Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

  • max time kernel
    141s
  • max time network
    318s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    12-11-2021 18:04

General

  • Target

    SecurityTaskManager_Setup.exe

  • Size

    2.9MB

  • MD5

    444439bc44c476297d7f631a152ce638

  • SHA1

    820fcb951d1ac8c2fda1a1ae790f52eb1f8edf2e

  • SHA256

    bc2d5417a6bf47d53c20c280f6e4b1a3e00dc0b6bbd3e26b2e591fd2f2dc4cc3

  • SHA512

    160f4b095d37a9f4c6279a4a19f072e170c5f819d0e8e588b2503711b9e2eaac9567b48a9e42bf15af50ba60e64ef97a64e003230369aec0b032cb2030fdca00

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 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\SecurityTaskManager_Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\SecurityTaskManager_Setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\WZSE0.TMP\setup.exe
      ".\setup.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads