Analysis

  • max time kernel
    155s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:25

General

  • Target

    c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe

  • Size

    827KB

  • MD5

    26254659064fb639fa6f12abebd95ba0

  • SHA1

    e26f965b569ab5e052e6ae30adcaaf79cb824416

  • SHA256

    c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f

  • SHA512

    0cce29dfdd3fd18b038b50ef63c81ec60895c2a8c5ffd23c2c26fad37c41f38f1f74a2bbbaeb3330167d1140278545176b88460d58856da747e965b3e26496c6

  • SSDEEP

    12288:Lc4SMo6QMwIcRiKLs4QgTs6tyDYaNe9BTkWNK8SeQ3m9Ks0mVj6IYaGyvQHuk9d:A6/ZUbLs4tTswyzWVBElmII77+

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 22 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:3020
      • C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe
        "C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4652
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2C40.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:588
          • C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe
            "C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe"
            4⤵
            • Executes dropped EXE
            PID:2312
        • 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:1684
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3288
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2712

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\$$a2C40.bat
        Filesize

        722B

        MD5

        5c5c270dffe2501b711b7598ce2134a0

        SHA1

        a031ab54b39a2d18657a44ec8ff79eece3cb1a99

        SHA256

        2ed225cd4a0088a83ba31b54a160122aa946dd1616a632513516ec27e7a6e402

        SHA512

        b09475a2d4c21cf066e647d341cc1abda84e1c1b4db76d42037e20684895bfc888dce89d95053d919c8cd9b8008c3530b23e27dbea20205eebdbae6038a730c6

      • C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe
        Filesize

        797KB

        MD5

        28d826c27dec73d9853af87d328a46a6

        SHA1

        db283f13aa80609fca715bae5051fdb32518f9f2

        SHA256

        1295e5885c23220864df0a62082806726a121c90ce6df14d2d241d7d0905040d

        SHA512

        a863256cadf6a14312a9a4a29a5b23360868aa5f915ddcceb0bad8291ac58bb25c7cb0c295f1cc328d17140fc94897528b52946744ac48f7a9c9da7ac07ce992

      • C:\Users\Admin\AppData\Local\Temp\c37895ad70b9cf51194c83710e39b6cc00b140373a8b267a578676854dbffe1f.exe.exe
        Filesize

        797KB

        MD5

        28d826c27dec73d9853af87d328a46a6

        SHA1

        db283f13aa80609fca715bae5051fdb32518f9f2

        SHA256

        1295e5885c23220864df0a62082806726a121c90ce6df14d2d241d7d0905040d

        SHA512

        a863256cadf6a14312a9a4a29a5b23360868aa5f915ddcceb0bad8291ac58bb25c7cb0c295f1cc328d17140fc94897528b52946744ac48f7a9c9da7ac07ce992

      • C:\Windows\Logo1_.exe
        Filesize

        29KB

        MD5

        96d0e0ccbd9f9d4d432ea028972f7202

        SHA1

        0128cb0d35e5ef0c60ec5cd3e4678e2fae93df30

        SHA256

        7309959e912fe8b6191a2fd480861494967cdb889bbfff6ab35ba4bd0eba90b4

        SHA512

        00458244daa5a36ef7bce53d71138a9c21b3c13d63a9d8ee2760f814e8a4c304c51828f280bdc8184b90c3fe7c0eb494cc05e67554b5f3e53ccf5f677acdea3a

      • C:\Windows\Logo1_.exe
        Filesize

        29KB

        MD5

        96d0e0ccbd9f9d4d432ea028972f7202

        SHA1

        0128cb0d35e5ef0c60ec5cd3e4678e2fae93df30

        SHA256

        7309959e912fe8b6191a2fd480861494967cdb889bbfff6ab35ba4bd0eba90b4

        SHA512

        00458244daa5a36ef7bce53d71138a9c21b3c13d63a9d8ee2760f814e8a4c304c51828f280bdc8184b90c3fe7c0eb494cc05e67554b5f3e53ccf5f677acdea3a

      • C:\Windows\rundl132.exe
        Filesize

        29KB

        MD5

        96d0e0ccbd9f9d4d432ea028972f7202

        SHA1

        0128cb0d35e5ef0c60ec5cd3e4678e2fae93df30

        SHA256

        7309959e912fe8b6191a2fd480861494967cdb889bbfff6ab35ba4bd0eba90b4

        SHA512

        00458244daa5a36ef7bce53d71138a9c21b3c13d63a9d8ee2760f814e8a4c304c51828f280bdc8184b90c3fe7c0eb494cc05e67554b5f3e53ccf5f677acdea3a

      • memory/588-133-0x0000000000000000-mapping.dmp
      • memory/1684-134-0x0000000000000000-mapping.dmp
      • memory/1684-143-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/1684-146-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/2312-144-0x0000000000000000-mapping.dmp
      • memory/2712-140-0x0000000000000000-mapping.dmp
      • memory/3288-139-0x0000000000000000-mapping.dmp
      • memory/4652-137-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB

      • memory/4652-132-0x0000000000400000-0x0000000000436000-memory.dmp
        Filesize

        216KB