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Analysis

  • max time kernel
    150s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 17:58

General

  • Target

    c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe

  • Size

    394KB

  • MD5

    d7f6e30036dff3820b2e3f4b161dd672

  • SHA1

    b0da76f73f8f94e984553f12d9411b9a6e006f5e

  • SHA256

    c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec

  • SHA512

    ae26610f04d8ace1599e13849d16e115609f254cb69169d507285191682e76f858e205ae231f3f6622f16ffe15d66f54b5c9398006134c91920cf4ee23638d7d

  • SSDEEP

    6144:6VfgP5jbD9aZHQ/UX80fCbByZfDWln2OQvsTFQgG4gXbPwpjEf2xll:0YFDEZHQ/iC9yZfCl2OQj4grPwVemD

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:3384
      • C:\Users\Admin\AppData\Local\Temp\c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe
        "C:\Users\Admin\AppData\Local\Temp\c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1668
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a3548.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3936
          • C:\Users\Admin\AppData\Local\Temp\c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe
            "C:\Users\Admin\AppData\Local\Temp\c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe"
            4⤵
            • Executes dropped EXE
            PID:1704
        • 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:532
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5112
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3748

      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

        251KB

        MD5

        5f1c30ed47c280f0b9412c90191e969c

        SHA1

        5763ae883d38e04bf2bd539c383c0884f32e703a

        SHA256

        25bf4f212b602d8cfd52e1e592b5ba80eea0c328d837b52b253474797a451aa0

        SHA512

        46829e258964d3c01638787cba96f70a3140303d55b65f782cde74f07b0f24c3115c124b43a09f80d42aa22407906ff20c7e0cf0042e7dc27d8e0ab06f2e657e

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        0117aa327f444c0b0278c55fb3c82470

        SHA1

        e3cdd8b82f1ee988877aada858cdb580229fb6ed

        SHA256

        a0c5703aeec81662edd26b5b9f0c62175c5598275e192049ab6717539a79ca9c

        SHA512

        c7c3777bdf0161a43c65c196e2456a0829f9d1d585f0fb885a330b9e3d9f2d15f86545cd0aa06c69b92b12a989c286c8337d8bd08e5f7cad70a0e5eae25c9e78

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

        Filesize

        481KB

        MD5

        d9a20f38778ddec5c48e2acde4956248

        SHA1

        fe41d404f38c2d570cd55158524d450f5ed50da3

        SHA256

        f39c91803fd8d891849aa7b16cd6f82fa4a3b0eaf12d6699127206f48dbf9c63

        SHA512

        c879087690924c702a818643329c7c8c2fae5fae3d9a2c6b1c5eb608f3c899ba4bd4708cde9565e957b669c09fa8ab11ad289128bc5871dd85fe4fa90c31e4b4

      • C:\Users\Admin\AppData\Local\Temp\$$a3548.bat

        Filesize

        722B

        MD5

        60a31f23877db16d75f06facd800b385

        SHA1

        6cea868b58a63d13871d58bf8fce0e10ef1bf860

        SHA256

        fc4980ac85ff1deec803a5bc8d2ca99bbaf164a44c12a609472f7241f58b8c13

        SHA512

        ea30880398d865f39ab1d1cfb9230353093f4df13565c59f3193ae643462e3b3778c35c2b326e0079a84cabffa692f3db8fcc9a5d2afe99b3a5c4dd8fb4a9bf2

      • C:\Users\Admin\AppData\Local\Temp\c253a333619d3cfb852f0419e735e17b9304a06d1d78668444bfaaaed0cbffec.exe.exe

        Filesize

        368KB

        MD5

        16a2397c1d385c4206d235c63682f301

        SHA1

        d1af8b67528255200d121fd5799c268426a9f49a

        SHA256

        0a6682d79ff46707aa7af08dc3ef3b4c0fcba87a9cba58f2a40a7168d06cdb0b

        SHA512

        5d4b8f910c6c970084d7106ab8a90458dd6443dcabb6485061c20ad0855a4057412ba35b02c1dd7bed7a6c6bdd8e4b3aae973645e251541e2f19ed9cbc7436a1

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        d1cbbe6133781e0c466ae32dfdcea838

        SHA1

        347f994867a11faa71a4080c7692ab63b050a514

        SHA256

        756713d19eb43d8478dcc4bc7746c2a7ed75bb7e4b2c77b004e8fc0ba7dab8f4

        SHA512

        cf18ebdb41634480afdefdc283d863ee248a7252d9ae6993f31a8b480a5a3f0efb4c0d4c7f9167f391ef443dad9ec0ef83f11ab74bc2336b25dd8c677fbe99df

      • F:\$RECYCLE.BIN\S-1-5-21-566096764-1992588923-1249862864-1000\_desktop.ini

        Filesize

        9B

        MD5

        9d515d16952bdb1cf51672ad091046bc

        SHA1

        5fe954c6d41499122182eb48cf6f9d203b9eae7c

        SHA256

        12ddf5d72be26a3f4fb46d905661e24bf30948454c9701f20e50436a238a25db

        SHA512

        d0f7522406355a837e55f5a99b6969ed4b0ccbc2e427b83a917eedffc37899b139c2b33ea73a90469a6045b3b71848bf97641528644a4a3f55d666223fa31d4b

      • memory/532-35-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-42-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-48-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-1017-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-1185-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-1912-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-4754-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/532-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1668-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1668-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1704-20-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB