Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    08-05-2021 17:11

General

  • Target

    c406a12a1cd31f11e6ec58e03b9105033ee4c38f769da41c23085fbe85eeebdc.exe

  • Size

    37KB

  • MD5

    fa248eadbdc9351e6ffac68467f076c1

  • SHA1

    dd75b45bf500d5465bb8e2d36fa9b617c1e5aa55

  • SHA256

    c406a12a1cd31f11e6ec58e03b9105033ee4c38f769da41c23085fbe85eeebdc

  • SHA512

    15a3e18addb59a52b2aaa877291e43e062f7447908b325fdce26f833d41381bfb9b9bff7affdc1db841abbafaa65f56ef67a15054a805a4fa123828891839e8d

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\c406a12a1cd31f11e6ec58e03b9105033ee4c38f769da41c23085fbe85eeebdc.exe
    "C:\Users\Admin\AppData\Local\Temp\c406a12a1cd31f11e6ec58e03b9105033ee4c38f769da41c23085fbe85eeebdc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1888-60-0x0000000075161000-0x0000000075163000-memory.dmp

    Filesize

    8KB

  • memory/1888-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB