Analysis

  • max time kernel
    151s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09-05-2021 17:35

General

  • Target

    de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe

  • Size

    151KB

  • MD5

    40d3c1a78e678a50daf2b0da09e98113

  • SHA1

    d62962c94ac8aa9d59b2afb92f6722654d535ae7

  • SHA256

    de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111

  • SHA512

    6460d6e4e37645f661d91463581375bbfe17c06b8f4c0f02f74e012abf81c1d7af5b35db5e081a6a445173894be1fe61dbde1d9ff7a0ba3f26129e6722627101

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe
    "C:\Users\Admin\AppData\Local\Temp\de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    40d97b7919332709a9fb45ebabb338ec

    SHA1

    272df6a891dede1875570fa94125050959dd5bbe

    SHA256

    6c79c6991b7e1f4034a17fa617eb77f13b1cc25b205b592032397fc093daaff9

    SHA512

    6af9c8693744ae3953e72f63f9681dfb9cbe502ff645fd9b465940e22314286a7821c7a9ad1bb2cb7fa8aae6de2bb41aaba7533b56079e85556f2361c3d42d32

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    40d97b7919332709a9fb45ebabb338ec

    SHA1

    272df6a891dede1875570fa94125050959dd5bbe

    SHA256

    6c79c6991b7e1f4034a17fa617eb77f13b1cc25b205b592032397fc093daaff9

    SHA512

    6af9c8693744ae3953e72f63f9681dfb9cbe502ff645fd9b465940e22314286a7821c7a9ad1bb2cb7fa8aae6de2bb41aaba7533b56079e85556f2361c3d42d32

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    40d97b7919332709a9fb45ebabb338ec

    SHA1

    272df6a891dede1875570fa94125050959dd5bbe

    SHA256

    6c79c6991b7e1f4034a17fa617eb77f13b1cc25b205b592032397fc093daaff9

    SHA512

    6af9c8693744ae3953e72f63f9681dfb9cbe502ff645fd9b465940e22314286a7821c7a9ad1bb2cb7fa8aae6de2bb41aaba7533b56079e85556f2361c3d42d32

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    40d97b7919332709a9fb45ebabb338ec

    SHA1

    272df6a891dede1875570fa94125050959dd5bbe

    SHA256

    6c79c6991b7e1f4034a17fa617eb77f13b1cc25b205b592032397fc093daaff9

    SHA512

    6af9c8693744ae3953e72f63f9681dfb9cbe502ff645fd9b465940e22314286a7821c7a9ad1bb2cb7fa8aae6de2bb41aaba7533b56079e85556f2361c3d42d32

  • memory/336-60-0x0000000075551000-0x0000000075553000-memory.dmp

    Filesize

    8KB

  • memory/336-66-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/824-63-0x0000000000000000-mapping.dmp