Overview

overview

8

Static

static

6013C0CCF3...CA.exe

windows7_x64

8

6013C0CCF3...CA.exe

windows10-2004_x64

8

Analysis

  • max time kernel
    166s
  • max time network
    183s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    12/02/2022, 10:51

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General

  • Target
    6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe
  • Size 12.0MB
  • Sample220212-mxtnnabde6
  • SHA256 6013c0ccf38e7be9221db0bc51597cd034cc07ca5c8ca1d0bc16d7b665700512
  • MD5 SHA1 SHA512
Score
8/10
evasionpersistence

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe
    "C:\Users\Admin\AppData\Local\Temp\6013C0CCF38E7BE9221DB0BC51597CD034CC07CA5C8CA.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Discord.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Discord.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:732
      • C:\Users\Admin\AppData\Roaming\Discord.exe
        "C:\Users\Admin\AppData\Roaming\Discord.exe"
        3⤵
        • Executes dropped EXE
        • Drops startup file
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1040
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Discord.exe" "Discord.exe" ENABLE
          4⤵
            PID:800
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /F /IM Exsample.exe
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:916
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\FlameCrack.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\FlameCrack.exe"
        2⤵
        • Executes dropped EXE
        PID:1804

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/732-63-0x0000000002DC0000-0x0000000002DC1000-memory.dmp
          Download

          memory/732-64-0x0000000073F22000-0x0000000073F24000-memory.dmp
          Download

          memory/732-62-0x0000000073F21000-0x0000000073F22000-memory.dmp
          Download

          memory/1040-71-0x0000000073F21000-0x0000000073F22000-memory.dmp
          Download

          memory/1040-72-0x0000000002CF0000-0x0000000002CF1000-memory.dmp
          Download

          memory/1040-73-0x0000000073F22000-0x0000000073F24000-memory.dmp
          Download

          memory/1404-55-0x0000000075F81000-0x0000000075F83000-memory.dmp
          Download