Overview

overview

10

Static

static

213d6a4c5a...le.exe

windows7_x64

10

213d6a4c5a...le.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-06-2021 14:41

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General

  • Target

    213d6a4c5a5c0045550fa2b822434c51dfd1b6f573c1d1bf22d9eda4f7ab2259.bin.sample.exe

  • Size

    235KB

  • MD5

    07f482fdc70a699d02495c8b4dc1ee63

  • SHA1

    8c536b4c8a9a810635daa506c67f70180b048c83

  • SHA256

    213d6a4c5a5c0045550fa2b822434c51dfd1b6f573c1d1bf22d9eda4f7ab2259

  • SHA512

    5a8ec11ed23b6e17e894965cf3fab92ae55e7408ee1f6bd00a59ba43c61648cd9d9fd7894288427a14446d3d9bc59c66b0416d57f7de9cd626d64e575ca14d91

Score
10/10
xmrigminerransomwarespywarestealer

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • Drops file in Drivers directory 64 IoCs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 21 IoCs
  • Drops file in System32 directory 64 IoCs
  • Modifies registry class 11 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\213d6a4c5a5c0045550fa2b822434c51dfd1b6f573c1d1bf22d9eda4f7ab2259.bin.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\213d6a4c5a5c0045550fa2b822434c51dfd1b6f573c1d1bf22d9eda4f7ab2259.bin.sample.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    PID:1704
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\WaitClear.DVR-MS.ChupaCabra
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of FindShellTrayWindow
      PID:3908
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3364

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\WaitClear.DVR-MS.ChupaCabra
      MD5

      a953a561545e1a0ee369474294830f2a

      SHA1

      df86f24ed464cad2a57a7eb9909fb3f8bd1a50be

      SHA256

      540270ead1bc40293b34e6bb04ceb234513b82e6d202525c20c6c8f5e13e2484

      SHA512

      44e1a655c559b7a54ac1e5f9cb42384a69d5584bd89af63d54aaa3b362a567994d667fdc999028472847a3659cc16a5495af0ac2497fd625af591e2d6d41de8a

      Download Submit
    • memory/1704-114-0x0000000000240000-0x0000000000241000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1704-116-0x000000001AE60000-0x000000001AE62000-memory.dmp
      Filesize

      8KB

      Download
    • memory/3908-118-0x0000000000000000-mapping.dmp
      Download