Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2024 18:30

General

  • Target

    a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe

  • Size

    957KB

  • MD5

    b6eb519f9d99a37e6435c3c0e5621a8f

  • SHA1

    ae283a2450c3362365ffcc9f8d0e7934eb1d0bd4

  • SHA256

    a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10

  • SHA512

    0a567a0ab98082be0ae28b39e0e561e0b5452244fe13b08a57bb1804e99ba363b6202531ee3bfbb58aa6f5b790b81d86dc96403efb8f31bbcebf6914a62d7081

  • SSDEEP

    12288:8p7RKcv8Nh7py6Rmi78gkPH3aPI9vyVg/0paQuj3IdD02fKBjtp/:8pEBpDRmi78gkPXlyo0G/jr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe
        "C:\Users\Admin\AppData\Local\Temp\a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a1EC7.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2788
          • C:\Users\Admin\AppData\Local\Temp\a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe
            "C:\Users\Admin\AppData\Local\Temp\a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:2740
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2112
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2352
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1224

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
        Filesize

        252KB

        MD5

        0b2679dc1eb882abf56d11ca591aeb76

        SHA1

        7a5c7ff9a42f9c84873d269d1e776a89045a1f45

        SHA256

        3d1b129d45f7fe6c861e380906a0c97576a804240426a0d2408f131cbaedc354

        SHA512

        8661ecb16631ac033db4d7ee8aa291647ca3311888988693633acd1a69fd9d6eb890c94c97656602c47964219a082f875bce41710fe036cf546c29ae49e2e114

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe
        Filesize

        472KB

        MD5

        88eb1bca8c399bc3f46e99cdde2f047e

        SHA1

        55fafbceb011e1af2edced978686a90971bd95f2

        SHA256

        42fd78c05bc240d4ded16ac974f17c336f6ae3a1814d548021c48a942cc30428

        SHA512

        149d4de0c024e25a13a7bb17471e6f48391d4f26b1c8388672320eed1c255f84219ad7b72bbebc531ae558d5192dd4bb6d0dddd6c65a45300c8e8348a4fb3728

      • C:\Users\Admin\AppData\Local\Temp\$$a1EC7.bat
        Filesize

        722B

        MD5

        74dd428ad892cfa8c1366fb51010329b

        SHA1

        e105eee87d7a2e5cb202c4b1cb227ef513b31cad

        SHA256

        65917722b9931a15a86cf9cccfd010f4637ef629e54f73516296225129f6adb7

        SHA512

        48014d907424982e87d5c856cf02021d69fd89073ae3ef3d18ea6e00c494500d1b8bebf428a5cf4cbe1fa98fc17261d07e497961e44c0ac455caa7b4d9c36a19

      • C:\Users\Admin\AppData\Local\Temp\a7e9ac6ea4c507a86350c65f7a47cb5754365acc472321ad4982d9e63cf71c10.exe.exe
        Filesize

        930KB

        MD5

        30ac0b832d75598fb3ec37b6f2a8c86a

        SHA1

        6f47dbfd6ff36df7ba581a4cef024da527dc3046

        SHA256

        1ea0839c8dc95ad2c060af7d042c40c0daed58ce8e4524c0fba12fd73e4afb74

        SHA512

        505870601a4389b7ed2c8fecf85835adfd2944cbc10801f74bc4e08f5a0d6ecc9a52052fc37e216304cd1655129021862294a698ed36b3b43d428698f7263057

      • C:\Windows\Logo1_.exe
        Filesize

        27KB

        MD5

        d0d42004d5e14fecf764dc99963c82fa

        SHA1

        2b05a3b17e23a16df2a838d31d8c4113993dd833

        SHA256

        fe58d080c6a43f69deaec1b3fa9ffa2963dd9a3384b6f3aa9895c4dd2c485a8f

        SHA512

        72f9b71e46512dfcec9bd294930cc9a01acdb8c5b33a3c9a48c9475889f300e35d13191e5868c9798fd335af5a32793f19180b9d015ec18d2b112d0ac1749bee

      • F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\_desktop.ini
        Filesize

        9B

        MD5

        3b22ce0fee2d1aaf2c66dcd142740e29

        SHA1

        94d542b4bb9854a9419753c38e6ffe747653d91c

        SHA256

        8284772f28954a109c16f1583e6e34e29f06673b34e04f268bda961b57ba9f79

        SHA512

        efd4900a49624170e51ea401f0845634f49484a49335845258dc3d41a12e2022bf413a6751fcbcfd1ec68cde506f3363beae57f20e8eaca8b214d28baa138c5b

      • memory/1232-30-0x0000000002DE0000-0x0000000002DE1000-memory.dmp
        Filesize

        4KB

      • memory/2108-16-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2108-0-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-18-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-46-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-93-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-99-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-492-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-1876-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-40-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-3336-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB

      • memory/2112-33-0x0000000000400000-0x0000000000435000-memory.dmp
        Filesize

        212KB