Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16-05-2021 03:05

General

  • Target

    f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe

  • Size

    37KB

  • MD5

    befb6e0776165631840e08deac48047e

  • SHA1

    7be1fd1553b704c3457bc8836f1d52f7f8fe8350

  • SHA256

    f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d

  • SHA512

    9e5301cd782836d7a2215c2328458757e1b9307b6f1c271cfc99bf017d8e1d8441702b209e7e947cb220a8938eabaa0309c8c68aa374857236a48e68d0c37505

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\f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe
    "C:\Users\Admin\AppData\Local\Temp\f04a505a8a3c68b57d55d748bc0013bdf866590a2c671e3b4e9575e2e721b90d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2796-118-0x0000000000460000-0x0000000000461000-memory.dmp

    Filesize

    4KB

  • memory/4060-117-0x00000000004A0000-0x000000000054E000-memory.dmp

    Filesize

    696KB