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Analysis

  • max time kernel
    151s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13/05/2021, 04:22

General

  • Target

    21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe

  • Size

    33KB

  • MD5

    a2c18d9b7dcab7bca7c2f042166fe320

  • SHA1

    10cbbb6d3d176afa0b3466f7a818f6290df42103

  • SHA256

    21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c

  • SHA512

    34f0912a7d913f57b5b470d231f0b6c3c80199ddaf3af4dc3ab05668105c3cd5fcd8a28451babeb05672ec43cfe4dedbff9734daaae16e48f8cde2b9b3aae114

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\21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe
    "C:\Users\Admin\AppData\Local\Temp\21b2fe40874b2cd769214f5226e810f1d03505ff56ccd8b40184aaf04b40e14c.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1680

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1052-59-0x0000000074F31000-0x0000000074F33000-memory.dmp

    Filesize

    8KB

  • memory/1052-65-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB