Analysis

  • max time kernel
    132s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    09-02-2024 19:29

General

  • Target

    FortiClientVPNOnlineInstaller.exe

  • Size

    4.0MB

  • MD5

    9bfa08538f94a78395b116666e90606b

  • SHA1

    9c62f61abded758772da22c16f825cdf40f00f92

  • SHA256

    d4ba0b587cccc005bc37ad17817fc4dbd123d357eb34ddf6b1dd63fa57343f2f

  • SHA512

    cfb1d911786c0e4b55e5d45bf392ed30a5f4c6843ce4d6ddfa3af3f219ce341e76ea376db2ea0cbf3421364c49920241d85075b062585a127d144942dc5e40c2

  • SSDEEP

    49152:g9enMTO4Hht2GrgsTeu8T1a0ymq0O493Ej4LA6aKIpmb4RV/TVXUrPhTHlzuw2t3:g9ensr3a4hms4F+7XVXgTHYJOE/

Score
4/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies registry class 7 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FortiClientVPNOnlineInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\FortiClientVPNOnlineInstaller.exe"
    1⤵
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\FortiClientVPN.exe
      C:\Users\Admin\AppData\Local\Temp\FortiClientVPN.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

    Filesize

    471B

    MD5

    dc0c8dbaf206b95d036f3d16a20e5596

    SHA1

    7e2b9785f55f43a7088e2de88747d7d98aef1744

    SHA256

    97d2367be5386ff31929868d55e024610567ad05cc5f267f98264679147914ee

    SHA512

    80ff6cb02cc889b85f4c679785e0195faf2e6f841fcf3dc9f3e5d9412a22b2ab28b1fdc7e9c3bf1b778ae8db1474d93e5add616c2bcc1a38a1fcfdb53fa11e3a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_052D619A1738623B01B6A412349193C8

    Filesize

    727B

    MD5

    9695faf6e686c2baadc210408942ce94

    SHA1

    44b7c47e5934cd8f926e385927a45e1dc9bde787

    SHA256

    c2a3bde5dc2aa002cae8e11ed2e328cedcd6975422c59a7e4c7ad2b268d8a1a9

    SHA512

    767ea63321b76788be6df3cbd11a3e0366f532c53e99343a20280f9027b3a57079aec90402a142c226fa37d047c98776f9d33833ea97d5474e9a3b19e1f67ee8

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

    Filesize

    727B

    MD5

    97cf48c58e302fc087ed0dcd189499ab

    SHA1

    64dd3c31e424e4aaebedc2d3841710e75a715431

    SHA256

    0dfaca67046a8344351a72c1290d4671202459a1e81d90cd7feb6694d961a458

    SHA512

    f1902a8be9fc01f127a4f54de1de6e35fd9f482232a7024423cbd240aaacd7ecfed5af5c2ac18c833d65114f061375cfe8a841bfd2871fd708893d81567131e6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

    Filesize

    400B

    MD5

    c997d82a8b8dab3f1329e4ab227d1d7b

    SHA1

    9e32da3705f5b915c51c75fa7216aa33b3e32c8b

    SHA256

    82abf2a4c8cc98e41a6215f432201414292c54ad7b64aee37d5381c07a5864ce

    SHA512

    1b5342d6ca30a80e813f683c1a436b8aacbafc0b8b1f9dc33cdea65a6268207ff31bc6830754266173c492295feb2062ee5992f882f57c2c643895cda85893a5

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_052D619A1738623B01B6A412349193C8

    Filesize

    412B

    MD5

    05d6dabe8db7e109f4d940d047e31292

    SHA1

    1666de0f8aaae47411c5667b35f566997c38f588

    SHA256

    336dcfbd041a956b820560e79d2f7ab70610b42f1b331d04da396804e767fc00

    SHA512

    4afe23fdedd5d66e8b6d5a07d2a0a949a98acdf83da9f02b35288e481fd53ad6d53fcff1b322839c97162153cd043257eddad6b8842b3cce9885ec679b843a8c

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

    Filesize

    412B

    MD5

    192ae2bb0ca8f33682cc5e89507605aa

    SHA1

    3fca64026f72323011e0f7996eea637fee25a05d

    SHA256

    b6bea11e7b7de4b5770a2845a20e6b69298e2f8efdcdce25c489ecbeebb31480

    SHA512

    fe5d6227891fead29bd99fc22346fbbf0dc842e469b2a0e8279fd7f86ae1ba93b39b2843d9498572201f5906e3848813efe0a3b83e8199ed6045d2f33d29ece0

  • C:\Users\Admin\AppData\Local\Temp\FCT_{625BC4BA-AC3E-4E4B-9996-EEED9D4287C3}\{AA12BA81-4802-4527-AA8F-0C98A595B8AC}\FortiClient.msi

    Filesize

    5.5MB

    MD5

    861f9f96a967d41d93ed6fca2c119e27

    SHA1

    42b03d596e7375a7d57cadabad7b695f21210838

    SHA256

    cdeb9ccce9b2a18d250070681b0a48130f7bb0b052f8cf8b1c3642050167425f

    SHA512

    92fdfa1d3f10a67ccb4dcc64ef54313c71c20155a1de0f9e24b50bb1a4ae0ac1465d7e68c942fe96bedc27b7d38f90b706527ce6aa5442446c86a1f60001b257

  • C:\Users\Admin\AppData\Local\Temp\FortiClient00000.log

    Filesize

    1KB

    MD5

    97be9e43a87d1c5f412fb0c77c9cf070

    SHA1

    3fc400a78e0fd7e8c031fcc50b76dea1180322f6

    SHA256

    4963d0d0eb1f26a8db1a47dad74a9ca9ce76e2a18759b35d58155f54b2667ef6

    SHA512

    0859a9d9f7064f694a616dd2bd18cc637bdaa099c2402cd7bf4a8da18d38922b0adbf1fd8490aa8e1976abfda0c217dad7561a520e82c2eb028a2da20815463e

  • C:\Users\Admin\AppData\Local\Temp\FortiClient00000.log

    Filesize

    4KB

    MD5

    7a949626fb0964d3f59db86c6f8292df

    SHA1

    ff19ac7b64d08c410d8d579df82ac31c51740797

    SHA256

    4279bb7fff72f41c6907f7db66e1f90ed9f433f29f91fdb205604897089571d2

    SHA512

    c1cd5e10b3a2bfa87a096601dbf11563b1f4499dd808227753dca8e80b3172ac114b9450d02483275bfdaffa8a12d4aad0abc24af7f5de7375d5e846710ce7d6

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

    Filesize

    3.2MB

    MD5

    c56a36cf56918093530de7246dfe232d

    SHA1

    f3e558e1dfc75930b7491db12d4d7bf6499059b3

    SHA256

    14fbea0a3499b7e1a7dab1e1981c9198741c9271991e132acdf4d26fdb549ead

    SHA512

    a76d7aeab55847cdd79cfddeaa890afe4fa418958711349704ab735cca33bf69e507c8188380c3f7a8000da5932cef4fa57a2d89abf0b77e1b20b403c54d8617

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

    Filesize

    3.4MB

    MD5

    1d9a30faa0757062f90d32e1d56051e8

    SHA1

    8a86923deb0523bd0d308bb786ece0bc686b7dfd

    SHA256

    d9db8179322f79f04a422dfaf7a0a67ff6eeb36b3609e5e32b90dd18aece64c6

    SHA512

    be22b2399bdb21b3d2785536ef005173593240011031bc765a71418074bf32eb40df82ffc43c83655ce18cebe6501ab51ec47dbd35996ef505838f24e59da344