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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 06:25

General

  • Target

    43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe

  • Size

    251KB

  • MD5

    41059b4dd25460dd30f1e701cf63122e

  • SHA1

    0d50b07ec0645c8d961edd752d3705bbf2b490cb

  • SHA256

    43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778

  • SHA512

    560b340d1c00d0c4e18a4a649b6c141386398b4ae49439f05a5bef09dd2adadba9e312d628efbd7275b14b9ac53bafefcd27624ff7b404939fc4ee941f14b435

  • SSDEEP

    6144:BI4+aX3gBQZbO5JCSZT0wwla4G13CmdxLzI9LTB5xnmT:l+aRbuJcfcXbz0Tfxo

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe
      "C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
            PID:2068
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9415.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2640
          • C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe
            "C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe"
            4⤵
            • Executes dropped EXE
            PID:2940
        • 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:2052
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2956
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2776
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2804
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2788

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          258KB

          MD5

          867140655369703de1d7684659b73119

          SHA1

          a7a0716dbc9cb0a32469ba9c7e295d80bf268a83

          SHA256

          bca1c6682f0a0557d68eb653742df115318bdb5a03ba4547b287ca344886b35f

          SHA512

          c3a8080273f39f9008370e6adec946e10641d60933c529197207756cce995a306fc2dc39eccb85493ceda12e6124ca92961b4aa0a81f7cd8d708a6ce3e4f0eab

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

          Filesize

          478KB

          MD5

          0a71d731679d29833a636a9e044d179c

          SHA1

          78b1e5c1a6a49b09ae6b19389d6855e868f71285

          SHA256

          648c51d0ab8896438ac4fdecea9badc8d6f55b85f7b4727d935f127bb8d161e6

          SHA512

          cdf7fe2c37fa187e34c4ff013eac10c2c6c724f0e107847bbe078810e26138124d7b404d4f0ce9e154509c01b8e4c86a86a2f708edc82f8861de83c080d0c4e9

        • C:\Users\Admin\AppData\Local\Temp\$$a9415.bat

          Filesize

          722B

          MD5

          763220c88bfa986f5560f11f2f0e55e5

          SHA1

          7c4c95cac6c710eb2fc589868f8d2693744e6855

          SHA256

          8f8c1e51a6fec0f0291362882fc20ab7b3da8b5db3d45cd9851a42d73a6844d7

          SHA512

          e4701c9c6512f4121cc87e3d90d1a1057ea2c969e8c834fbf9fc6ddcca886daa17370e098b6c2ffd82d203767f286f7b7fff68b13ce78136ffbeff53e43f5e96

        • C:\Users\Admin\AppData\Local\Temp\$$a9415.bat

          Filesize

          722B

          MD5

          763220c88bfa986f5560f11f2f0e55e5

          SHA1

          7c4c95cac6c710eb2fc589868f8d2693744e6855

          SHA256

          8f8c1e51a6fec0f0291362882fc20ab7b3da8b5db3d45cd9851a42d73a6844d7

          SHA512

          e4701c9c6512f4121cc87e3d90d1a1057ea2c969e8c834fbf9fc6ddcca886daa17370e098b6c2ffd82d203767f286f7b7fff68b13ce78136ffbeff53e43f5e96

        • C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe

          Filesize

          218KB

          MD5

          5f1707646575d375c50155832477a437

          SHA1

          9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

          SHA256

          75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

          SHA512

          2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

        • C:\Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe.exe

          Filesize

          218KB

          MD5

          5f1707646575d375c50155832477a437

          SHA1

          9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

          SHA256

          75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

          SHA512

          2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          33f5a3f989229558b91469f2b9428fac

          SHA1

          87f21576e885ebca692e6c047c802837b400c86d

          SHA256

          c8c7b309235cda4a03d692f4b6292687a5dd14edc793968d525697f0fd253e4c

          SHA512

          825e45c1d6ffe5a95ceb47011a762f192431edea8aa4f74c85f35db6f61db6ba9803faeaa45abaa17ef051963edb902c837758257e7e8e04f6e34455ce8a0b50

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          33f5a3f989229558b91469f2b9428fac

          SHA1

          87f21576e885ebca692e6c047c802837b400c86d

          SHA256

          c8c7b309235cda4a03d692f4b6292687a5dd14edc793968d525697f0fd253e4c

          SHA512

          825e45c1d6ffe5a95ceb47011a762f192431edea8aa4f74c85f35db6f61db6ba9803faeaa45abaa17ef051963edb902c837758257e7e8e04f6e34455ce8a0b50

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          33f5a3f989229558b91469f2b9428fac

          SHA1

          87f21576e885ebca692e6c047c802837b400c86d

          SHA256

          c8c7b309235cda4a03d692f4b6292687a5dd14edc793968d525697f0fd253e4c

          SHA512

          825e45c1d6ffe5a95ceb47011a762f192431edea8aa4f74c85f35db6f61db6ba9803faeaa45abaa17ef051963edb902c837758257e7e8e04f6e34455ce8a0b50

        • C:\Windows\rundl132.exe

          Filesize

          33KB

          MD5

          33f5a3f989229558b91469f2b9428fac

          SHA1

          87f21576e885ebca692e6c047c802837b400c86d

          SHA256

          c8c7b309235cda4a03d692f4b6292687a5dd14edc793968d525697f0fd253e4c

          SHA512

          825e45c1d6ffe5a95ceb47011a762f192431edea8aa4f74c85f35db6f61db6ba9803faeaa45abaa17ef051963edb902c837758257e7e8e04f6e34455ce8a0b50

        • F:\$RECYCLE.BIN\S-1-5-21-377084978-2088738870-2818360375-1000\_desktop.ini

          Filesize

          9B

          MD5

          ec7139d5bb99bcebaf0b91c58a9ec5aa

          SHA1

          70404362dd74e309722fd282c3492ec95674123c

          SHA256

          eb17ae1b1de9e95e0d159893048f2de5c1c158467e768cc0ddbaa517c45e0582

          SHA512

          b0114d8f74b17836819b750cff2b590b652e04bb2dc0e9dc8bffac7ed66bd9ded03cd35abc7fc0fcd0127a994c283dcd162e97e6dd76f5a903ff59e4951dfc48

        • \Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe

          Filesize

          218KB

          MD5

          5f1707646575d375c50155832477a437

          SHA1

          9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

          SHA256

          75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

          SHA512

          2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

        • \Users\Admin\AppData\Local\Temp\43575383ec8b05c097f90373dfe8486212a968d8ab381e45b42c6f7f662de778.exe

          Filesize

          218KB

          MD5

          5f1707646575d375c50155832477a437

          SHA1

          9bcba378189c2f1cb00f82c0539e0e9b8ff0b6c1

          SHA256

          75d348a3330bc527b2b2ff8a0789f711bd51461126f8df0c0aa1647e9d976809

          SHA512

          2f55dd13abfeb5af133ac5afb43c90fd10618e8fb241f50529241cff7987fff382cf151146855c37ad8ae0401b34f6d9aa32cbec03cdd67a224dfe247bad6c99

        • memory/1256-28-0x0000000002B10000-0x0000000002B11000-memory.dmp

          Filesize

          4KB

        • memory/2052-32-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2052-1837-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2052-19-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2052-4091-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2332-0-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB

        • memory/2332-15-0x0000000000330000-0x000000000036F000-memory.dmp

          Filesize

          252KB

        • memory/2332-16-0x0000000000400000-0x000000000043F000-memory.dmp

          Filesize

          252KB