Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 10:22

General

  • Target

    e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe

  • Size

    227KB

  • MD5

    b8cb4e86b04b6b9eb0a6f6261911f151

  • SHA1

    dcbe58dcb130510dd3c2477ce6414e8363c8c1e6

  • SHA256

    e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6

  • SHA512

    be472e8db65d8cc7792b22a95b730c5fdc5a0452b8cd52268bceff4d8a698e9505f72802dd26ff9655c8ac481a772ffbf8bd7e3561adeb6779925274a5cbf067

  • SSDEEP

    3072:pBkuJVLUdeKzC/lzMPySe8DnpeIPipoHbKvXWXz9LRnsaJUS+6wPXD3fxNW7gq5n:4uJWdeKzC/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:3448
      • C:\Users\Admin\AppData\Local\Temp\e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe
        "C:\Users\Admin\AppData\Local\Temp\e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6A24.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4496
          • C:\Users\Admin\AppData\Local\Temp\e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe
            "C:\Users\Admin\AppData\Local\Temp\e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe"
            4⤵
            • Executes dropped EXE
            PID:4540
        • 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:2984
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3316
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4832

      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

        31b58266e648b3ce129dbb398da4eb8d

        SHA1

        3fef7bf9dc3e9a9cbeb336f961122328e98728b0

        SHA256

        f7ff76094663c11af4a4849043227d365924ab84b94b2bbcb533a87f20ccff58

        SHA512

        f9dd0e0cebdeb060f238d071672c2f6aa808eaebce5c8ff016c90ca6d74b35467e86596e7fba8d2b2b37b8f90a650cad74530e024d1b6ff717a308393ab1e334

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        3888ffddbafbbba14619f7feb8539dff

        SHA1

        f51bf92ee7697f5e93dcb946e35962d48482faef

        SHA256

        68266f939fe4989bf6c860d512f01f0610a8d0978379a4e3cee18b309a189bf8

        SHA512

        2bd5374aee1f24205c74ebe97f4dd7a281f67227447a6b84e58e900f3e8dadce0fcb95c47a27648a7630d7eb53e758d6edb590a20fab7667fca442438f1f7271

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

        Filesize

        639KB

        MD5

        c8d281da4c32df16eef470c27c8cb459

        SHA1

        00efc9f6844bfaa37c264b6452c6a7356638ab10

        SHA256

        058c81e5a07f2c6c33cf28dff71d07ad8f179046108d945159957e891bfd9c62

        SHA512

        e3c79e19f620068f668d4ebaa5097f1a95a30dabb8dce75f3787171dddbea9f684fc7ce8d1011a398f38084d7af96dd1ff9a02d25906aab9b13861b8363d24bb

      • C:\Users\Admin\AppData\Local\Temp\$$a6A24.bat

        Filesize

        722B

        MD5

        06b5ea6ba90f2a96462edc86d0dc92df

        SHA1

        6acc76efa8dcd9b7462db1c588477e02faed75fb

        SHA256

        a36c8e7b55d994e9bd888c6b732154dfed68e3f495d18567eac0d23d7ca7d0f3

        SHA512

        d9c5ceb18c01362f806e0d5d0ef8eb71e0d0a8f176aecfa2507ac220a259da98a909208e800e486a7c2c1dd9bc4280e86c22c368cdf4af3218406b4a3a427e6e

      • C:\Users\Admin\AppData\Local\Temp\e78daf8d8c28779729b4807a7c539ed8003a9da4f45683e00fb6600f71d27ef6.exe.exe

        Filesize

        198KB

        MD5

        e133c2d85cff4edd7fe8e8f0f8be6cdb

        SHA1

        b8269209ebb6fe44bc50dab35f97b0ae244701b4

        SHA256

        6c5e7d9c81a409e67c143cd3aed33bddc3967fa4c9ab3b98560b7d3bf57d093d

        SHA512

        701b7d1c7e154519d77043f7de09d60c1ff76c95f820fc1c9afca19724efb0847d646686053354156fd4e8a9dab1f29a79d3223f939a3ff1b3613770dc8603b1

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        bc2a08f1fe0430eb261fa12807b391db

        SHA1

        cfc8edda8d2a0eb6677468da30013b8c54a7a37c

        SHA256

        7e2c164ef33df9f9c8d4493d7ba3ddffeb8d6a9a6363a76334472f52feb3f5bc

        SHA512

        36419d572cc6e7f08c401dde59233bb4d50939c1471147572f11f1a4896eeb5a89228a945eb43d94fe0a6c44775a16c3b2f1c49691275d814f86105a1a346a49

      • F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\_desktop.ini

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/1688-9-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1688-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-26-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-36-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-32-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-1226-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-19-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-4792-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-12-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2984-5231-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB