Analysis

  • max time kernel
    161s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2023, 06:08

General

  • Target

    b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe

  • Size

    184KB

  • MD5

    242b3f0ab91d79dd962387373da59207

  • SHA1

    2783cbc9761b2af1fe745e1526d2f226925649f0

  • SHA256

    b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28

  • SHA512

    cb72baa44817a034ad470100f6820892b1eb8a3794e44bd2b17546159ed46988de7481acf740bb2b5b70375e31510eee044885b0d9e8782d46a407d33df526a1

  • SSDEEP

    3072:OftffjmNzwzvOYRt5YP/aKavT/DvbEvK9aobNI2B+Tls7LOjkWxmfd36Z9YJh0GY:2VfjmNEtiP/aK2h9H/B+3

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3312
      • C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe
        "C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4608
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aAE51.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5004
          • C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe
            "C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe"
            4⤵
            • Executes dropped EXE
            PID:3444
        • 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:4532
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1736
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4600

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files\InstallDisable.exe

              Filesize

              306KB

              MD5

              7de1c02e8ab947f4ae861b58389e567b

              SHA1

              7c533225d360cd5f9ce11192ef48da213c626790

              SHA256

              4b09ef1f8925ffb05bca2f4f9e10dcf0b8a419885328703fd3ccf7ba0384b2c5

              SHA512

              e4cde157e434fb9636c71e6e51ce97d880485665ed677ec75df898e4bf137f582fafe14fd7b745a7c68b332f83bb716655ce15f20d713e49038d40300def6842

            • C:\Users\Admin\AppData\Local\Temp\$$aAE51.bat

              Filesize

              722B

              MD5

              127e79375bc1795e08f4d5764631120e

              SHA1

              3e53545580014d16845045372b75374874fabb3d

              SHA256

              6a6262c257ae96dacfdc9e1298d1a058a9901f7dcde86d617ed33542ba4b5cb5

              SHA512

              d2dab773552e5a526f77697312be71a3ab6e3132590609b2fcb52a9999208d2a3afa127dd7ee1dd70dd1d12d96cd6769bc69e21930de7f25a12ceba4ae74c02f

            • C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe

              Filesize

              158KB

              MD5

              b07f2b96517cf26510f56b0f51e576be

              SHA1

              872cb09ef723042057f2af82a6a38421b9588f27

              SHA256

              83f0585a53cb0c83e4ff4e9a405bfe65aa538e3dabe384896007d823e7244e4b

              SHA512

              5b9ec4cbf149e62fd5a1f4948d7832e7e84b80be10ed8d08aa37f10c2ccd9210963fac916b336dd3657c25c772ad448753fc627484e87ba8f9ba55f882518ef3

            • C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe.exe

              Filesize

              158KB

              MD5

              b07f2b96517cf26510f56b0f51e576be

              SHA1

              872cb09ef723042057f2af82a6a38421b9588f27

              SHA256

              83f0585a53cb0c83e4ff4e9a405bfe65aa538e3dabe384896007d823e7244e4b

              SHA512

              5b9ec4cbf149e62fd5a1f4948d7832e7e84b80be10ed8d08aa37f10c2ccd9210963fac916b336dd3657c25c772ad448753fc627484e87ba8f9ba55f882518ef3

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              b4d5e3bb5ec37189c3d1642c6c70d24f

              SHA1

              d3814805abcfc193dceff88708c5e027ba1b7b73

              SHA256

              d5adf7b3d9a2eab15f28362d2d2a31492b7bdb7ee7bb3db94ed1b3147f537085

              SHA512

              f25faa0df1abc892e7f644c75190023f1669fcd8670280f19a41ddfc07838c3f95b690e299ba797d697f8ca8cb72808aabd2d523c88325547acd80919445d12f

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              b4d5e3bb5ec37189c3d1642c6c70d24f

              SHA1

              d3814805abcfc193dceff88708c5e027ba1b7b73

              SHA256

              d5adf7b3d9a2eab15f28362d2d2a31492b7bdb7ee7bb3db94ed1b3147f537085

              SHA512

              f25faa0df1abc892e7f644c75190023f1669fcd8670280f19a41ddfc07838c3f95b690e299ba797d697f8ca8cb72808aabd2d523c88325547acd80919445d12f

            • C:\Windows\rundl132.exe

              Filesize

              26KB

              MD5

              b4d5e3bb5ec37189c3d1642c6c70d24f

              SHA1

              d3814805abcfc193dceff88708c5e027ba1b7b73

              SHA256

              d5adf7b3d9a2eab15f28362d2d2a31492b7bdb7ee7bb3db94ed1b3147f537085

              SHA512

              f25faa0df1abc892e7f644c75190023f1669fcd8670280f19a41ddfc07838c3f95b690e299ba797d697f8ca8cb72808aabd2d523c88325547acd80919445d12f

            • F:\$RECYCLE.BIN\S-1-5-21-984744499-3605095035-265325720-1000\_desktop.ini

              Filesize

              10B

              MD5

              efd2ef11e05f1e4e71c36b61f42f4b74

              SHA1

              66f050470e42f08b4f86a669c0c3e7739d334585

              SHA256

              c4d0fb64b84374af29c373ad1807dd661605dc6714e45c6617f7f5c537b9c5f4

              SHA512

              30402f761b30147ad56861e2c5da6b70c5a9056cf6b582a5c333b9f867259fd42bb2e18c8d8a43762a9365e7147d624e13f0356d307535863ba0b2c9567e486b

            • memory/4532-37-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-19-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-9-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-26-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-33-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-42-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-197-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-1085-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-1087-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4532-2161-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4608-0-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4608-8-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB