWOW64\wscript.exe

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

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.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.aycare-service-99683.bond udp
US 8.8.8.8:53 www.arklife.shop udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 www.ftersaleb.top udp
US 8.8.8.8:53 www.torehousestudio.info udp
US 8.8.8.8:53 www.innivip.bio udp
US 8.8.8.8:53 www.usiness-printer-37559.bond udp

Files

memory/3428-2-0x0000000004050000-0x0000000004250000-memory.dmp

memory/4564-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4564-4-0x0000000001B00000-0x0000000001E4A000-memory.dmp

memory/4564-7-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

memory/4564-6-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2992-8-0x0000000009270000-0x0000000009397000-memory.dmp

memory/2056-10-0x00000000003B0000-0x00000000003D7000-memory.dmp

memory/2056-9-0x00000000003B0000-0x00000000003D7000-memory.dmp

memory/2056-11-0x00000000013A0000-0x00000000013CF000-memory.dmp

memory/2992-12-0x0000000009270000-0x0000000009397000-memory.dmp

memory/2992-16-0x0000000008490000-0x00000000085AC000-memory.dmp

memory/2992-17-0x0000000008490000-0x00000000085AC000-memory.dmp

memory/2992-19-0x0000000008490000-0x00000000085AC000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-23 13:55

Reported

2024-09-23 13:57

Platform

win7-20240903-en

Max time kernel

149s

Max time network

132s

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 1916 set thread context of 1784 N/A C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe C:\Windows\SysWOW64\svchost.exe
PID 1784 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 1784 set thread context of 1208 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 2140 set thread context of 1208 N/A C:\Windows\SysWOW64\ipconfig.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\ipconfig.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\Signed Contract.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.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\ipconfig.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe

"C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\Signed Contract.exe"

C:\Windows\SysWOW64\ipconfig.exe

"C:\Windows\SysWOW64\ipconfig.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.bsboffchatrussummsa.online udp
US 8.8.8.8:53 www.un-sea.fun udp
US 8.8.8.8:53 www.j7zd12m.xyz udp
US 8.8.8.8:53 www.osmits.net udp
US 8.8.8.8:53 www.itchellcohen.net udp

Files

memory/1916-2-0x0000000003E40000-0x0000000004240000-memory.dmp

memory/1784-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1784-4-0x0000000000750000-0x0000000000A53000-memory.dmp

memory/1208-9-0x0000000003DF0000-0x0000000003EAF000-memory.dmp

memory/1784-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1784-7-0x0000000000150000-0x0000000000164000-memory.dmp

memory/1208-6-0x0000000003B30000-0x0000000003C30000-memory.dmp

memory/1784-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1784-12-0x00000000003A0000-0x00000000003B4000-memory.dmp

memory/1208-13-0x0000000006A60000-0x0000000006B69000-memory.dmp

memory/1208-14-0x0000000003DF0000-0x0000000003EAF000-memory.dmp

memory/2140-15-0x00000000009A0000-0x00000000009AA000-memory.dmp

memory/2140-16-0x00000000009A0000-0x00000000009AA000-memory.dmp

memory/2140-17-0x00000000000D0000-0x00000000000FF000-memory.dmp

memory/1208-18-0x0000000006A60000-0x0000000006B69000-memory.dmp

memory/1208-23-0x0000000007730000-0x0000000007899000-memory.dmp

memory/1208-24-0x0000000007730000-0x0000000007899000-memory.dmp

memory/1208-26-0x0000000007730000-0x0000000007899000-memory.dmp