Analysis

  • max time kernel
    87s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2023 20:13

General

  • Target

    newsoftware-tester.exe

  • Size

    6KB

  • MD5

    d785e46b0d269b0578dcfd1b90375a6a

  • SHA1

    d1c4a196f24f0659c29fb05e99e690c87bf6d673

  • SHA256

    164df1aecac769eb2d9485abcb776f9ee55fc1e297c5b8b2bc50009e786d41b2

  • SHA512

    ea93bf91f0035a2996f227e04ccca718a9a470ca477e2e5af12a5180c70c62d6efcdbfd29d40e0458baa5ebdd525b5281e342ec29d01fc6fc9173a5b625704c3

  • SSDEEP

    96:673zsN+JBcMAiLt6NkIJmaI8RP4e/kvHxNezNt:oo+MOLtErRJcvb4

Malware Config

Extracted

Family

purecrypter

C2

http://justnormalsite.ddns.net/SystemEnv/uploads/newsoftware-tester_Ilbiekxz.png

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.

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\newsoftware-tester.exe
    "C:\Users\Admin\AppData\Local\Temp\newsoftware-tester.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:4592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4144
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3040
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4296
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3368
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:3540
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:4012
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
        • 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:4892
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            4⤵
              PID:4080
            • C:\Windows\SysWOW64\netsh.exe
              netsh wlan show profile
              4⤵
                PID:1476
              • C:\Windows\SysWOW64\findstr.exe
                findstr All
                4⤵
                  PID:4940
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /C chcp 65001 && netsh wlan show profile name="65001" key=clear | findstr Key
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4540
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  4⤵
                    PID:1936
                  • C:\Windows\SysWOW64\findstr.exe
                    findstr Key
                    4⤵
                      PID:1456
                    • C:\Windows\SysWOW64\netsh.exe
                      netsh wlan show profile name="65001" key=clear
                      4⤵
                        PID:3736

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                  Filesize

                  1KB

                  MD5

                  51d606d6161c5110143340f8e524dbda

                  SHA1

                  c7fec178390b8db165cf67b2546105e12ca16a76

                  SHA256

                  ecd858b9871b0568686dac5efe4e7a08c5c2249e788b0a312370add6d91a445e

                  SHA512

                  134269ab4f81ac93db88d4092e801afdf62c100e57e9cc095ef1e4a8233b300d8f1efc81ab7c40bfbc5983e0448c25ebf90f2da722cae0157c324ae042036a6e

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

                  Filesize

                  53KB

                  MD5

                  06ad34f9739c5159b4d92d702545bd49

                  SHA1

                  9152a0d4f153f3f40f7e606be75f81b582ee0c17

                  SHA256

                  474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

                  SHA512

                  c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                  Filesize

                  16KB

                  MD5

                  95d5fcc08277c4cba764d4c4d0ec3f0c

                  SHA1

                  0b8ef11d59f18d3d1afc6db4c7a0b531aad22691

                  SHA256

                  3c40f88969f5daee9cd8a8f040bfba3967b093c55e68f77b3fedb5949e807aeb

                  SHA512

                  451c483e2a754361b19c1cff9c0095a49d1d5bbb9ed40e5df138854c89c2c7fb796a7092f9451d7fd79d26a999a7e374608b794819a71b1dd42ffb711cb611a7

                • memory/2320-133-0x0000000006B10000-0x0000000006B32000-memory.dmp

                  Filesize

                  136KB

                • memory/2320-132-0x0000000000AB0000-0x0000000000AB8000-memory.dmp

                  Filesize

                  32KB

                • memory/4144-142-0x00000000076D0000-0x0000000007D4A000-memory.dmp

                  Filesize

                  6.5MB

                • memory/4144-140-0x0000000005850000-0x00000000058B6000-memory.dmp

                  Filesize

                  408KB

                • memory/4144-143-0x0000000006330000-0x000000000634A000-memory.dmp

                  Filesize

                  104KB

                • memory/4144-137-0x0000000002530000-0x0000000002566000-memory.dmp

                  Filesize

                  216KB

                • memory/4144-141-0x0000000005E40000-0x0000000005E5E000-memory.dmp

                  Filesize

                  120KB

                • memory/4144-138-0x0000000005140000-0x0000000005768000-memory.dmp

                  Filesize

                  6.2MB

                • memory/4144-139-0x00000000057E0000-0x0000000005846000-memory.dmp

                  Filesize

                  408KB

                • memory/4296-156-0x0000000006A60000-0x0000000006A92000-memory.dmp

                  Filesize

                  200KB

                • memory/4296-157-0x0000000072180000-0x00000000721CC000-memory.dmp

                  Filesize

                  304KB

                • memory/4296-158-0x0000000006A40000-0x0000000006A5E000-memory.dmp

                  Filesize

                  120KB

                • memory/4296-162-0x0000000007840000-0x000000000784A000-memory.dmp

                  Filesize

                  40KB

                • memory/4296-171-0x0000000006310000-0x000000000631E000-memory.dmp

                  Filesize

                  56KB

                • memory/4296-172-0x00000000079F0000-0x0000000007A0A000-memory.dmp

                  Filesize

                  104KB

                • memory/4296-173-0x00000000079D0000-0x00000000079D8000-memory.dmp

                  Filesize

                  32KB

                • memory/4296-166-0x0000000007A90000-0x0000000007B26000-memory.dmp

                  Filesize

                  600KB

                • memory/4892-154-0x0000000005BD0000-0x0000000005C62000-memory.dmp

                  Filesize

                  584KB

                • memory/4892-161-0x0000000006740000-0x00000000067DC000-memory.dmp

                  Filesize

                  624KB

                • memory/4892-160-0x00000000060D0000-0x0000000006120000-memory.dmp

                  Filesize

                  320KB

                • memory/4892-153-0x0000000005380000-0x0000000005924000-memory.dmp

                  Filesize

                  5.6MB

                • memory/4892-151-0x0000000000400000-0x000000000045A000-memory.dmp

                  Filesize

                  360KB