Overview

overview

10

Static

static

1

dw.pm.exe

windows7_x64

10

dw.pm.exe

windows10_x64

10

Analysis

  • max time kernel
    102s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-02-2021 17:01

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General

  • Target

    dw.pm.exe

  • Size

    82KB

  • MD5

    49392cc9138f2d685737955950fd8d69

  • SHA1

    8b418f639b4bc71ab224972537278f2d23676df8

  • SHA256

    4f7ccbc55dda5ed45be0fc7dc48b18719556ac9018d5aa4eb9f9ff0470eaca95

  • SHA512

    a75a58cda433f1baeeede01418661fc57512ba52dba585e2cf576294d7be4e39e9fc6af588cd5a3f855665abd038ca4d711567c22bbb1505752421d6357ff123

Score
10/10
buerloader

Malware Config

Extracted

Family

buer

C2

webgraitupeople.com

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

    loaderbuer
  • Buer Loader 1 IoCs

    Detects Buer loader in memory or disk.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dw.pm.exe
    "C:\Users\Admin\AppData\Local\Temp\dw.pm.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\dw.pm.exe
      "C:\Users\Admin\AppData\Local\Temp\dw.pm.exe"
      2⤵
        PID:2596

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2596-4-0x0000000040000000-0x000000004000A000-memory.dmp

      Filesize

      40KB

      Download