Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 01:00

General

  • Target

    90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

  • Size

    73KB

  • MD5

    9737eabaab648bc92049174a2e50962e

  • SHA1

    e08f8b08bd1b5985ce74820a720bcc56f00bc0a7

  • SHA256

    90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8

  • SHA512

    a09688927076688048fb6f008aabd106f90ade1699c7fccd9c19079f1cb27974869eeab9d99fa74fc876a3a6789da750b8b712490257b0c23f6082ecbad42d93

  • SSDEEP

    1536:PfgLdQAQfcfymNUq0DnyvpQ8/g0biDGv0AcutQE:PftffjmNsyvO0gRrAcsH

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1272
      • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe
        "C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2792
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7955.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2968
          • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe
            "C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe"
            4⤵
            • Executes dropped EXE
            PID:2236
        • 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:3004
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2020
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2736

      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

        f9355d276bece82a92f67e30ddffff08

        SHA1

        b1f764a07e6ce8e450242845b9aaa978267f1259

        SHA256

        2da96256524dc65e3e6a4b837fa793a48be6a69216174c72f8661fbdf50dce22

        SHA512

        1cb5e6fbbaf89804642627f07e1c73230311fe1d28a055dfe551088d7e443dbbf1d93cf8e4c20c198f377ea201bf1aecfa329015202dff4f53ceb58006dcd92a

      • 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\$$a7955.bat

        Filesize

        722B

        MD5

        957f05ee7695d8e72b5e504ea9104be8

        SHA1

        6e70df98f8cfea20e9bebdb575f5841f1e6e18dd

        SHA256

        f789a875928dbf4d646caecee08992b24314c87e634df0c07eb2068cfc94c331

        SHA512

        d8c24b040cd80bce9d9c2a22049d12731e2f798fa19992624044272bf81c0f562b7d00f3283618ba03e86a34bc80f4eb6ba53ce88fdb348891f2bb8892c6a983

      • C:\Users\Admin\AppData\Local\Temp\$$a7955.bat

        Filesize

        722B

        MD5

        957f05ee7695d8e72b5e504ea9104be8

        SHA1

        6e70df98f8cfea20e9bebdb575f5841f1e6e18dd

        SHA256

        f789a875928dbf4d646caecee08992b24314c87e634df0c07eb2068cfc94c331

        SHA512

        d8c24b040cd80bce9d9c2a22049d12731e2f798fa19992624044272bf81c0f562b7d00f3283618ba03e86a34bc80f4eb6ba53ce88fdb348891f2bb8892c6a983

      • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

        Filesize

        47KB

        MD5

        68826ea2108df610a59b6590648da99d

        SHA1

        b934e775b7466ae16a920768230f2c6f473b446c

        SHA256

        0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

        SHA512

        6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

      • C:\Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe.exe

        Filesize

        47KB

        MD5

        68826ea2108df610a59b6590648da99d

        SHA1

        b934e775b7466ae16a920768230f2c6f473b446c

        SHA256

        0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

        SHA512

        6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        57421e0ad6d6cde884d99ac4513935e2

        SHA1

        4c3bdbca37bac500488aa23842a4e77a1b65675c

        SHA256

        9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

        SHA512

        8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        57421e0ad6d6cde884d99ac4513935e2

        SHA1

        4c3bdbca37bac500488aa23842a4e77a1b65675c

        SHA256

        9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

        SHA512

        8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        57421e0ad6d6cde884d99ac4513935e2

        SHA1

        4c3bdbca37bac500488aa23842a4e77a1b65675c

        SHA256

        9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

        SHA512

        8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        57421e0ad6d6cde884d99ac4513935e2

        SHA1

        4c3bdbca37bac500488aa23842a4e77a1b65675c

        SHA256

        9b7564d2d24f5a52f4b6c30260dd664ed84aba7d74f383c9051dc493dd2c75b0

        SHA512

        8e5b55bd2bacc14ccc536b63e34dfe39efa8cd17644015c5c3ca99b0dadc678e22e6bc95a6aa03abdb4067516c1c97fb02f0c556e794eef0821cc753d1dddc1e

      • F:\$RECYCLE.BIN\S-1-5-21-2969888527-3102471180-2307688834-1000\_desktop.ini

        Filesize

        9B

        MD5

        ec7139d5bb99bcebaf0b91c58a9ec5aa

        SHA1

        70404362dd74e309722fd282c3492ec95674123c

        SHA256

        eb17ae1b1de9e95e0d159893048f2de5c1c158467e768cc0ddbaa517c45e0582

        SHA512

        b0114d8f74b17836819b750cff2b590b652e04bb2dc0e9dc8bffac7ed66bd9ded03cd35abc7fc0fcd0127a994c283dcd162e97e6dd76f5a903ff59e4951dfc48

      • \Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

        Filesize

        47KB

        MD5

        68826ea2108df610a59b6590648da99d

        SHA1

        b934e775b7466ae16a920768230f2c6f473b446c

        SHA256

        0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

        SHA512

        6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

      • \Users\Admin\AppData\Local\Temp\90a3c07bb5f9c86790a033a2a9124e66b11e23a2bd481a507d2aa51db3eac7d8.exe

        Filesize

        47KB

        MD5

        68826ea2108df610a59b6590648da99d

        SHA1

        b934e775b7466ae16a920768230f2c6f473b446c

        SHA256

        0fe0b4a2c17b507e77ece9c0c1b27e67ccead9f2bbb0e6efc26dcaccd5dd1b64

        SHA512

        6ea1125a09a1f144c9aa426cf501694976ac3c4a32a31b39658e0298ebca6972bd2e4ae08710f82def7fb72cb096bae8af1b71f0d1a6e260984e36096ea7079c

      • memory/1272-31-0x0000000002310000-0x0000000002311000-memory.dmp

        Filesize

        4KB

      • memory/2792-21-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2792-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2792-33-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2792-20-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2792-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-42-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-48-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-95-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-100-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-229-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-1853-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-34-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-3313-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3004-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB