Overview

overview

10

Static

static

BFCBCA61FA...7D.exe

windows7_x64

8

BFCBCA61FA...7D.exe

windows10_x64

10

Analysis

  • max time kernel
    15s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02/08/2021, 23:37

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General

  • Target
    BFCBCA61FAB1CEF5DBF2944B30369FFD5FDE711A3067D.exe
  • Size 1017KB
  • Sample210802-j2pas2tg1x
  • SHA256 bfcbca61fab1cef5dbf2944b30369ffd5fde711a3067daf1444ce4ce987a5963
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BFCBCA61FAB1CEF5DBF2944B30369FFD5FDE711A3067D.exe
    "C:\Users\Admin\AppData\Local\Temp\BFCBCA61FAB1CEF5DBF2944B30369FFD5FDE711A3067D.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\7q17329mkn8\etnrxpxcm.exe
      "C:\Users\Admin\7q17329mkn8\etnrxpxcm.exe" jycrsuxwgy
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:628
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
          PID:592

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1104-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
          Download