Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 16:39

General

  • Target

    Stub.exe

  • Size

    38KB

  • MD5

    f76702fa423ce2b2b4b0fdcf547b0789

  • SHA1

    ea408a4419e8a3139ef14df987608964c12d3190

  • SHA256

    0e19cefba973323c234322452dfd04e318f14809375090b4f6ab39282f6ba07e

  • SHA512

    03c7d8814687bb4f11ac41a555f368d89d5be749c92624073b77da0e57d872df201f2657b180ad0c9d5bc9ffa0a85989bf31374c7e5deefa06cf36bce3697971

  • SSDEEP

    768:9Xaug0LrCc4d7VtOjkR26/XgNhKwEuyj67zACVyI1rXDjkY5Z07:dafSuVtOGfgTKwt3Nk7

Score
10/10

Malware Config

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Stub.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 828 -s 744
      2⤵
      • Program crash
      PID:3144
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 828 -ip 828
    1⤵
      PID:1404
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/828-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/828-1-0x0000000000E50000-0x0000000000E60000-memory.dmp

      Filesize

      64KB

    • memory/4536-2-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-4-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-3-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-9-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-8-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-11-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-10-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-13-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-12-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB

    • memory/4536-14-0x00000245D7E90000-0x00000245D7E91000-memory.dmp

      Filesize

      4KB