Analysis

  • max time kernel
    121s
  • max time network
    136s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-03-2024 18:49

General

  • Target

    b9fa703b80c7d124148f64ae3474f1f2b01a42cd1ed6871be2bb6c9d15ecf871.dll

  • Size

    126KB

  • MD5

    a81511e199a9aa34da15d12c2f294b2c

  • SHA1

    0f9006d8f09e91bbd459b8254dd945e4fbae25d9

  • SHA256

    b9fa703b80c7d124148f64ae3474f1f2b01a42cd1ed6871be2bb6c9d15ecf871

  • SHA512

    98e56b9f4a09b423432cd9c03110109f872dedef7bb29d7bb0cc5cd8827c5f67b8385dc9ca5faa4c23ae28dd3b1c87d977bd3b4e09eeb363c6f1d245a5e59707

  • SSDEEP

    3072:Yx7pOYzBek+3tiINwyP7XSSJds3zhrjPcnq4Lv469:Yx7ZNh+3vwyOztPcrL

Malware Config

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9fa703b80c7d124148f64ae3474f1f2b01a42cd1ed6871be2bb6c9d15ecf871.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9fa703b80c7d124148f64ae3474f1f2b01a42cd1ed6871be2bb6c9d15ecf871.dll,#1
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • outlook_win_path
      PID:3768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 716
        3⤵
        • Program crash
        PID:2188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3768 -ip 3768
    1⤵
      PID:3100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3768-0-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB