Analysis

  • max time kernel
    79s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2023, 06:28

General

  • Target

    tmp.exe

  • Size

    338KB

  • MD5

    922edf09c7065f24862a31baab18555d

  • SHA1

    1994f1c1a4929660ab0f14ee3b97d13e315fc9e8

  • SHA256

    2efee059dd0dfda1cd5472b0549d6a319a9b8b9694bbd39a9b34b5397f316624

  • SHA512

    373c62aef1c485fd28741b93bc35f29ebb89d4bb82c9c4eb8426b81d9b8ca0fb496286e95eb212a0758682d4368d7314cb4f100920673ef96dfdf9820946402e

  • SSDEEP

    6144:QyQ99mZlQNkfuauSOq4Qc0IUidR5vSVEO6dxhqf0jFNEJ+uVEjcy1r2bGai:QyQ9EZKUidR5vfxhawYVCcy1

Malware Config

Extracted

Family

eternity

C2

http://eternityms33k74r7iuuxfda4sqsiei3o3lbtr5cpalf6f4skszpruad.onion

Signatures

  • Eternity

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • 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:2148
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:736
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:1956
        • C:\Windows\system32\netsh.exe
          netsh wlan show profile
          3⤵
            PID:3836
          • C:\Windows\system32\findstr.exe
            findstr All
            3⤵
              PID:1108
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /C chcp 65001 && netsh wlan show profile name="65001" key=clear | findstr Key
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1848
            • C:\Windows\system32\chcp.com
              chcp 65001
              3⤵
                PID:2556
              • C:\Windows\system32\findstr.exe
                findstr Key
                3⤵
                  PID:4144
                • C:\Windows\system32\netsh.exe
                  netsh wlan show profile name="65001" key=clear
                  3⤵
                    PID:3988
                • 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\tmp.exe"
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:4584
                  • C:\Windows\system32\chcp.com
                    chcp 65001
                    3⤵
                      PID:4056
                    • C:\Windows\system32\PING.EXE
                      ping 127.0.0.1
                      3⤵
                      • Runs ping.exe
                      PID:4908

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • memory/2148-133-0x0000023373830000-0x000002337388A000-memory.dmp

                  Filesize

                  360KB

                • memory/2148-134-0x0000023376F70000-0x0000023376F80000-memory.dmp

                  Filesize

                  64KB

                • memory/2148-135-0x0000023376FD0000-0x0000023377020000-memory.dmp

                  Filesize

                  320KB