Analysis

  • max time kernel
    149s
  • max time network
    71s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    09-05-2021 15:16

General

  • Target

    ca3a0078e0749c0480c6010ad9c7f4ce5ee0fbb6ec24c335be26d96676652059.exe

  • Size

    28KB

  • MD5

    b7be004ad524d42e11c674cc2f05c290

  • SHA1

    f61a5339a85b9ad918dede30e3658217906d79eb

  • SHA256

    ca3a0078e0749c0480c6010ad9c7f4ce5ee0fbb6ec24c335be26d96676652059

  • SHA512

    61bf34bb3f84c39aaf74ffda3bc07a01bc09b3ce79cc543ac66bc6429728b2e9bbe0bd837f51e6ac61aa9176dbe33f82a7edb04aab6fb06cba4ac53e9501586c

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\ca3a0078e0749c0480c6010ad9c7f4ce5ee0fbb6ec24c335be26d96676652059.exe
    "C:\Users\Admin\AppData\Local\Temp\ca3a0078e0749c0480c6010ad9c7f4ce5ee0fbb6ec24c335be26d96676652059.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/636-114-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/2272-118-0x0000000000460000-0x00000000005AA000-memory.dmp

    Filesize

    1.3MB