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Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 07:36

General

  • Target

    4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe

  • Size

    44KB

  • MD5

    63fb6a6c26832825086d4ff5727153a0

  • SHA1

    a32088b47bcc5dca84965cf10e17f73e92e2979b

  • SHA256

    4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf

  • SHA512

    13cf6a2a56779b8300f9291afda1ddcec260a96a1a9844284a687f1e3bdbbd9231edf23db8927d43644325edca6309e522e60c741ef65b51929a4ab0b8fb3e0f

  • SSDEEP

    384:cbE8r54uJsHa0NLnIzx0x2b2vjPxz3w8Du3jsBYRAGryf4pxI/6ps2QdhA4I7m36:eE8auAakDI90Ksw8gpyf4pxGAv5N

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
    "C:\Users\Admin\AppData\Local\Temp\4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 4f74f90b51f8b0db0d1d3e62a82a8af88956fa7a8bac6409f412444dd14e4aaf.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1612
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/620-56-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB