Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    05-05-2021 02:21

General

  • Target

    ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe

  • Size

    38KB

  • MD5

    b7c48f3e3d620598fc71e66f49f0f096

  • SHA1

    c07243ac356c74bece436db64ce731f295424620

  • SHA256

    ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8

  • SHA512

    723d4e5331d6f349d5be3c35fa944516b16d1e1f64bd570fe85abd46466a4ef9e897a7ef90dcfae487519881108512f8f4d10adb4ed98f3f86ec5d0a94c86422

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe
    "C:\Users\Admin\AppData\Local\Temp\ac7f5a2f0cc27308deb8b7f5d8b6432a263d048d1d78aec31b27f26895364ce8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1824-117-0x0000000000530000-0x000000000067A000-memory.dmp

    Filesize

    1.3MB

  • memory/3632-118-0x00000000001D0000-0x00000000001D1000-memory.dmp

    Filesize

    4KB