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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2023, 18:43

General

  • Target

    91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe

  • Size

    101KB

  • MD5

    d4e42d2a1f81742c9aa3d5efc9d0f76b

  • SHA1

    39e4e462aead3ef720695cb591037431b7fca5f8

  • SHA256

    91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39

  • SHA512

    58aab2c90edc7cd3bc603fb01d9c7c3d70d520e955625322ac8274ba86dd03b3a0a09a54f70f2859522aa72e3830302829cb2e156b20f908cdf9f86731a6fe53

  • SSDEEP

    3072:cNftffjmNoxPGvE4pL4zv2NL6sRe5lxe:cdVfjmNUGvEaL4z6Re5S

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1264
      • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe
        "C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2020
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a600A.bat
          3⤵
          • Deletes itself
          PID:2064
          • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe
            "C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe"
            4⤵
            • Executes dropped EXE
            PID:2264
          • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe
            "C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe"
            4⤵
            • Executes dropped EXE
            PID:2772
        • 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:2960
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2636
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2820

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        471KB

        MD5

        c6c8fde27f649c91ddaab8cb9ca344a6

        SHA1

        5e4865aec432a18107182f47edda176e8c566152

        SHA256

        32c3fed53bfc1d890e9bd1d771fdc7e2c81480e03f1425bce07b4045a192d100

        SHA512

        a8df7d1e852d871d7f16bae10c4ff049359583da88cc85a039f0298525839040d5363ce5ef4cbdb92a12a25785f73df83cf0df07752b78e6e6444f32160a2155

      • C:\Users\Admin\AppData\Local\Temp\$$a600A.bat

        Filesize

        722B

        MD5

        dcb69bdb196816a77d25afce407b9d48

        SHA1

        6d74d1e9f9beb06f312b15ce74234f6c2ea4aa81

        SHA256

        c1febaaa4b0369429b45c37477eb3c99a830d7053004d175cbf8eb715c07729e

        SHA512

        d307916047db92fcf698f6efa9786a4ec7824b0b92d5f35e606870611fe092d518e7fe0086ef073ae1e1ad00921cc84bae2596d6893dee9fb965fdc2ce63e5b1

      • C:\Users\Admin\AppData\Local\Temp\$$a600A.bat

        Filesize

        722B

        MD5

        dcb69bdb196816a77d25afce407b9d48

        SHA1

        6d74d1e9f9beb06f312b15ce74234f6c2ea4aa81

        SHA256

        c1febaaa4b0369429b45c37477eb3c99a830d7053004d175cbf8eb715c07729e

        SHA512

        d307916047db92fcf698f6efa9786a4ec7824b0b92d5f35e606870611fe092d518e7fe0086ef073ae1e1ad00921cc84bae2596d6893dee9fb965fdc2ce63e5b1

      • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe

        Filesize

        75KB

        MD5

        a7851a05e83f42f741a804320c485083

        SHA1

        b76d2e6eb6d2bf289a5118c908578906851460d0

        SHA256

        3600ff58fdb37f53562e626fd74d6f4d8d39925d711a96f221bb4aca7992926a

        SHA512

        eadbfbee79aa0f34b35e0a9c9d717b3c8ac18729df8e52332b696352a2a41d0da37119ab1cb81a10bb7854b930e6479686f8fa8b5a447d48213e3c1c9304ce7b

      • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe

        Filesize

        75KB

        MD5

        a7851a05e83f42f741a804320c485083

        SHA1

        b76d2e6eb6d2bf289a5118c908578906851460d0

        SHA256

        3600ff58fdb37f53562e626fd74d6f4d8d39925d711a96f221bb4aca7992926a

        SHA512

        eadbfbee79aa0f34b35e0a9c9d717b3c8ac18729df8e52332b696352a2a41d0da37119ab1cb81a10bb7854b930e6479686f8fa8b5a447d48213e3c1c9304ce7b

      • C:\Users\Admin\AppData\Local\Temp\91a599fb57df5595914b7019fad54551713be537af250f0f43ebb7c9e2acbf39.exe.exe

        Filesize

        75KB

        MD5

        a7851a05e83f42f741a804320c485083

        SHA1

        b76d2e6eb6d2bf289a5118c908578906851460d0

        SHA256

        3600ff58fdb37f53562e626fd74d6f4d8d39925d711a96f221bb4aca7992926a

        SHA512

        eadbfbee79aa0f34b35e0a9c9d717b3c8ac18729df8e52332b696352a2a41d0da37119ab1cb81a10bb7854b930e6479686f8fa8b5a447d48213e3c1c9304ce7b

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        949c1d647427e45748ca7bf99f69f6c5

        SHA1

        cb82678be077dced0eac4746aa4d1cce90ab37c1

        SHA256

        af7ea121df690d7fddfea9342c9e4e7cbc68594a10009a2c927bb3148772f85d

        SHA512

        595d73796c765cb010f3dd557724742cc64efb244ceca5f6405a54674ce187f51a5f93d7717a4e6a5647c7178487b93a537fa9cb0a313da5048eddd9c40d646c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        949c1d647427e45748ca7bf99f69f6c5

        SHA1

        cb82678be077dced0eac4746aa4d1cce90ab37c1

        SHA256

        af7ea121df690d7fddfea9342c9e4e7cbc68594a10009a2c927bb3148772f85d

        SHA512

        595d73796c765cb010f3dd557724742cc64efb244ceca5f6405a54674ce187f51a5f93d7717a4e6a5647c7178487b93a537fa9cb0a313da5048eddd9c40d646c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        949c1d647427e45748ca7bf99f69f6c5

        SHA1

        cb82678be077dced0eac4746aa4d1cce90ab37c1

        SHA256

        af7ea121df690d7fddfea9342c9e4e7cbc68594a10009a2c927bb3148772f85d

        SHA512

        595d73796c765cb010f3dd557724742cc64efb244ceca5f6405a54674ce187f51a5f93d7717a4e6a5647c7178487b93a537fa9cb0a313da5048eddd9c40d646c

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        949c1d647427e45748ca7bf99f69f6c5

        SHA1

        cb82678be077dced0eac4746aa4d1cce90ab37c1

        SHA256

        af7ea121df690d7fddfea9342c9e4e7cbc68594a10009a2c927bb3148772f85d

        SHA512

        595d73796c765cb010f3dd557724742cc64efb244ceca5f6405a54674ce187f51a5f93d7717a4e6a5647c7178487b93a537fa9cb0a313da5048eddd9c40d646c

      • F:\$RECYCLE.BIN\S-1-5-21-1154728922-3261336865-3456416385-1000\_desktop.ini

        Filesize

        9B

        MD5

        6029ce528adbc1284163cdd2b27a082e

        SHA1

        a2f23e1d5101c3b6929686a2d5711c2af2dec1b7

        SHA256

        5036deecfbb090aa7f7c21c159b1921df0cf23eedafb7e0c208668ad82872dae

        SHA512

        a661e939e69a59f88fd86fa654371ba4b3e3e8faf5c1b39bdaa0def8b277b26b63e96d4f5eb047ca3d8888597165dc709f395eeaf333c25c9cf56441c31dd676

      • memory/1264-64-0x0000000002C00000-0x0000000002C01000-memory.dmp

        Filesize

        4KB

      • memory/2020-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2020-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2020-12-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2064-58-0x00000000022A0000-0x00000000022A1000-memory.dmp

        Filesize

        4KB

      • memory/2960-71-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-80-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-85-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-131-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-138-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-1891-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2960-3351-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB