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Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2023, 23:54

General

  • Target

    e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe

  • Size

    1.6MB

  • MD5

    7213bf8b91f8f15163f1775bc0cb8b5d

  • SHA1

    f1c6db7fc09f6cb66815cd35644f1ad4036b4a57

  • SHA256

    e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8

  • SHA512

    7d9f3f9030b9e22cbc96b56a2ed61b5cc91108264a4129f7d69b8f02027af1ff8c605bb373344fb95300c07538c24b7180e9e403b3263006ac0478e56c8e675c

  • SSDEEP

    49152:B7Gb1VYXE4PPYyLOu2/+G9BJS8qYlZWEYWwP:yADHYyLOu2/B9BJSnYXWEYWw

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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3196
      • C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe
        "C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aFF6E.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe
            "C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:972
        • 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:1020
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3816
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1636

      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

        13170cac3930f5319da800ee7788694a

        SHA1

        06f3ef4ac59d648ee3863c94dec90a752be4242f

        SHA256

        a7239e8fffbe999b921e793854fcdd0ad084b6d33e3cefc7f4e255647961eb5e

        SHA512

        3d0cc618d88afefe107be759784d9f7e2eddc7cb4b312a523fb7f9155e8e7d4050f4c8b92df39c8255d69f3c2518616604a77ae3587a752e77732b2583a57a69

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        484KB

        MD5

        7a138fbf23e5a107bb9328971452330a

        SHA1

        9020895ff8843a5189173cfe39393af43fc16904

        SHA256

        2d7059309ed6836ef38dd54066bd6b0fe5a4006de04408ab872aab11ebdd8c58

        SHA512

        1faba93ac67628e4f972d5d09f163a7e1c139214be343e21744d4e2c71c1c440c631284c6b60f9bc3c3e42fdfbeacc616b8de969884cf0ecac2bf4d9bf4a0e90

      • C:\Users\Admin\AppData\Local\Temp\$$aFF6E.bat

        Filesize

        722B

        MD5

        d84de2bb8eec6350c134ece655b91341

        SHA1

        8b0726d3669b62e237cf625ed95280f738a8bdab

        SHA256

        3100a9dfaeb58efa7b1b304d7edfd123c3b3f0a12df6d34f68b5eac8e8f9bbfa

        SHA512

        7befd8bb27201256890d25385db5031d2e899427a6617a0dbaf9e091a8d0c2b3b22ed20d602440fe749c796b4988f271c7543549daac167e95c63e7906d57d5a

      • C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe

        Filesize

        1.6MB

        MD5

        293c178f1f54acd475fd7fdac3b48d8e

        SHA1

        4d71e9d9a0abca70893c0c8462bfcce894085ba6

        SHA256

        6b67e684e4d3b9a10e0e6059faf254e4ca4d0467dfe9671a3f37fccef236755d

        SHA512

        15da5cddb49cd24ec3fee6eade926b78cf48f9e4091cbf8574c8dd278e176001b993c2cc5c377b2a1f44e46b0e7b34e72eb21b1b20142eed604520b751dc20db

      • C:\Users\Admin\AppData\Local\Temp\e62991b717736d26ca75d7392df5a55a7e4d6bc0a1bab7d2cb824018671c35d8.exe.exe

        Filesize

        1.6MB

        MD5

        293c178f1f54acd475fd7fdac3b48d8e

        SHA1

        4d71e9d9a0abca70893c0c8462bfcce894085ba6

        SHA256

        6b67e684e4d3b9a10e0e6059faf254e4ca4d0467dfe9671a3f37fccef236755d

        SHA512

        15da5cddb49cd24ec3fee6eade926b78cf48f9e4091cbf8574c8dd278e176001b993c2cc5c377b2a1f44e46b0e7b34e72eb21b1b20142eed604520b751dc20db

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        a5484ba2d9c923b19401adf03d3b7be1

        SHA1

        9ee1a5f209a6ce1db5de3d29870cf52a069f7c21

        SHA256

        45ac83f04bf5118d80787103c73eb3619ba52873666906c013857ffca1704072

        SHA512

        76511539e8940dea07aba383da823d747942658bfc03fd401c192f8a541d2253f12430aafa12853ec71c12dbf62ef666fe55bcdefc2a2cb254a821a84158034f

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        a5484ba2d9c923b19401adf03d3b7be1

        SHA1

        9ee1a5f209a6ce1db5de3d29870cf52a069f7c21

        SHA256

        45ac83f04bf5118d80787103c73eb3619ba52873666906c013857ffca1704072

        SHA512

        76511539e8940dea07aba383da823d747942658bfc03fd401c192f8a541d2253f12430aafa12853ec71c12dbf62ef666fe55bcdefc2a2cb254a821a84158034f

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        a5484ba2d9c923b19401adf03d3b7be1

        SHA1

        9ee1a5f209a6ce1db5de3d29870cf52a069f7c21

        SHA256

        45ac83f04bf5118d80787103c73eb3619ba52873666906c013857ffca1704072

        SHA512

        76511539e8940dea07aba383da823d747942658bfc03fd401c192f8a541d2253f12430aafa12853ec71c12dbf62ef666fe55bcdefc2a2cb254a821a84158034f

      • F:\$RECYCLE.BIN\S-1-5-21-4176143399-3250363947-192774652-1000\_desktop.ini

        Filesize

        9B

        MD5

        c0232c2f01c543d260713210da47a57b

        SHA1

        63f2c13c2c5c83091133c2802e69993d52e3ec65

        SHA256

        278e1b8fd3f40d95faaecf548098b8d9ee4b32e98a8878559c8c8dfcd5cd1197

        SHA512

        2ccfd67393a63f03f588296bb798d7a7d4ec2ea5d6ac486cb7bdf8a5a66b1df944d8b548f317e58bfe17dea2ae54e536ffe77bc11a43c931f3d10e299ab3fca0

      • memory/1020-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-226-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-1278-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-2571-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1020-4820-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/5000-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/5000-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB