Analysis

  • max time kernel
    125s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2024 22:28

General

  • Target

    85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe

  • Size

    227KB

  • MD5

    857d1cd439a55e5db1d16f406abcccbd

  • SHA1

    fa73fad215f1fb7808866d7ff03a62dc70ab2a40

  • SHA256

    85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce

  • SHA512

    bef917a5c52560e24976c1ba48bc739c157c49ac6a1b4a29097f83c71c2a0788166e4ffa73884d13a5d7dade6a91031ed8cb0e05fe2c91c29dfe4cc5bad38d02

  • SSDEEP

    3072:phkuJVLUdeKzC/lzMPySe8DnpeIPipoHbKvXWXz9LRnsaJUS+6wPXD3fxNW7gq5n:8uJWdeKzC/leySe8AIqpoHbnDns1ND9m

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:3544
      • C:\Users\Admin\AppData\Local\Temp\85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe
        "C:\Users\Admin\AppData\Local\Temp\85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:228
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a55E0.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4152
          • C:\Users\Admin\AppData\Local\Temp\85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe
            "C:\Users\Admin\AppData\Local\Temp\85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe"
            4⤵
            • Executes dropped EXE
            PID:456
        • 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:4888
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1976
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        254KB

        MD5

        c295e2b1817981d3069bd9edb806ce94

        SHA1

        279cf50d10979bcd202e32bde0a466188fc8a03f

        SHA256

        2a57a828cf4a902515bac66dfa253d1514dae139aa72b18a459b164bf6ae4735

        SHA512

        2f4433d50630578c2f2386281aa06d2fccb5927dd4690d1bac322c4c4cc9894acbb70c20ea2df7261ec6de01da4d03165f92a5b8a7703c9314581589e10cbc67

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        51bea69582e14502fe4d54d0aef94008

        SHA1

        d3b3ea2f49de1bd2edc104a09ad45250dfec752d

        SHA256

        4656eb79236b04ab0eb609931a92f9778f7ffd41785cdf744bebefaa5ac5461f

        SHA512

        a06a3bcd92a6e46dcee8614b9e722877861c31aa91b424dd8acf5e0ffa75e1dfecfff5875cdfe570a652c1a4e8e185a6c0d6e4876db7b677e7155627e5da630c

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        639KB

        MD5

        8e20cd4ac13828acae9e458cea8e8c56

        SHA1

        794cb8e8b5519214c4d4c89e9d5ff0967e224d72

        SHA256

        ed2019032918ac1a2a246a501166a13f7f2bda2f2ca354ad2db584c41c774e5c

        SHA512

        e5e6d2147fb76a7c11e738fbfacbe0b189862cdb35b7de75c82b4ed5784b90953cfda3d1052fceecf3f76a9f873b7ed052c70a4847669b7657bfce522ff907d4

      • C:\Users\Admin\AppData\Local\Temp\$$a55E0.bat

        Filesize

        722B

        MD5

        a9952ca0b60877f8d991b875af9ef091

        SHA1

        f8ef7d27da1ecbe140089c59f79138c3a8e47b13

        SHA256

        194899a0c37c630ec31ed174b0d2272ed16bb0dc35c76ca09c2161ea6fc69670

        SHA512

        4433c6cd839a4ea7de938b47095e1f8db91443a45b823e0f90654ac24a4f867e09d9a02569c03d2f2b6a1c544a10a975d6d5c5957e4dc4db24f06892455bec1f

      • C:\Users\Admin\AppData\Local\Temp\85d1e4d405754ccdb27a0930a7d1dbde517970eb6879d9d88d57814ef8699fce.exe.exe

        Filesize

        198KB

        MD5

        e133c2d85cff4edd7fe8e8f0f8be6cdb

        SHA1

        b8269209ebb6fe44bc50dab35f97b0ae244701b4

        SHA256

        6c5e7d9c81a409e67c143cd3aed33bddc3967fa4c9ab3b98560b7d3bf57d093d

        SHA512

        701b7d1c7e154519d77043f7de09d60c1ff76c95f820fc1c9afca19724efb0847d646686053354156fd4e8a9dab1f29a79d3223f939a3ff1b3613770dc8603b1

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        38c1b05745204278dcfebbb43891f584

        SHA1

        1ad063f9c1318e9688e441318a9495f56c927a71

        SHA256

        91aab80139a2af5b1f94020bcffa8b761365e3059688bf6eefbbd748ae3aff59

        SHA512

        055535da3fa5044bed3a989e1846c71ad69b03ebe887776e509535bfe26ceb9962f8a9d0ef0d5bfdd4b42c5e2da238f1ac113fe8b719e234602a7d7d43575f0e

      • F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini

        Filesize

        9B

        MD5

        2822854d33e24347f613c750df46b810

        SHA1

        c2ea2529c032aa552d5a8301900cf27fc0f6045c

        SHA256

        73f2f888bdeaf9427c7aa3355fbe711e6570fb5e9e48c3f64cd229198ce85ad2

        SHA512

        21fff5d14e03a0420d9242a095c2e93ac2b7e6b9e49d12da907394ac9725bb746896721ceded88411895e9630a8ffbface168f0c02630b33300647d3d9e3326c

      • memory/228-10-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/228-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-27-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-37-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-33-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-1231-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-20-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-4797-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-8-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4888-5236-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB