Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
      • 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:2488
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a47BA.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe
            "C:\Users\Admin\AppData\Local\Temp\b2186ab9e322d2039cd0551d460673e59faaab25bc7012ac439920f4d5404d28.exe"
            4⤵
            • Executes dropped EXE
            PID:2808
        • 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:2336
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2780
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2312

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\$$a47BA.bat

        Filesize

        722B

        MD5

        ed9c9f1ff86ef33bfbf54851646f1bbc

        SHA1

        909ddc639d2c1bc6d588546222e45e5c459d1070

        SHA256

        39cc62bc8c6323b358e476ae439b7b38d87072fdae9dd09a8d2e0deac013651a

        SHA512

        482c2bd81be9f9b5af05677bbcd5a3540e76a2f05e9fbd989604e44a2f159461ce505929d0000f55e85ce5263b7f7f9e64dc13dbf47fb5550c6b36b2d6ca2a5f

      • C:\Users\Admin\AppData\Local\Temp\$$a47BA.bat

        Filesize

        722B

        MD5

        ed9c9f1ff86ef33bfbf54851646f1bbc

        SHA1

        909ddc639d2c1bc6d588546222e45e5c459d1070

        SHA256

        39cc62bc8c6323b358e476ae439b7b38d87072fdae9dd09a8d2e0deac013651a

        SHA512

        482c2bd81be9f9b5af05677bbcd5a3540e76a2f05e9fbd989604e44a2f159461ce505929d0000f55e85ce5263b7f7f9e64dc13dbf47fb5550c6b36b2d6ca2a5f

      • 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\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-1-5-21-1154728922-3261336865-3456416385-1000\_desktop.ini

        Filesize

        10B

        MD5

        efd2ef11e05f1e4e71c36b61f42f4b74

        SHA1

        66f050470e42f08b4f86a669c0c3e7739d334585

        SHA256

        c4d0fb64b84374af29c373ad1807dd661605dc6714e45c6617f7f5c537b9c5f4

        SHA512

        30402f761b30147ad56861e2c5da6b70c5a9056cf6b582a5c333b9f867259fd42bb2e18c8d8a43762a9365e7147d624e13f0356d307535863ba0b2c9567e486b

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

        Filesize

        158KB

        MD5

        b07f2b96517cf26510f56b0f51e576be

        SHA1

        872cb09ef723042057f2af82a6a38421b9588f27

        SHA256

        83f0585a53cb0c83e4ff4e9a405bfe65aa538e3dabe384896007d823e7244e4b

        SHA512

        5b9ec4cbf149e62fd5a1f4948d7832e7e84b80be10ed8d08aa37f10c2ccd9210963fac916b336dd3657c25c772ad448753fc627484e87ba8f9ba55f882518ef3

      • memory/1276-29-0x0000000002670000-0x0000000002671000-memory.dmp

        Filesize

        4KB

      • memory/2336-42-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-34-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-48-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-94-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-100-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-1852-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-3312-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2488-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2488-35-0x00000000002D0000-0x0000000000304000-memory.dmp

        Filesize

        208KB

      • memory/2488-20-0x00000000002D0000-0x0000000000304000-memory.dmp

        Filesize

        208KB

      • memory/2488-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB