Overview

overview

10

Static

static

Confirmation.exe

windows7_x64

10

Confirmation.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07/07/2022, 13:10

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General

  • Target
    Confirmation.exe
  • Size 298KB
  • Sample220707-qectzaaee3
  • SHA256 efc51781bc3e82733e68f330ce4905d57bd3188a3584faa693a18223f17ec7ff
  • MD5 SHA1 SHA512
Score
10/10
persistencesuricata

Malware Config

Signatures

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata
  • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    suricata: ET MALWARE FormBook CnC Checkin (POST) M2

    suricata
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\Confirmation.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmation.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
        3⤵
          PID:4720
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4024
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\SysWOW64\ipconfig.exe"
        2⤵
        • Adds policy Run key to start application
        • Suspicious use of SetThreadContext
        • Drops file in Program Files directory
        • Gathers network information
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
          3⤵
            PID:2696
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:4392

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/1268-130-0x0000000000A00000-0x0000000000A4C000-memory.dmp
              Download

              memory/2264-142-0x0000000000AA0000-0x0000000000ACD000-memory.dmp
              Download

              memory/2264-146-0x0000000000AA0000-0x0000000000ACD000-memory.dmp
              Download

              memory/2264-144-0x0000000001070000-0x0000000001100000-memory.dmp
              Download

              memory/2264-143-0x0000000001300000-0x000000000164A000-memory.dmp
              Download

              memory/2264-141-0x00000000007C0000-0x00000000007CB000-memory.dmp
              Download

              memory/3056-147-0x0000000008930000-0x0000000008A5C000-memory.dmp
              Download

              memory/3056-145-0x0000000008930000-0x0000000008A5C000-memory.dmp
              Download

              memory/3056-137-0x0000000008420000-0x000000000853D000-memory.dmp
              Download

              memory/4024-135-0x0000000001340000-0x000000000168A000-memory.dmp
              Download

              memory/4024-139-0x0000000000400000-0x000000000042D000-memory.dmp
              Download

              memory/4024-136-0x0000000000F40000-0x0000000000F51000-memory.dmp
              Download

              memory/4024-133-0x0000000000400000-0x000000000042D000-memory.dmp
              Download