Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:00

General

  • Target

    4.exe

  • Size

    233KB

  • MD5

    8acb1a113d20530f501fc371622ff0db

  • SHA1

    3e3996eac73c8c5b100e578bf8794f61fb47d255

  • SHA256

    08a1633161123a511f98004bda97d5ada42bf34a58e2e598fb321c1fe7a1d1a8

  • SHA512

    4ad5c92a299457c8674b76ecf5cd8388fd0b658ef9441c8952d63ac63e8f7404551dc590dedf0c3896f5accbdd60fc365605acab424c42f48be65d1d080877ee

  • SSDEEP

    6144:jxQxWRPYIA/fSU9Ja2da7MgpveTvmdhzh3+BPBZbzUE:jxQxWRPYIIfSUVaMmveTHBRR

Malware Config

Extracted

Family

netwire

C2

extensions14718.sytes.net:3324

extensions14718sec.sytes.net:3324

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    YbcwLUQv

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Drops startup file 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4.exe
    "C:\Users\Admin\AppData\Local\Temp\4.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bnkczec5\bnkczec5.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2696
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES1E69.tmp" "c:\Users\Admin\AppData\Local\Temp\bnkczec5\CSC98D3CBF0420E4E73A341795CD1BEF97D.TMP"
        3⤵
          PID:2952
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
        2⤵
          PID:2716

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RES1E69.tmp

        Filesize

        1KB

        MD5

        65f5b6d3b5d1f27532ca2f181055bdb6

        SHA1

        b575ecb4e0e516ab445b9dd810c7114de262c352

        SHA256

        7c98dfb3061e53f5a32c7ab1df6cbdf236b59d713e9fb7e160f50a85d034323f

        SHA512

        47bfbe08062b83ffe5e03916d53c13c9f66c7e8facad4e04628f9c816415597122883bb7d63ce21090163cb029cac9a7767e6cd8f65d4d28068e7343bd9fa415

      • C:\Users\Admin\AppData\Local\Temp\bnkczec5\bnkczec5.dll

        Filesize

        14KB

        MD5

        9b6097a1f4358cbe215bad7cc0f38e0c

        SHA1

        6e830efdd7814e213aefc7f7d9afce422534ef37

        SHA256

        40eee42de54e36ee5ca7f0ecb8f4439a184174ddc0735e7ac988d9bafe0ff365

        SHA512

        1dc45cc953f9b7a52bbb13aee6c4cea760e34b9c375ae656a5f83856096f0766f87fbc4ffb274b2e673b5fc04890a99c44f43416dfbd893d6c5f805c4677f780

      • C:\Users\Admin\AppData\Local\Temp\bnkczec5\bnkczec5.pdb

        Filesize

        43KB

        MD5

        9cbc40143ad5dffd1660256d8f89a028

        SHA1

        6c0a476b9951c61f979f109ad567942c892ad7cc

        SHA256

        210e1b7ccfa604f1b0d8220003e5dd937ff4739aa859ecc56d57d47ed8b02c37

        SHA512

        1e15370f5ff03de704564be09abb51cf242afe502396a2e46d36205207f3812f6e0997a9d57ed8783c375bc4d70edcda63d13cf72c8e95dc6c3819197d99e3bb

      • \??\c:\Users\Admin\AppData\Local\Temp\bnkczec5\CSC98D3CBF0420E4E73A341795CD1BEF97D.TMP

        Filesize

        1KB

        MD5

        86c1b1a207c716d93d60e4248626b93d

        SHA1

        762908a0400222a413bab37c11d46c212b972d59

        SHA256

        b3ecd17b2410759f7e4be8f2e37a949eb9104124eb75d68fc4fceaafbac015d8

        SHA512

        27426334a7363ee1097c47867d5c771a918cfb65f0d02b4a455badc978ae7b8f364d08749c9c87f14b14e22f5be1ab2901f5c40a29fc233fa0691fd7a8365a03

      • \??\c:\Users\Admin\AppData\Local\Temp\bnkczec5\bnkczec5.0.cs

        Filesize

        25KB

        MD5

        3e120cba919a0b824a14c3d50a1175c6

        SHA1

        d56fd096f33b2d02d05c34f6e5a6abb072ba061b

        SHA256

        8db78fc0d90762c7ead3c3d9622825b08ae7dba654ca25e7ec1f9676ae604926

        SHA512

        7a2eaf5eef46dc33972c933c9bf325a55f5e252c43d67a31f9f0aa8773c4079932d97a334d6e751fe750f48d072b5748e4b3cefcbef69b05cb9ab5d397bef643

      • \??\c:\Users\Admin\AppData\Local\Temp\bnkczec5\bnkczec5.cmdline

        Filesize

        312B

        MD5

        e7b86e3bf84016765d8dbc133dac0eba

        SHA1

        70c0370ea3d999fd52d0ca6f91883f9e4fc907e6

        SHA256

        f0da3867864a77d6bc76b89b47357b299c20e6ef3bb03142051ae799b11e3223

        SHA512

        3aeb0fff87c3569bb5b3b04d95a32581e84f17b247635cef3c29caeb9b2524ef1dcb956b4fa277dda512f2134518df147d9ee672366bf3f889073e86bfe3d67b

      • memory/1012-23-0x00000000009E0000-0x0000000000A0C000-memory.dmp

        Filesize

        176KB

      • memory/1012-5-0x0000000074810000-0x0000000074EFE000-memory.dmp

        Filesize

        6.9MB

      • memory/1012-1-0x0000000000AD0000-0x0000000000B10000-memory.dmp

        Filesize

        256KB

      • memory/1012-17-0x0000000000420000-0x000000000042A000-memory.dmp

        Filesize

        40KB

      • memory/1012-19-0x00000000007C0000-0x00000000007F2000-memory.dmp

        Filesize

        200KB

      • memory/1012-20-0x0000000000610000-0x000000000061C000-memory.dmp

        Filesize

        48KB

      • memory/1012-0-0x000000007481E000-0x000000007481F000-memory.dmp

        Filesize

        4KB

      • memory/1012-36-0x0000000074810000-0x0000000074EFE000-memory.dmp

        Filesize

        6.9MB

      • memory/2716-24-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-26-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-27-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-28-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2716-29-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-33-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-34-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-35-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-25-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-37-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2716-44-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB