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Analysis

  • max time kernel
    149s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 09:05

General

  • Target

    858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe

  • Size

    2.2MB

  • MD5

    3bb23713500e3778f7a456fe5d6ebfa7

  • SHA1

    3e41436f3ac0e194baaa86aba9c6554c144b3600

  • SHA256

    858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d

  • SHA512

    650784071869b28b25122eda6a28ea527214f69073ffe7b1eba67a341ace78a56c4ed56eac72119a790d0acc3a9bcd3c4f85fae9db5e775b9e3a1d29904e6cee

  • SSDEEP

    49152:l7DEmCd7ei0elaGJo08JfcgelMlionnSTAc:QgJkgBioPc

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:3540
      • C:\Users\Admin\AppData\Local\Temp\858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe
        "C:\Users\Admin\AppData\Local\Temp\858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2312
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a518B.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2924
          • C:\Users\Admin\AppData\Local\Temp\858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe
            "C:\Users\Admin\AppData\Local\Temp\858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe"
            4⤵
            • Executes dropped EXE
            PID:1976
        • 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:2828
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4480
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3068

      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

        d852ef5dff2438ea0a845f1fd260acae

        SHA1

        1359ff66e9cbcbe132d67481a7de5c326630380c

        SHA256

        c37e4f105ed9742bb9b25041b423b96815b4ab52b31544cd519f15ac2e2d8959

        SHA512

        5b8544a25c9bf0c3c851be388b32515c31b3f000f5883d993f3b288f71ef07aa2d040b0f30df7559976eaf6f5aeba994a72bb75eaf520efbf5559ccb38e1335d

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        fb5a9669477fbb6642ae249b52e2c814

        SHA1

        8c94963524d24546da243f782aab5f3ecad9a3b9

        SHA256

        1db4dab953ab16797a3cd4b903f55e7e308726b3d46f6fd4a4d5ff913801eb3f

        SHA512

        f0fc9d3f9b4b8739c43d474d475323d389a02d42af83360909da711ba283a1e6e7097504716affd7883e954d61886f74e81a995f6d9e2033778cfa8356857cd0

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

        Filesize

        636KB

        MD5

        2500f702e2b9632127c14e4eaae5d424

        SHA1

        8726fef12958265214eeb58001c995629834b13a

        SHA256

        82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

        SHA512

        f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

      • C:\Users\Admin\AppData\Local\Temp\$$a518B.bat

        Filesize

        722B

        MD5

        9041a3d87e723bbddc7437d4670cc13b

        SHA1

        b10f1d847fa42f0b2a40eb938dbaa3a5d56766eb

        SHA256

        9b7fce64d316416165886f8da6c9e50c0b513ef73ab8620297114db3c381a960

        SHA512

        47035935f7b5ee9df151030de6140d42688e45ab8926155c53541193b71553e200e5b352c98f5ac8bcd8f5a874eec961bd38f3589b2169d615952acb95faf1c8

      • C:\Users\Admin\AppData\Local\Temp\858b05e503dcbc0ece3339ac3fbeec9d6804d7d9581946c3427775175df7566d.exe.exe

        Filesize

        2.1MB

        MD5

        67e7203b3ec026ded8d474d677f7755c

        SHA1

        dc3331c968d3d2d3ff5973f82f5aaa2ec976c418

        SHA256

        06223ec33140bbf02f6a67879fa49abcd77792c860579d1d330092fb29b563a6

        SHA512

        98a16f7c958174a43871a6487876a1b37f92761de634c979d2d04b2daac5421f172c3495b4857ab082b95c59fd2d9d6c81f340dc9d4277a7a353d4d6acfb01ec

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        c45bd4df01497a84c77398a57e042c8d

        SHA1

        582329976510839033609ecf5b3298569ed1575d

        SHA256

        abdd548cbdd8c1bf8921f8e4323307e155d9ddc048cf957b6c932f8758a74968

        SHA512

        f8cc4f4847840431dda0da9e94448a8420be2c5dac5fe5b72cbd8fcd91bb9e57d4b0a6af49c04e18b1d33cefa78ff3eaa64f364b248faaa763242599bad7d67b

      • F:\$RECYCLE.BIN\S-1-5-21-1337824034-2731376981-3755436523-1000\_desktop.ini

        Filesize

        8B

        MD5

        ee8c783242e20d39ed0878caba7b4548

        SHA1

        1556ec263d4ec9c198a44ea2ecc3c4141ef4509b

        SHA256

        83855d38f6399f8cd40257a5d87a328d41c21e0e50ad4c91de11897e03ad4532

        SHA512

        427491089ca5aecb5f365d6adf2e5c9d18a7acf93d471a425364dc504f581f29908df9abfa0fb721e768004737d6c250804dbf27b3c9e4b87532052810318f2a

      • memory/2312-12-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2312-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-34-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-1231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-20-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-4797-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-13-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2828-5236-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB