Analysis

  • max time kernel
    102s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2024, 06:59

General

  • Target
    83c240334d59ab179ce55d8700b2dd60.exe
  • Size 3.1MB
  • Sample240131-hr53aagcbl
  • SHA256 567f28eba91363ccb4e919ea9a9d0171cfb1efe9957a836fdc76ab5dd23b3204
  • 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 3 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\83c240334d59ab179ce55d8700b2dd60.exe
    "C:\Users\Admin\AppData\Local\Temp\83c240334d59ab179ce55d8700b2dd60.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5064
      • 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:540
        • 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:5084
          • C:\Users\Admin\AppData\Roaming\tmp.exe
            "C:\Users\Admin\AppData\Roaming\tmp.exe"
            5⤵
            • Executes dropped EXE
            PID:4656
          • 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:432
          • 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:1412
          • 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:3972
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              5⤵
              • Executes dropped EXE
              PID:2336
          • 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:2744
            • 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:3280
            • 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:2156
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              4⤵
              • Executes dropped EXE
              PID:5056
      • 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
        1⤵
          PID:3876
        • 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
          1⤵
            PID:5024

          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 330KB
                • SHA256 eb9008e061281a715a8b759cdf70300ff4aee7e54402856127a7433875a51b11
                • MD5 SHA1 SHA512 SSDEEP

                name.exe.lnk

                • Path C:\Users\Admin\AppData\Local\Temp\FolderN\name.exe.lnk
                • Size 1KB
                • SHA256 dbdb88389e176c722bad9947bfa5ce4dca75f7eb6e2e4d22e58d202cd0519bbd
                • 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/540-9-0x0000000005070000-0x00000000050F6000-memory.dmp

                memory/540-8-0x0000000002970000-0x0000000002980000-memory.dmp

                memory/540-7-0x0000000004FD0000-0x000000000506C000-memory.dmp

                memory/540-61-0x0000000074BB0000-0x0000000075360000-memory.dmp

                memory/540-58-0x0000000002970000-0x0000000002980000-memory.dmp

                memory/540-57-0x0000000074BB0000-0x0000000075360000-memory.dmp

                memory/540-6-0x0000000074BB0000-0x0000000075360000-memory.dmp

                memory/540-5-0x0000000000610000-0x00000000006FE000-memory.dmp

                memory/2336-46-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/2336-41-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/2336-47-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4656-49-0x0000000000400000-0x0000000000420000-memory.dmp

                memory/4828-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/4828-56-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/4828-62-0x0000000000400000-0x0000000000B9D000-memory.dmp

                memory/5056-27-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/5056-30-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/5056-31-0x0000000000400000-0x0000000000433000-memory.dmp

                memory/5084-24-0x0000000002940000-0x0000000002964000-memory.dmp

                memory/5084-23-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

                memory/5084-22-0x0000000074BB0000-0x0000000075360000-memory.dmp

                memory/5084-59-0x0000000074BB0000-0x0000000075360000-memory.dmp

                memory/5084-21-0x0000000000660000-0x00000000006BC000-memory.dmp

                memory/5084-64-0x0000000074BB0000-0x0000000075360000-memory.dmp