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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/02/2024, 04:35

General

  • Target

    a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe

  • Size

    487KB

  • MD5

    a4445bb89915e444b9ac05b059049ce3

  • SHA1

    1efe22adb89b971fa2313f6122627375e57b1806

  • SHA256

    a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d

  • SHA512

    6e99ec470a3dcee764ea9defa3692e5842b4064de7272c5f1746b3f0a7dc2e877429e07eb1e428299ab585e126b1d852fe7137bb96e0e4094416663186965036

  • SSDEEP

    6144:NuJPz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fayCV7E:y1gL5pRTcAkS/3hzN8qE43fm78V

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 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3556
      • C:\Users\Admin\AppData\Local\Temp\a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe
        "C:\Users\Admin\AppData\Local\Temp\a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2428
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4045.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1580
          • C:\Users\Admin\AppData\Local\Temp\a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe
            "C:\Users\Admin\AppData\Local\Temp\a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe"
            4⤵
            • Executes dropped EXE
            PID:2616
        • 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:4536
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3008
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        aeff12d8a998981b23665787e08d147b

        SHA1

        e6eb2e1276e3fb28bbbccd3d928447538c213989

        SHA256

        fee1bdb45b9d3eb249670314061ff6ee652380e62684f6c3c7b520d344723aca

        SHA512

        4cf658b4e7340b92f1ee8184cf6294918354f1227cd6da8476c9b78e823df0f501c503f95b2456bdd432eb508ab80e23c71848fdcd84a4a3b1c357665ecc631f

      • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

        Filesize

        484KB

        MD5

        acf461e6797ef1ecbf31a7ef41352008

        SHA1

        eee9ae8eca211d2b5ec5abb6247b78a3c0b20dd2

        SHA256

        1d7e3299fd13afbfc3c0d940c7fea26e53445aab9fbc1e348ee078ec89b41c63

        SHA512

        ea6ca85808015a5ec2b4024a94bc6a6f13dd932b40418313ec751179f5d456874977b2843bc8ae5fede655ce4a06fe4246ac9ee2892932c2aaa88b373c84abc7

      • C:\Users\Admin\AppData\Local\Temp\$$a4045.bat

        Filesize

        722B

        MD5

        232fa8f6f22e6d76487ff193db4fc7eb

        SHA1

        ca3ca710a3a2bb6728c4988d49d25489a8943927

        SHA256

        210a34953682cbe62e22f4abe501ec6e00900ab7985d7cef9759110a5ffb9066

        SHA512

        6342a66ed34743baa1392287cb45492c69a887cdee168bfb00088662deabb4f885b2c89a8b0c98b1dbe312c1616c2f41e78f89664ae6e170a8915fde4aa7abe8

      • C:\Users\Admin\AppData\Local\Temp\a6f51f748342c15c1bba7f24af4cf78881c03fecce722ece212137574873677d.exe.exe

        Filesize

        458KB

        MD5

        619f7135621b50fd1900ff24aade1524

        SHA1

        6c7ea8bbd435163ae3945cbef30ef6b9872a4591

        SHA256

        344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

        SHA512

        2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        d014f0d4e32db60ddeb4a1fb3d196b7d

        SHA1

        0aed23f1d71795bd8494f4b1cfbf379e6e5d3fa6

        SHA256

        c2f650792ca6a40a43bf6538def0d09a852985eaadbbdc69ff81d624b41a6061

        SHA512

        5410ad7edc070fd8a32f5a9f2ad2ea7451bd8bdef3c772568f91209b43c663ac252fd483096f17d560d0ba2655a9adb021fa7c9b5bc2646c9b6ace5a5d7d57e8

      • F:\$RECYCLE.BIN\S-1-5-21-1392040655-2056082574-619088944-1000\_desktop.ini

        Filesize

        9B

        MD5

        70eb801394f34df3f5d5478555204e02

        SHA1

        7da7e3e98fa5f4b19b7c862670f7bafd17e69dca

        SHA256

        e4693937004168f1be952c09866d8661d845e28e9a15f989ca440d499cfe76ec

        SHA512

        dae67b2c69a4ac6358f286e98d0eee9e97536cab4a24d99360b3556adcfdb00eded3ca6891843855e43b0c493dc99b60c8d01c72570eb6f7bcf0f4ff079bf98e

      • memory/2428-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2428-10-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-37-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-32-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-26-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-41-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-19-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-1002-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-1165-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-2303-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-4716-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/4536-8-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB