Analysis

  • max time kernel
    101s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01-07-2022 04:00

General

  • Target

    d8923dd88b902706ac95c8fadd073dddf17cc2c5cc3b40fdfc9795e6e3fc7e77.exe

  • Size

    376KB

  • MD5

    bacd89514912553f8e066683c16ea373

  • SHA1

    4d213d62c33caacec7f6cace6746c3ec732bd13f

  • SHA256

    d8923dd88b902706ac95c8fadd073dddf17cc2c5cc3b40fdfc9795e6e3fc7e77

  • SHA512

    5c8e972a534bb43cde098bf2ca684acee87357ccfb258b9bf9c01f4bda9f3704255bc784465706f634e3851228fd6dd0b89367f9657a4e1021217de4f1e22583

Malware Config

Extracted

Family

netwire

C2

fingers1.ddns.net:3360

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • 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.

  • 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8923dd88b902706ac95c8fadd073dddf17cc2c5cc3b40fdfc9795e6e3fc7e77.exe
    "C:\Users\Admin\AppData\Local\Temp\d8923dd88b902706ac95c8fadd073dddf17cc2c5cc3b40fdfc9795e6e3fc7e77.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3744
    • 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\gmddskwz\gmddskwz.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2096
      • 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\RES2CDC.tmp" "c:\Users\Admin\AppData\Local\Temp\gmddskwz\CSCB361D7CCB75F450D9493D647643F86.TMP"
        3⤵
          PID:4092
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
        2⤵
          PID:936

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\RES2CDC.tmp

        Filesize

        1KB

        MD5

        d2ebbb468edc447ab3d243f618c6ea48

        SHA1

        256ca68372463dde1bd17c13479fc190f9c473fa

        SHA256

        e1794b1cb1c87cb02467826f3796a37d7e4b77b9d19a1595305a31e7286bd80a

        SHA512

        7fee3566c953b5f6f8631ada02ca2d465754e2f1a42466116d065575bc62b87a40cc27a6c96f244641037efea11ce8d72b80f43aba22c13d0c2cf003eab7e826

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

        Filesize

        11KB

        MD5

        5018d104c5ca9479eec573e23c9d556e

        SHA1

        a9f7887a9ed65e0535664220a3dc6cf657709065

        SHA256

        6b4f4df335e99c6e7fc0e18563822fa8da850c27b7e93b86ad15bfb4abd106c1

        SHA512

        932dd61d2a25b91210e2832363d29123e258b3fd1a9dd8ad366d5487ec938a800ac7460e449a4a2600444d613b113a728bd6dc1c6d07fe962f796b4e0c08c7c2

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

        Filesize

        39KB

        MD5

        929e706ae0ace3db1ddcc373a38074a7

        SHA1

        18b88e63ed9ca2ceaaa3698244ccc480dab92eec

        SHA256

        6e1f314137fc1cb8c2d867704ee6d3a9bf8449b847d1de0b8fe9fca2edafa284

        SHA512

        cad56f0703aebb10f0aa1ef29925d13bc426369b36ed55cbd1d5c0640fb42c02f694cc94c7a2615760a569e2b6e72eee80f4dbc882e8806f7453a0f01a159e72

      • \??\c:\Users\Admin\AppData\Local\Temp\gmddskwz\CSCB361D7CCB75F450D9493D647643F86.TMP

        Filesize

        1KB

        MD5

        e201c07e4f2d83860f333ea90db42c25

        SHA1

        193e1e4a72e8710829d8fd7bc94f16a2e1683173

        SHA256

        b219ac79ba388cce4ac70413a3d11686b6822a3f8ee3c1b685af401a0660554e

        SHA512

        219d82309aa968446c70e32dd28790c08be09300e988ad3bc33d5631de09b34dd772b85efe850a8d6949e9ffd23840ee96e6f646185553cee4fa7faf2d177951

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

        Filesize

        18KB

        MD5

        44795ae4b36aa11571536c25c39c3474

        SHA1

        9cefffbb14c0aee82dc8455b3a9f251147d029ba

        SHA256

        3f0d8ad011a847452407a58f24fdd34117e438d56489dc50da89323c54ec5773

        SHA512

        889e75da87a6a2e8a9a91b851bb4973679f9a67178a8a679c83b6815994c30d694ef9f25b5b80cc0b32f71e18fc0aaf9ffd93abf96c9f0d0a9fe97ad6b7fc0bb

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

        Filesize

        312B

        MD5

        a1ec17c5fd0f0b93535f9d6fb302d513

        SHA1

        a0181ef7db5e53f84c56c5b6bbda5daa790ca8db

        SHA256

        2aa2365b2a3f2f76b944263c89d946763ae2ad73ee70a59341837bf3e321f5d1

        SHA512

        26dcb4d87c1f6fe9c121752701a7a2ce41791881568e47c7136a18fb847c1f171a65f9e0f2b2d6436ce04e9475ac937023c0f4f9b470ffaec332138b028814d0

      • memory/936-141-0x0000000000000000-mapping.dmp

      • memory/936-142-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/936-144-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/936-145-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/2096-131-0x0000000000000000-mapping.dmp

      • memory/3744-130-0x00000000005C0000-0x0000000000622000-memory.dmp

        Filesize

        392KB

      • memory/3744-139-0x0000000005030000-0x00000000050C2000-memory.dmp

        Filesize

        584KB

      • memory/3744-140-0x00000000056F0000-0x000000000578C000-memory.dmp

        Filesize

        624KB

      • memory/4092-134-0x0000000000000000-mapping.dmp