Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2024 23:02

General

  • Target

    d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200.exe

  • Size

    639KB

  • MD5

    92346d27eabac81e606d7153397e64e2

  • SHA1

    fd2b60f3663a6ffe24db4d8bd4d244bfd7e0ecaa

  • SHA256

    d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200

  • SHA512

    446b3f391e6f55bd1fb69969e74c42ba298bd06ab9509130e639da3e03f2720fa753921a1aec5c8e7732928d125a97a9ae2e0a2dbe7b705c1e183ab8a41c3063

  • SSDEEP

    12288:EMrWy90u8xoCoUCnq8yr2b2VmLKGQDzLfTf/1TW:ay9817x2wG+zHBW

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • Detect Mystic stealer payload 6 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200.exe
    "C:\Users\Admin\AppData\Local\Temp\d6069cb7acd4675b324603f2adc3e83fa7fa1829e73052a8d62a10f3d99a8200.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ao8cz88.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ao8cz88.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2852
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2816
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2628
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 268
            5⤵
            • Program crash
            PID:2588
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3dQ39Aq.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3dQ39Aq.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ao8cz88.exe

    Filesize

    515KB

    MD5

    a02e25299ae857551a4525647fc0533d

    SHA1

    72b43753b24d89b5383bfe1332dfec7413ddc00c

    SHA256

    fb9efd950ddab810501c8d3c22736d03896ef860696c06631c988c618f5bcf4c

    SHA512

    07877106f8540b38eda894fe7d67b1b99579bceee0d8e17e1fb191eabd95bdb45133509e6441e832dfe788132763aa2add4aef341b8f4f62fec2ddd3f5113dd0

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe

    Filesize

    256KB

    MD5

    69a74eecd191ba7d2209d071f05cccfe

    SHA1

    45455ebbc2e39024c0d95700677cc168fe5a8e6d

    SHA256

    5d43a32202cb9fd525d48c0343481da7b8cd0fcf583f1de524d79f9192707f02

    SHA512

    a96745f60f9617d3df18f0ccc779a75cf4d12e9f58e935145ba8d3e14093daff96ac2666da52542777c813a7b50ad9614aac81b8631c18e13982b5145d30c293

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe

    Filesize

    173KB

    MD5

    440c22f3e7d0b38255c37236d33d6832

    SHA1

    e1a1647f6ba6d6d27d408a4478748097000673ee

    SHA256

    7e19aa756bd02f64ca5d04025c6a872c07721a549572d74ed35132b7d3455df0

    SHA512

    5162723b38925c4baf30f28ef793d9d70af1d0f8c02c3e795564de38ecf8ba3c73f4262b5d29aa3c977dabcab134cc47ccf5156eba06cdf9bc1325374b3f2432

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe

    Filesize

    996KB

    MD5

    6eab46ee6fbac82c86b32e64008c079f

    SHA1

    ef73e35ca28c50c2011ef9d85f4f002168e18948

    SHA256

    cdd10f4073bb1272d30ad3dcd8fc6cb85f34335c321d7ec70d1cda28a9db0344

    SHA512

    90880f77366f836efe638dd4edab2d2bc3e80f1934d51a7dea2735b447fa0dc94861b8a952d731990e435f40668db611e9216de09f037c04da1154b5041da557

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe

    Filesize

    1.0MB

    MD5

    a5a72ed79ae5e9780a11e88e6c6853c2

    SHA1

    9c59ba2bdb9066bedc108596ed94633c824edec8

    SHA256

    4d29c049f541cf4cfc30160228c05c981a115b3890004fb839ff261b99b62051

    SHA512

    84b85e7ce7701c18bffba0a76a289ab8f43dffaa77604d2c4e3682feb3dd8e937a70b00aba3213c5303d3ffa7bfc7e97008d39505087ace7c3cce9baac9b9d88

