Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 01:38

General

  • Target
    c221a38ae1e20f3638560e3c08d707c8.exe
  • Size 3.1MB
  • Sample240312-b2dbpacc5s
  • SHA256 1f4cc0bfd86c2a57b6d65436dc6838cff48bb3333d12d5af631896871636095a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • netwire

C2
  • 174.127.99.159:7882

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    May-B

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Extracted

Family
  • azorult

C2
  • https://gemateknindoperkasa.co.id/imag/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • NetWire RAT payload 4 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 5 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c221a38ae1e20f3638560e3c08d707c8.exe
    "C:\Users\Admin\AppData\Local\Temp\c221a38ae1e20f3638560e3c08d707c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1952
      • C:\Users\Admin\AppData\Local\Temp\test.exe
        test.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:648
        • C:\Users\Admin\AppData\Local\Temp\File.exe
          "C:\Users\Admin\AppData\Local\Temp\File.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5028
          • C:\Users\Admin\AppData\Roaming\tmp.exe
            "C:\Users\Admin\AppData\Roaming\tmp.exe"
            5⤵
            • Executes dropped EXE
            PID:3740
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
            5⤵
            • Executes dropped EXE
            PID:4332
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/File.exe" "%temp%\FolderN\name.exe" /Y
            5⤵
              PID:3684
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4560
              • C:\Windows\SysWOW64\reg.exe
                reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
                6⤵
                  PID:5060
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
                5⤵
                • NTFS ADS
                PID:3516
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              4⤵
              • Executes dropped EXE
              PID:3264
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/test.exe" "%temp%\FolderN\name.exe" /Y
              4⤵
                PID:1864
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\FolderN\name.exe.lnk" /f
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:4768
                • C:\Windows\SysWOW64\reg.exe
                  reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk" /f
                  5⤵
                    PID:3468
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
                  4⤵
                  • NTFS ADS
                  PID:4476

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                File.exe

                • Path C:\Users\Admin\AppData\Local\Temp\File.exe
                • Size 342KB
                • SHA256 80c4716318f874881151c78c4dce9a0a01be4294834f33ee7f12a8a34bb8b2b7
                • MD5 SHA1 SHA512 SSDEEP

                name.exe.lnk

                • Path C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk
                • Size 1KB
                • SHA256 8676f3927053a61cf67f23cfea36ec80631bc422ee8992fa9233cd89f7727fd3
                • MD5 SHA1 SHA512

                svhost.exe

                • Path C:\Users\Admin\AppData\Local\Temp\svhost.exe
                • Size 256KB
                • SHA256 ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
                • MD5 SHA1 SHA512 SSDEEP

                test.exe

                • Path C:\Users\Admin\AppData\Local\Temp\test.exe
                • Size 509KB
                • SHA256 8b10ce80933d69cf343c2a12f275a0215ca373abbcce27300dab272bcdb70ff9
                • MD5 SHA1 SHA512 SSDEEP

                test.exe

                • Path C:\Users\Admin\AppData\Local\Temp\test.exe
                • Size 483KB
                • SHA256 41fb298334a7be579285473a9264a53e0f48fd8c51c1ed8dd1cbb911007be311
                • MD5 SHA1 SHA512 SSDEEP

                tmp.exe

                • Path C:\Users\Admin\AppData\Roaming\tmp.exe
                • Size 112KB
                • SHA256 ab0744c19af062c698e94e8eb9ee0e67bcf9a078f53d2a6a848406e2413c4d59
                • MD5 SHA1 SHA512 SSDEEP

                memory/648-9-0x00000000052A0000-0x0000000005326000-memory.dmp

                memory/648-6-0x0000000074A00000-0x00000000751B0000-memory.dmp

                memory/648-8-0x0000000005340000-0x0000000005350000-memory.dmp

                memory/648-63-0x0000000074A00000-0x00000000751B0000-memory.dmp

                memory/648-61-0x0000000005340000-0x0000000005350000-memory.dmp

                memory/648-60-0x0000000074A00000-0x00000000751B0000-memory.dmp

                memory/648-5-0x0000000000770000-0x000000000085E000-memory.dmp

                memory/648-7-0x0000000005200000-0x000000000529C000-memory.dmp

                memory/3264-27-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/3264-30-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/3264-31-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/3264-67-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/3740-51-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4332-41-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4332-44-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4332-45-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4472-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/4472-59-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/4472-64-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/5028-24-0x0000000005570000-0x0000000005594000-memory.dmp

                memory/5028-22-0x0000000074A00000-0x00000000751B0000-memory.dmp

                memory/5028-21-0x0000000000CD0000-0x0000000000D2C000-memory.dmp

                memory/5028-66-0x0000000074A00000-0x00000000751B0000-memory.dmp

                memory/5028-23-0x0000000005690000-0x00000000056A0000-memory.dmp