Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 00:01

General

  • Target
    95b6b80470c0eced659354eaeaa44c65.exe
  • Size 3.1MB
  • Sample240212-aa91xaef76
  • SHA256 762045bdc34eba446a780adc925e7bd7220e3bb318fc1f04dd080a6eda9d27c2
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95b6b80470c0eced659354eaeaa44c65.exe
    "C:\Users\Admin\AppData\Local\Temp\95b6b80470c0eced659354eaeaa44c65.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1760
      • 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:4352
        • 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:2884
          • C:\Users\Admin\AppData\Roaming\tmp.exe
            "C:\Users\Admin\AppData\Roaming\tmp.exe"
            5⤵
            • Executes dropped EXE
            PID:3688
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
            5⤵
            • Executes dropped EXE
            PID:2916
          • 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:2600
            • 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:2888
              • 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:2300
              • 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:2232
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              4⤵
              • Executes dropped EXE
              PID:844
            • 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: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
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3096
                • 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:3920
                • 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:1512

          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

                File.exe

                • Path C:\Users\Admin\AppData\Local\Temp\File.exe
                • Size 327KB
                • SHA256 0e908d0a73a01f0e85f1d923d16268444435d68f273e6fd0f63567841955f829
                • MD5 SHA1 SHA512 SSDEEP

                name.exe:Zone.Identifier

                • Path C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe:Zone.Identifier
                • Size 27B
                • SHA256 f2b79cae559d6772afc1c2ed9468988178f8b6833d5028a15dea73ce47d0196e
                • 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 931KB
                • SHA256 d3793a581da66ef5840648574ce364846e7c68a559c0f5e49faf9e4892ecdc72
                • MD5 SHA1 SHA512 SSDEEP

                tmp.exe

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

                memory/844-33-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/844-69-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/844-40-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/844-29-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/2884-22-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/2884-23-0x0000000005550000-0x0000000005560000-memory.dmp

                memory/2884-24-0x0000000005560000-0x0000000005584000-memory.dmp

                memory/2884-66-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/2884-21-0x0000000000D20000-0x0000000000D7C000-memory.dmp

                memory/2884-63-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/2916-47-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/2916-42-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/2916-45-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/2916-46-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/3416-68-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/3416-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/3416-25-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/3688-56-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4352-6-0x0000000000BC0000-0x0000000000CAE000-memory.dmp

                memory/4352-60-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/4352-62-0x00000000056A0000-0x00000000056B0000-memory.dmp

                memory/4352-8-0x00000000056A0000-0x00000000056B0000-memory.dmp

                memory/4352-67-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/4352-9-0x0000000005780000-0x0000000005806000-memory.dmp

                memory/4352-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

                memory/4352-7-0x00000000056B0000-0x000000000574C000-memory.dmp