Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 10:35

General

  • Target

    f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe

  • Size

    1.2MB

  • MD5

    bfd3f91d559172b38b954b86fd6ac252

  • SHA1

    62dd42eeb22c0d78f77a9284ca0858479c607eae

  • SHA256

    f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30

  • SHA512

    53dd099329c93e013ade1c6d35d9ed80acfe01a7055cb23c29d782777f0ff6adff84b04fd99efca41b02e82d9c606968973a9fc7fc433284ba24c92017386082

  • SSDEEP

    12288:k7+Lq+e48dJWBKlUgF1J0stz9o4D1DeDecOMehHgSDv0e9+nK+kOFHZz4:k7aqh4AXlU61JTw4DteDNehK5z4

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 WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1256
      • C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe
        "C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2416
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a8298.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:908
          • C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe
            "C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe"
            4⤵
            • Executes dropped EXE
            PID:2016
        • 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:1388
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2984
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2968

      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

        b1c3f529ae9468536e29af683f7f6904

        SHA1

        f8d9912a6b77c1af7ba76c6b0abf1aa6a1297e14

        SHA256

        b654e90b97d92aa8a2cd388bbbe6d704a88cdbf54fdd4d987bd3eb83d8e277ad

        SHA512

        959cd66618192751d4a4b0331b34f2be9931083b05a8e0c3c5f1abd998cae8421db89734ee529fcab1dbb46c6d4ab42139dad01a3554dab482c85a5e988e5213

      • 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\$$a8298.bat

        Filesize

        722B

        MD5

        4d8fcd090a0811fe8d9c1854eaa95fe7

        SHA1

        30bd71c07d2499e546860a85ed449b744b6e0808

        SHA256

        67188c27be96310628d7e0171903f9c61032ab10fddfae948362fe08c223fabf

        SHA512

        e7590241b7de7748a3c4a148edf681f398d21df8ded059c37bd4a6779c90552849222bdda707feab23acf5a7e6cb611b7c5e71a47245e96f0a375e270e704372

      • C:\Users\Admin\AppData\Local\Temp\$$a8298.bat

        Filesize

        722B

        MD5

        4d8fcd090a0811fe8d9c1854eaa95fe7

        SHA1

        30bd71c07d2499e546860a85ed449b744b6e0808

        SHA256

        67188c27be96310628d7e0171903f9c61032ab10fddfae948362fe08c223fabf

        SHA512

        e7590241b7de7748a3c4a148edf681f398d21df8ded059c37bd4a6779c90552849222bdda707feab23acf5a7e6cb611b7c5e71a47245e96f0a375e270e704372

      • C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe

        Filesize

        1.1MB

        MD5

        e4a503435f3b6022248cfa641063c49c

        SHA1

        68e2275067ab7b1c0363596efd70dcbfa1e4d4f3

        SHA256

        84f33048177e9fe9dcbd3e1480ff0ce845e351a15f09ecc3484c359079bebad9

        SHA512

        bcdbc7b995177deb0fcc25d4addbdb728be09871639a82b72d77579a0f4c9a43115bea7404cdbd60bfcc63e858642c3b79fa52906a4dd952f05f818ad5339489

      • C:\Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe.exe

        Filesize

        1.1MB

        MD5

        e4a503435f3b6022248cfa641063c49c

        SHA1

        68e2275067ab7b1c0363596efd70dcbfa1e4d4f3

        SHA256

        84f33048177e9fe9dcbd3e1480ff0ce845e351a15f09ecc3484c359079bebad9

        SHA512

        bcdbc7b995177deb0fcc25d4addbdb728be09871639a82b72d77579a0f4c9a43115bea7404cdbd60bfcc63e858642c3b79fa52906a4dd952f05f818ad5339489

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bb142134dd29c56728598cda72900166

        SHA1

        e3039cefc0be0956af41a34276c8aa76dd735f1b

        SHA256

        3065c37d9a533df1f04ea8498a59cfcf26cfe306da649ca89bcfe7597d49d1c7

        SHA512

        8e7e1a78ccc65e48e8c66a09dcf7361fdd86e6d6466c22c50e33c68d6df919675d3b57214c588ae3715508db8b44b5933555a93f311443209217837ea3f4222c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bb142134dd29c56728598cda72900166

        SHA1

        e3039cefc0be0956af41a34276c8aa76dd735f1b

        SHA256

        3065c37d9a533df1f04ea8498a59cfcf26cfe306da649ca89bcfe7597d49d1c7

        SHA512

        8e7e1a78ccc65e48e8c66a09dcf7361fdd86e6d6466c22c50e33c68d6df919675d3b57214c588ae3715508db8b44b5933555a93f311443209217837ea3f4222c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bb142134dd29c56728598cda72900166

        SHA1

        e3039cefc0be0956af41a34276c8aa76dd735f1b

        SHA256

        3065c37d9a533df1f04ea8498a59cfcf26cfe306da649ca89bcfe7597d49d1c7

        SHA512

        8e7e1a78ccc65e48e8c66a09dcf7361fdd86e6d6466c22c50e33c68d6df919675d3b57214c588ae3715508db8b44b5933555a93f311443209217837ea3f4222c

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        bb142134dd29c56728598cda72900166

        SHA1

        e3039cefc0be0956af41a34276c8aa76dd735f1b

        SHA256

        3065c37d9a533df1f04ea8498a59cfcf26cfe306da649ca89bcfe7597d49d1c7

        SHA512

        8e7e1a78ccc65e48e8c66a09dcf7361fdd86e6d6466c22c50e33c68d6df919675d3b57214c588ae3715508db8b44b5933555a93f311443209217837ea3f4222c

      • F:\$RECYCLE.BIN\S-1-5-21-4159544280-4273523227-683900707-1000\_desktop.ini

        Filesize

        9B

        MD5

        c0232c2f01c543d260713210da47a57b

        SHA1

        63f2c13c2c5c83091133c2802e69993d52e3ec65

        SHA256

        278e1b8fd3f40d95faaecf548098b8d9ee4b32e98a8878559c8c8dfcd5cd1197

        SHA512

        2ccfd67393a63f03f588296bb798d7a7d4ec2ea5d6ac486cb7bdf8a5a66b1df944d8b548f317e58bfe17dea2ae54e536ffe77bc11a43c931f3d10e299ab3fca0

      • \Users\Admin\AppData\Local\Temp\f1f6b19b1d1d8c77b2cb5b0815d5f1e479912a33e1172ff35bbf05a07c1c4f30.exe

        Filesize

        1.1MB

        MD5

        e4a503435f3b6022248cfa641063c49c

        SHA1

        68e2275067ab7b1c0363596efd70dcbfa1e4d4f3

        SHA256

        84f33048177e9fe9dcbd3e1480ff0ce845e351a15f09ecc3484c359079bebad9

        SHA512

        bcdbc7b995177deb0fcc25d4addbdb728be09871639a82b72d77579a0f4c9a43115bea7404cdbd60bfcc63e858642c3b79fa52906a4dd952f05f818ad5339489

      • memory/1256-30-0x0000000002970000-0x0000000002971000-memory.dmp

        Filesize

        4KB

      • memory/1388-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-1851-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-3311-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-188-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-93-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1388-99-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-16-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2416-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-32-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2416-21-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB