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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230824-en
  • resource tags

    arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1368
      • 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:2924
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aD3D3.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2476
          • 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:748
        • 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:1204
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2188
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1524

      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:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$aD3D3.bat

        Filesize

        722B

        MD5

        b7e4f9dd58bcbb190dabe4c604ff7d4a

        SHA1

        97bca18dfae12ecc081fd75dde77f18615666a6e

        SHA256

        92d74533d4ba984f5cb11d739e79e57402dbbbc593f2d28465cf94b8b56b7cac

        SHA512

        f77eb9f18de2ef2f54ae27969cd6522a638d1f318873a602df9d0e3655e71ed61397a575b5dc30a2bfeacc3712b0295804ecd441c5a08da7fdfd6b123f782ffb

      • C:\Users\Admin\AppData\Local\Temp\$$aD3D3.bat

        Filesize

        722B

        MD5

        b7e4f9dd58bcbb190dabe4c604ff7d4a

        SHA1

        97bca18dfae12ecc081fd75dde77f18615666a6e

        SHA256

        92d74533d4ba984f5cb11d739e79e57402dbbbc593f2d28465cf94b8b56b7cac

        SHA512

        f77eb9f18de2ef2f54ae27969cd6522a638d1f318873a602df9d0e3655e71ed61397a575b5dc30a2bfeacc3712b0295804ecd441c5a08da7fdfd6b123f782ffb

      • 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\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-1-5-21-1528014236-771305907-3973026625-1000\_desktop.ini

        Filesize

        9B

        MD5

        c0232c2f01c543d260713210da47a57b

        SHA1

        63f2c13c2c5c83091133c2802e69993d52e3ec65

        SHA256

        278e1b8fd3f40d95faaecf548098b8d9ee4b32e98a8878559c8c8dfcd5cd1197

        SHA512

        2ccfd67393a63f03f588296bb798d7a7d4ec2ea5d6ac486cb7bdf8a5a66b1df944d8b548f317e58bfe17dea2ae54e536ffe77bc11a43c931f3d10e299ab3fca0

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

        Filesize

        1.6MB

        MD5

        293c178f1f54acd475fd7fdac3b48d8e

        SHA1

        4d71e9d9a0abca70893c0c8462bfcce894085ba6

        SHA256

        6b67e684e4d3b9a10e0e6059faf254e4ca4d0467dfe9671a3f37fccef236755d

        SHA512

        15da5cddb49cd24ec3fee6eade926b78cf48f9e4091cbf8574c8dd278e176001b993c2cc5c377b2a1f44e46b0e7b34e72eb21b1b20142eed604520b751dc20db

      • memory/1204-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-31-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-39-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-90-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-1849-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1204-3309-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1368-29-0x0000000002A10000-0x0000000002A11000-memory.dmp

        Filesize

        4KB

      • memory/2924-17-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2924-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2924-12-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB