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Analysis

  • max time kernel
    150s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 10:29

General

  • Target

    520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe

  • Size

    27KB

  • MD5

    bb27255c2ad0322ea91f78075c91a67b

  • SHA1

    cd7e9b4a8cb7030f2ae2f595113580c36ffe6b8e

  • SHA256

    520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b

  • SHA512

    e4d9226d13927482b289c6e3148605db0ddd5b3bd6e402bf074775b7ce2995b8aa7dab7a65f49b62a3466b0781b1f9af93613b1f123aee018327f630147ed229

  • SSDEEP

    768:hrSw16GVRu1yK9fMFLKaTxsujCT7pZpY:hrX3SHmLKarIpY

Score
6/10

Malware Config

Signatures

  • 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 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3472
      • C:\Users\Admin\AppData\Local\Temp\520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe
        "C:\Users\Admin\AppData\Local\Temp\520eec92d440b2950ca7e16d81f5b779accadccf14c28a2ff9ce08bc4f8bdd2b.exe"
        2⤵
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4676
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1696
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:3932

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\dotnet\dotnet.exe

        Filesize

        170KB

        MD5

        aa78caa9612b344d008573d41eeecc6f

        SHA1

        a291dc1ac01093b476f9d8d50d2424ae3e0a7c63

        SHA256

        d28e45cce9209552f3505371dd4a543080c8ebef6b9adaa8507180cab2f8a7c5

        SHA512

        446cb909f4d46b1591e54583aef008b2dd78a223a156899869a5c4fed600d2a70f76ce1b08960a4db89a6ac12600f695a15fcc9c7c59d89607e88613f0b6a43c

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

        Filesize

        637KB

        MD5

        9cba1e86016b20490fff38fb45ff4963

        SHA1

        378720d36869d50d06e9ffeef87488fbc2a8c8f7

        SHA256

        a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19

        SHA512

        2f3737d29ea3925d10ea5c717786425f6434be732974586328f03691a35cd1539828e3301685749e5c4135b8094f15b87fb9659915de63678a25749e2f8f5765

      • F:\$RECYCLE.BIN\S-1-5-21-1162180587-977231257-2194346871-1000\_desktop.ini

        Filesize

        8B

        MD5

        af485d3db9f82d3e5bdc8c6d87fb742e

        SHA1

        f879c3dbd3d34e9789ff73896508bfbeabbf7468

        SHA256

        7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759

        SHA512

        d5fe5155948320ef6d3f80c01c9a81f0d4f60bab381d921ab2e06b62475618b973b34346bd41b40af24f2b5aff64bba68710f405f7ff21a58f369acbaaee9360

      • memory/4676-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-5-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-12-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-18-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-22-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-1216-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-4782-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4676-5221-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB