Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2022 17:08

General

  • Target

    bElw.exe

  • Size

    23KB

  • MD5

    7a4e65e91ae78468194bad4f8f2bc0f3

  • SHA1

    35d151673768d4b8c6c54dafe93db450a546b56d

  • SHA256

    e9f4c7190ff6c34f036720e246c62e26688f13ed3553f50a17d180a576dbf341

  • SHA512

    b9e8d9899c6ba752473ffad41f21dbe60c4f7feec7c028725088a27570474b9486410e221cc58562ce6db9abe64fd95871e2237b8a82b1ecc6fd739d57042bda

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bElw.exe
    "C:\Users\Admin\AppData\Local\Temp\bElw.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bElw.exe" "bElw.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1948-54-0x0000000076031000-0x0000000076033000-memory.dmp
    Filesize

    8KB

  • memory/1948-55-0x0000000074360000-0x000000007490B000-memory.dmp
    Filesize

    5.7MB

  • memory/1948-58-0x0000000074360000-0x000000007490B000-memory.dmp
    Filesize

    5.7MB

  • memory/2024-56-0x0000000000000000-mapping.dmp