Analysis

  • max time kernel
    172s
  • max time network
    180s
  • 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 18:21

General

  • Target

    83c240334d59ab179ce55d8700b2dd60.exe

  • Size

    3.1MB

  • MD5

    83c240334d59ab179ce55d8700b2dd60

  • SHA1

    80c7975a06cd812c8ff577194e4c0d53e76e738f

  • SHA256

    567f28eba91363ccb4e919ea9a9d0171cfb1efe9957a836fdc76ab5dd23b3204

  • SHA512

    d199634714fb7886d8dd7499f56a963b5fc4b6eed8172bf84afa28f4f098efd455b1494116931544d078966106062583b0dcc66a06a98d9a3ea18f3e7fa7fbba

  • SSDEEP

    98304:tdNIA2b8lIpIta0Icq+KPtYulORjiCSHwdlPtqM7RcS4FIKU21IEfrNdSf8x:tdNB4ianUstYuUR2CSHsVP8x

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 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:392
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c test.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3448
      • 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:2352
        • 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:1328
          • 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:1692
          • 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:2760
          • 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:2964
            • C:\Users\Admin\AppData\Local\Temp\svhost.exe
              "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
              5⤵
              • Executes dropped EXE
              PID:4204
            • C:\Users\Admin\AppData\Roaming\tmp.exe
              "C:\Users\Admin\AppData\Roaming\tmp.exe"
              5⤵
              • Executes dropped EXE
              PID:2744
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
            4⤵
            • Executes dropped EXE
            PID:1940
          • 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:2856
          • 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:3768
          • 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:668
      • 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:2788
        • 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:4300

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            32KB

            MD5

            00c8e0b45441700976641cd1b085fbe2

            SHA1

            8897d771b0be1828e53450180af449104c790e3e

            SHA256

            1d00e5233e225bf7663ef29b67bbdc2888885f27ebdd92e3f4ee2cd83f4581de

            SHA512

            91e061b6948ff34b590365754e41dc1ac9ebc76a7f0e025b6c274f2d584570f400828b58aac107bb98416f0262fdbf628de032b5b9475349e7720b9e4ccd7228

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

            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

            Filesize

            92KB

            MD5

            eedd508f167fd443162d792d3ea94b63

            SHA1

            da2e82f7f77e10f7d0ed24f9278aa2269c84024d

            SHA256

            51816d2c4e922aca0ae7de70e327b86846528af160829f98bc1f47a9a23d1738

            SHA512

            b6283d19260edbc4b6d0c79d6e02036f938ecc3887a78529eb8981c6671dbfa09494942629683fbb5d2fe3e539c991f6bf53469a709e76b21f40a6425ac5c9fc

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

            Filesize

            931KB

            MD5

            836cda1d8a9718485cc9f9653530c2d9

            SHA1

            fca85ff9aa624547d9a315962d82388c300edac1

            SHA256

            d3793a581da66ef5840648574ce364846e7c68a559c0f5e49faf9e4892ecdc72

            SHA512

            07ca078d79f622706d08a534f6b5e2c896152fb0d0e452781fa6be5dc90028fdf074b3b78acac438f2acf5b3f5522e70afb7db4551874a3083860213e2790481

          • memory/392-0-0x0000000000400000-0x0000000000B9D000-memory.dmp

            Filesize

            7.6MB

          • memory/392-5-0x0000000000400000-0x0000000000B9D000-memory.dmp

            Filesize

            7.6MB

          • memory/392-66-0x0000000000400000-0x0000000000B9D000-memory.dmp

            Filesize

            7.6MB

          • memory/1328-68-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/1328-63-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/1328-23-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/1328-24-0x00000000053F0000-0x0000000005400000-memory.dmp

            Filesize

            64KB

          • memory/1328-25-0x00000000052D0000-0x00000000052F4000-memory.dmp

            Filesize

            144KB

          • memory/1328-22-0x0000000000A30000-0x0000000000A8C000-memory.dmp

            Filesize

            368KB

          • memory/1940-34-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/1940-32-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/1940-69-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/1940-29-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/2352-10-0x0000000004EF0000-0x0000000004F76000-memory.dmp

            Filesize

            536KB

          • memory/2352-61-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/2352-62-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

            Filesize

            64KB

          • memory/2352-9-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

            Filesize

            64KB

          • memory/2352-7-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/2352-65-0x0000000074B30000-0x00000000752E0000-memory.dmp

            Filesize

            7.7MB

          • memory/2352-8-0x0000000004F90000-0x000000000502C000-memory.dmp

            Filesize

            624KB

          • memory/2352-6-0x0000000000450000-0x000000000053E000-memory.dmp

            Filesize

            952KB

          • memory/2744-60-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/4204-44-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/4204-48-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB

          • memory/4204-47-0x0000000000400000-0x0000000000420000-memory.dmp

            Filesize

            128KB