Resubmissions

16/12/2022, 00:18

221216-alnxtadg78 10

15/12/2022, 23:56

221215-3y6bvadg59 10

Analysis

  • max time kernel
    39s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    15/12/2022, 23:56

General

  • Target

    86a5031c61d87baacc955ed6a7b295357c8d5e8e5058903d0f55565730462b34.exe

  • Size

    638KB

  • MD5

    c504c32724031c8f76df40b6b97c0338

  • SHA1

    d7fc15b41e747ce3916986787c1d210b73382c11

  • SHA256

    86a5031c61d87baacc955ed6a7b295357c8d5e8e5058903d0f55565730462b34

  • SHA512

    8ba67465990edacfa144ab6513aad48172301d222a26d2cd4210ce9c8e60129263b1d768b27d194472cff21b2394ab90e922b086c91e0e544401c1449922a4ac

  • SSDEEP

    12288:Dag0l8Q2tRtuDOwFnzkikHuBv2WhpSJgn/Y47QV:dFiPtLpTe

Malware Config

Signatures

  • Detects Eternity stealer 1 IoCs
  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86a5031c61d87baacc955ed6a7b295357c8d5e8e5058903d0f55565730462b34.exe
    "C:\Users\Admin\AppData\Local\Temp\86a5031c61d87baacc955ed6a7b295357c8d5e8e5058903d0f55565730462b34.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1708
    • C:\Windows\system32\cmd.eXe
      "cmd.eXe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:628
        • C:\Windows\system32\netsh.exe
          netsh wlan show profile
          3⤵
            PID:1772
          • C:\Windows\system32\findstr.exe
            findstr All
            3⤵
              PID:808
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\86a5031c61d87baacc955ed6a7b295357c8d5e8e5058903d0f55565730462b34.exe¿"
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:824
            • C:\Windows\system32\chcp.com
              chcp 65001
              3⤵
                PID:1804
              • C:\Windows\system32\PING.EXE
                ping 127.0.0.1
                3⤵
                • Runs ping.exe
                PID:324
          • C:\Windows\explorer.exe
            "C:\Windows\explorer.exe"
            1⤵
              PID:316
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x44c
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1272

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/1708-54-0x00000000009A0000-0x0000000000A46000-memory.dmp

              Filesize

              664KB

            • memory/1772-59-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

              Filesize

              8KB