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe

    Filesize

    1.0MB

    MD5

    008e69cb02320bda4f40847c5b33d981

    SHA1

    28457b56575ff875e22d07fad9a4983e19358d0e

    SHA256

    5e4905f7a83a64605b0d5bf4932db061a62ab2fb9175467a88cb9a9544e3e99b

    SHA512

    e97db179af714a6c4d111cc5cf988731ae4d9f3cd992ddf2e9a3e3a12c7bf82ab3e16d1a7db449eb6bee98d48f399f25a816f5fa4873e3eaf3efbaf57f19b6fc

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\3dQ39Aq.exe

    Filesize

    31KB

    MD5

    6c37f769c720938dd2223863c71e961e

    SHA1

    32f2c9e51dd144da0023f4ef81fdc15e11fc02da

    SHA256

    0d68b15aed1853a449c5baf28d7cb6249a18a47e3559010814b82b5fccc21caa

    SHA512

    0cb767ca9faf107944e0dcd469750910df9b5df7d9ddae0d33dbe28f86bab57f37eadf1f2405296b19e03e884e6316528009bbc29ef2b0b78cbf722afaa286ee

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe

    Filesize

    512KB

    MD5

    a673261447c67cf21f13cce6ba114409

    SHA1

    529ef4295788f243528a72f65dc2caaa7c506f84

    SHA256

    eefc4b39620d55f016fd5e64a7443c6572676711bb11d1c91ca4c27ae5522d7b

    SHA512

    0c68ae576d8665f693d55759c6d44176379e7b0166fa3a5af307a72c42ee3f21930f6a49d799e4f39c691e9ea0b389c8dda3689aa08f1e490f6733cb5a51c477

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe

    Filesize

    320KB

    MD5

    a76564016497fb49d777412fff3e62db

    SHA1

    d45c27dfb3390b3b86594bdab853d5555730b4da

    SHA256

    1ac82071a3a37606d282684e575befd87c1007e05db784e72ac5582711e77798

    SHA512

    1121f7fa501dc7cb68d48b245d2ac96a1fc475c6e11fa532704931c4397994a965664e9b88d97de88aef8fc4bd98096578920ff9eedda9921f9db7855f36ee4a

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\1Og26XL6.exe

    Filesize

    869KB

    MD5

    5f0632d60d00f8f6ab677ee7f8727416

    SHA1

    ab4db63850568f0d3ea91e0c2665b59317fa22c9

    SHA256

    7247d13084eea57e8d80d6fdb483bb8ec4ad8a96c846e9c1193390829daeb08d

    SHA512

    254af7965a2d6662afa77650a79954bd754bc7727384bf7b4d60cae49c49c3bbc6173f4b461a3f1af5cafb5b83531a6ffe9660cd92ee3824f896f8861c76dbc9

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe

    Filesize

    850KB

    MD5

    d00ca90be1418632316af1aebd257e71

    SHA1

    1aff3476f97ac456e4ab507199e5477f6dfab5eb

    SHA256

    1c23d30504df7cc9898df49f457c74a312dfab14ae4554bef1b789c212ec4379

    SHA512

    35762d29c5c08782e36714e697e1564d847f6c04dda15e2acb41110b6e2e74693f0b4fa55fe743c76cfdd3e65231cbe0daa8ab6a200d1afd8bba55b607d2208e

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\2cS3266.exe

    Filesize

    648KB

    MD5

    b43b79c2c244060f5d833575c9c872ad

    SHA1

    221ee1bb014610fcc837b1292290186cb9b50bbf

    SHA256

    32ad3ade0702c74fc35e966244f7f50d710754ebfecad113e6c058eb0a3829a8

    SHA512

    a0851ce47e8046b07ad57cc96d7607011cb9661d92f59e3389ddab9756bb1dcea2c21e258569b01a2b60e36771b32b6d699759923bf646bc7be3897e4f768009

  • memory/1104-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1104-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1264-67-0x0000000002B90000-0x0000000002BA6000-memory.dmp

    Filesize

    88KB

  • memory/2628-47-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-45-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-46-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-49-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-43-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-53-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-44-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-42-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2628-51-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2712-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2712-65-0x0000000000020000-0x0000000000029000-memory.dmp

    Filesize

    36KB

  • memory/2712-69-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2852-30-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-23-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-24-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-25-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-26-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-32-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/2852-28-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB