Overview

overview

10

Static

static

Bestel #7507,pdf.exe

windows7_x64

10

Bestel #7507,pdf.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    20-01-2021 14:03

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General

  • Target

    Bestel #7507,pdf.exe

  • Size

    1.5MB

  • MD5

    3775fc88df2403490658c20413877cbb

  • SHA1

    2d7370b167e45a3f4688bc17aaae3f99b8ed7e17

  • SHA256

    d03f2261f7184a90148092352ba0ba94efd9ec48a41a7b15510ff95d7c95a762

  • SHA512

    8b05ecb651e8ca195713e03d10935d988f59f26ae551af6ebaf04687f855dca38d615f6219b83414e8d61cccb2884f99370e3d69dcc8f5a1a00527bbc79206d7

Score
10/10
remcosrat

Malware Config

Extracted

Family

remcos

C2

movement2020.ddns.net:6735

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bestel #7507,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Bestel #7507,pdf.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\dllhost.exe
      "C:\Windows\SysWOW64\dllhost.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/824-3-0x0000000000413FA4-mapping.dmp
    Download
  • memory/824-7-0x0000000000400000-0x0000000000421000-memory.dmp
    Filesize

    132KB

    Download
  • memory/2004-2-0x0000000075EA1000-0x0000000075EA3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2004-6-0x0000000000CF0000-0x0000000000CF3000-memory.dmp
    Filesize

    12KB

    Download
  • memory/2004-5-0x0000000000CC0000-0x0000000000CE1000-memory.dmp
    Filesize

    132KB

    Download