Malware Analysis Report

2025-01-18 12:33

Sample ID 240901-eanvws1djd
Target c1c6e0884f5967c55b952c06f9e6f183e51aae571c6c5c7574998ed1dfc6e4d9
SHA256 c1c6e0884f5967c55b952c06f9e6f183e51aae571c6c5c7574998ed1dfc6e4d9
Tags
formbook bi05 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

c1c6e0884f5967c55b952c06f9e6f183e51aae571c6c5c7574998ed1dfc6e4d9

Threat Level: Known bad

The file c1c6e0884f5967c55b952c06f9e6f183e51aae571c6c5c7574998ed1dfc6e4d9 was found to be: Known bad.

Malicious Activity Summary

formbook bi05 discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

AutoIT Executable

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-01 03:44

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

2024-09-01 03:44

Reported

2024-09-01 03:46

Platform

win7-20240705-en

Max time kernel

147s

Max time network

122s

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 1688 set thread context of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 3068 set thread context of 1216 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE
PID 3068 set thread context of 1216 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\Explorer.EXE

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\msiexec.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\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\msiexec.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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1688 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 1688 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 1688 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 1688 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 1688 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe C:\Windows\SysWOW64\svchost.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 1216 wrote to memory of 2244 N/A C:\Windows\Explorer.EXE C:\Windows\SysWOW64\msiexec.exe
PID 2244 wrote to memory of 2840 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2244 wrote to memory of 2840 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2244 wrote to memory of 2840 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe
PID 2244 wrote to memory of 2840 N/A C:\Windows\SysWOW64\msiexec.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe

"C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe"

C:\Windows\SysWOW64\msiexec.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2244 -s 268

Network

N/A

Files

memory/1688-11-0x00000000002C0000-0x00000000002C4000-memory.dmp

memory/3068-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3068-13-0x0000000000870000-0x0000000000B73000-memory.dmp

memory/3068-16-0x00000000001D0000-0x00000000001E4000-memory.dmp

memory/3068-15-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1216-17-0x00000000040A0000-0x00000000041A0000-memory.dmp

memory/1216-18-0x0000000004970000-0x0000000004A3B000-memory.dmp

memory/1216-23-0x0000000006CA0000-0x0000000006E4F000-memory.dmp

memory/1216-22-0x0000000004970000-0x0000000004A3B000-memory.dmp

memory/3068-21-0x00000000002A0000-0x00000000002B4000-memory.dmp

memory/3068-20-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2244-25-0x0000000000190000-0x00000000001A4000-memory.dmp

memory/2244-24-0x0000000000190000-0x00000000001A4000-memory.dmp

memory/2244-27-0x0000000000190000-0x00000000001A4000-memory.dmp

memory/1216-28-0x0000000006CA0000-0x0000000006E4F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-01 03:44

Reported

2024-09-01 03:46

Platform

win10v2004-20240802-en

Max time kernel

132s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe"

Signatures

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\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe

"C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1448 -ip 1448

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1448 -s 716

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/1448-11-0x0000000001500000-0x0000000001504000-memory.dmp