Analysis

  • max time kernel
    138s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2024 10:01

General

  • Target

    71ef25e981660e629be9ef17721aa027.exe

  • Size

    3.1MB

  • MD5

    71ef25e981660e629be9ef17721aa027

  • SHA1

    7131f8d2fcd8535f64b99941c15ba2981eb3fc41

  • SHA256

    3e07b8aeb1304e0c420aec869a2f407558a88cac7d510c9f86a0f737846ad1e0

  • SHA512

    c2cf6c60646ad224ba2ccee9f5a5319c295dde4e1fbca58b25a8494cb57ed748c47d2a61eac8b6b8a4f648ec2b25083eede0809b6876770a9919ea9e821ec025

  • SSDEEP

    98304:6dNIA2b8lIpIta0Icq+KPtYulORjiCSHwdlPtqM7RcS4FIKU21IEfrNdSf8x:6dNB4ianUstYuUR2CSHsVP8x

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71ef25e981660e629be9ef17721aa027.exe
    "C:\Users\Admin\AppData\Local\Temp\71ef25e981660e629be9ef17721aa027.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2400
      • 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:1212
        • 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:3108
          • C:\Users\Admin\AppData\Roaming\tmp.exe
            "C:\Users\Admin\AppData\Roaming\tmp.exe"
            5⤵
            • Executes dropped EXE
            PID:3848
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
            5⤵
            • Executes dropped EXE
            PID:3196
          • 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:1948
            • 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:4552
              • 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:4496
              • 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:1328
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              4⤵
              • Executes dropped EXE
              PID:1616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 316
                5⤵
                • Program crash
                PID:648
            • 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:840
              • 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:1156
                • 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:3460
                • 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:1432
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1616 -ip 1616
            1⤵
              PID:1684

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              342KB

              MD5

              37c82e15058e2f8f5e9525b956e6440d

              SHA1

              3bf20d00bd7a7943c4066d534f5b276cac5ae39f

              SHA256

              80c4716318f874881151c78c4dce9a0a01be4294834f33ee7f12a8a34bb8b2b7

              SHA512

              5c9c37a13cac634771ae18736845b8e7c1a33fd8c6c9ae564f6863b5033a68565f0fd3da555d15870bbc547cc549153c096c44f2d7ced828baffdcfa8641da0a

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

              Filesize

              256KB

              MD5

              8fdf47e0ff70c40ed3a17014aeea4232

              SHA1

              e6256a0159688f0560b015da4d967f41cbf8c9bd

              SHA256

              ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

              SHA512

              bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

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

              Filesize

              931KB

              MD5

              836cda1d8a9718485cc9f9653530c2d9

              SHA1

              fca85ff9aa624547d9a315962d82388c300edac1

              SHA256

              d3793a581da66ef5840648574ce364846e7c68a559c0f5e49faf9e4892ecdc72

              SHA512

              07ca078d79f622706d08a534f6b5e2c896152fb0d0e452781fa6be5dc90028fdf074b3b78acac438f2acf5b3f5522e70afb7db4551874a3083860213e2790481

            • C:\Users\Admin\AppData\Roaming\tmp.exe

              Filesize

              112KB

              MD5

              bae2b04e1160950e570661f55d7cd6f8

              SHA1

              f4abc073a091292547dda85d0ba044cab231c8da

              SHA256

              ab0744c19af062c698e94e8eb9ee0e67bcf9a078f53d2a6a848406e2413c4d59

              SHA512

              1bfef1217a6e2ecacee407eed70df9205cbfabb4ddfe06fcc11a7ddf2b42262ec3ab61421474b56b338fa76ffea9beac73530650d39eff61dffcfc25a7fe45b6

            • memory/1212-11-0x0000000004F70000-0x0000000004FF6000-memory.dmp

              Filesize

              536KB

            • memory/1212-9-0x0000000005050000-0x0000000005060000-memory.dmp

              Filesize

              64KB

            • memory/1212-72-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/1212-7-0x00000000004F0000-0x00000000005DE000-memory.dmp

              Filesize

              952KB

            • memory/1212-68-0x0000000005050000-0x0000000005060000-memory.dmp

              Filesize

              64KB

            • memory/1212-8-0x0000000005060000-0x00000000050FC000-memory.dmp

              Filesize

              624KB

            • memory/1212-29-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/1212-6-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/1616-34-0x0000000000510000-0x0000000000543000-memory.dmp

              Filesize

              204KB

            • memory/1616-47-0x0000000000510000-0x0000000000543000-memory.dmp

              Filesize

              204KB

            • memory/1616-38-0x0000000000510000-0x0000000000543000-memory.dmp

              Filesize

              204KB

            • memory/3108-23-0x0000000000620000-0x000000000067C000-memory.dmp

              Filesize

              368KB

            • memory/3108-26-0x0000000004EC0000-0x0000000004EE4000-memory.dmp

              Filesize

              144KB

            • memory/3108-25-0x0000000002890000-0x00000000028A0000-memory.dmp

              Filesize

              64KB

            • memory/3108-24-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/3108-73-0x00000000748F0000-0x00000000750A0000-memory.dmp

              Filesize

              7.7MB

            • memory/3136-5-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/3136-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/3136-74-0x0000000000400000-0x0000000000B9D000-memory.dmp

              Filesize

              7.6MB

            • memory/3196-52-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/3196-55-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/3196-58-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/3196-59-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/3848-60-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB