Analysis

  • max time kernel
    0s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 10:07

General

  • Target
    5c51bfd0e569b49ceef10e825f1e47b1.exe
  • Size 3.1MB
  • Sample240106-l5nlyadcbm
  • SHA256 818e5223c8cf5189ae57b4f19becd4f8d5468662955fcb002b4bb1e51100023e
  • 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.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c51bfd0e569b49ceef10e825f1e47b1.exe
    "C:\Users\Admin\AppData\Local\Temp\5c51bfd0e569b49ceef10e825f1e47b1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4748
  • C:\Users\Admin\AppData\Local\Temp\test.exe
    test.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\File.exe
      "C:\Users\Admin\AppData\Local\Temp\File.exe"
      2⤵
        PID:1152
        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
          3⤵
            PID:4656
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
            3⤵
              PID:3264
            • 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
              3⤵
                PID:3344
              • 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
                3⤵
                  PID:4636
                • C:\Users\Admin\AppData\Roaming\tmp.exe
                  "C:\Users\Admin\AppData\Roaming\tmp.exe"
                  3⤵
                    PID:220
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\FolderN\name.exe:Zone.Identifier
                  2⤵
                    PID:2216
                  • 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
                    2⤵
                      PID:2344
                    • 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
                      2⤵
                        PID:4640
                      • C:\Users\Admin\AppData\Local\Temp\svhost.exe
                        "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
                        2⤵
                          PID:4972
                      • 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:1540
                        • 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:4312

                          Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                test.exe

                                • Path C:\Users\Admin\AppData\Local\Temp\test.exe
                                • Size 381KB
                                • SHA256 f70a52412d74287142cdc9e58c5fb08ccf2874a7197cd5b4e1a4bd2685434412
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/220-48-0x0000000000400000-0x0000000000420000-memory.dmp

                                memory/1152-24-0x00000000057F0000-0x0000000005814000-memory.dmp

                                memory/1152-62-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/1152-67-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/1152-21-0x0000000000F40000-0x0000000000F9C000-memory.dmp

                                memory/1152-23-0x0000000003420000-0x0000000003430000-memory.dmp

                                memory/1152-22-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/3208-9-0x0000000004D00000-0x0000000004D86000-memory.dmp

                                memory/3208-64-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/3208-7-0x0000000004BF0000-0x0000000004C8C000-memory.dmp

                                memory/3208-6-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/3208-61-0x0000000004CF0000-0x0000000004D00000-memory.dmp

                                memory/3208-60-0x0000000074910000-0x00000000750C0000-memory.dmp

                                memory/3208-5-0x0000000000150000-0x000000000023E000-memory.dmp

                                memory/3208-8-0x0000000004CF0000-0x0000000004D00000-memory.dmp

                                memory/4032-59-0x0000000000400000-0x0000000000B9D000-memory.dmp

                                memory/4032-65-0x0000000000400000-0x0000000000B9D000-memory.dmp

                                memory/4032-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

                                memory/4656-41-0x0000000000400000-0x0000000000420000-memory.dmp

                                memory/4656-44-0x0000000000400000-0x0000000000420000-memory.dmp

                                memory/4656-47-0x0000000000400000-0x0000000000420000-memory.dmp

                                memory/4972-30-0x0000000000400000-0x0000000000433000-memory.dmp

                                memory/4972-27-0x0000000000400000-0x0000000000433000-memory.dmp

                                memory/4972-36-0x0000000000400000-0x0000000000433000-memory.dmp