Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2023 21:25

General

  • Target

    8fd834d50fcf0a75f3e292eb9a96dd0d.exe

  • Size

    3.1MB

  • MD5

    8fd834d50fcf0a75f3e292eb9a96dd0d

  • SHA1

    d1cda5400cf55f9ae17e5b811d50c0687fbae9b7

  • SHA256

    a73c6c008b4700763c2819dca02e2d95772d879b1d74d5be1253859a108012cb

  • SHA512

    d2a4ba127b4cfc546369fc27eeef782aefc17f01449d4e3f8bda6a2135995b58bebe507518cdefc0f31bfbe432f6dbd9cf74e1c9ef938c5585794ed6979fc498

  • SSDEEP

    98304:MdNIA2b8lIpIta0Icq+KPtYulORjiCSHwdlPtqM7RcS4FIKU21IEfrNdSf8a:MdNB4ianUstYuUR2CSHsVP8a

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).

  • Program crash 1 IoCs
  • 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\8fd834d50fcf0a75f3e292eb9a96dd0d.exe
    "C:\Users\Admin\AppData\Local\Temp\8fd834d50fcf0a75f3e292eb9a96dd0d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4400
      • 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:1552
        • 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:3232
          • 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:3344
          • 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:3580
          • 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:2108
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              5⤵
              • Executes dropped EXE
              PID:4924
            • C:\Users\Admin\AppData\Roaming\tmp.exe
              "C:\Users\Admin\AppData\Roaming\tmp.exe"
              5⤵
              • Executes dropped EXE
              PID:3364
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
            4⤵
            • Executes dropped EXE
            PID:4436
          • 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:5016
            • 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:4752
            • 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:3460
            • 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:2600
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 360
          1⤵
          • Program crash
          PID:2308
        • 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:4116
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4924 -ip 4924
            1⤵
              PID:2816
            • C:\Windows\System32\mousocoreworker.exe
              C:\Windows\System32\mousocoreworker.exe -Embedding
              1⤵
                PID:4752

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\test.exe

                Filesize

                92KB

                MD5

                b69901f03dbddfaf96f05338e7710a6d

                SHA1

                bbd31bc62db2ffce9367cf76cc92aa45a9a68f5d

                SHA256

                ddb1522121a7ab7da9b3149e3b4f40c9649d04f9856fd300a4b0dce2c2c2a3b6

                SHA512

                a6f9888f37cd01861e16b5897fd1a8b34eb8598d60f82b8bcf56d6a51f30f91dd990a77f30b834c0241fc3e61c0fabae198e20b4b33000ab5c075a716f576534

              • memory/1552-63-0x0000000074910000-0x00000000750C0000-memory.dmp

                Filesize

                7.7MB

              • memory/1552-6-0x0000000074910000-0x00000000750C0000-memory.dmp

                Filesize

                7.7MB

              • memory/1552-5-0x0000000000DF0000-0x0000000000EDE000-memory.dmp

                Filesize

                952KB

              • memory/1552-8-0x0000000005870000-0x0000000005880000-memory.dmp

                Filesize

                64KB

              • memory/1552-9-0x0000000005880000-0x0000000005906000-memory.dmp

                Filesize

                536KB

              • memory/1552-7-0x0000000005950000-0x00000000059EC000-memory.dmp

                Filesize

                624KB

              • memory/1552-65-0x0000000074910000-0x00000000750C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3232-22-0x0000000074910000-0x00000000750C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3232-21-0x0000000000680000-0x00000000006DC000-memory.dmp

                Filesize

                368KB

              • memory/3232-23-0x00000000029B0000-0x00000000029D4000-memory.dmp

                Filesize

                144KB

              • memory/3232-68-0x0000000074910000-0x00000000750C0000-memory.dmp

                Filesize

                7.7MB

              • memory/3232-24-0x00000000052A0000-0x00000000052B0000-memory.dmp

                Filesize

                64KB

              • memory/3256-62-0x0000000000400000-0x0000000000B9D000-memory.dmp

                Filesize

                7.6MB

              • memory/3256-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

                Filesize

                7.6MB

              • memory/3256-66-0x0000000000400000-0x0000000000B9D000-memory.dmp

                Filesize

                7.6MB

              • memory/3364-61-0x0000000000400000-0x0000000000420000-memory.dmp

                Filesize

                128KB

              • memory/4436-27-0x0000000000400000-0x0000000000433000-memory.dmp

                Filesize

                204KB

              • memory/4436-32-0x0000000000400000-0x0000000000433000-memory.dmp

                Filesize

                204KB

              • memory/4436-30-0x0000000000400000-0x0000000000433000-memory.dmp

                Filesize

                204KB

              • memory/4924-43-0x0000000000170000-0x0000000000190000-memory.dmp

                Filesize

                128KB

              • memory/4924-45-0x0000000000170000-0x0000000000190000-memory.dmp

                Filesize

                128KB

              • memory/4924-48-0x0000000000170000-0x0000000000190000-memory.dmp

                Filesize

                128KB