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Analysis

  • max time kernel
    156s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 22:04

General

  • Target

    e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

  • Size

    1.5MB

  • MD5

    fc9ac7d9d1b4ba2cf65acc29f52a3ca9

  • SHA1

    494d8b742e866ba2cd01f491c2fd4ce95c8d0af3

  • SHA256

    e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c

  • SHA512

    e50641d371593574a3c141f95c68cdbdfe55fc9963d7b57b74cc4463ab429d23c7a7b9b70cd574365f46b3cd2d4e508d0f1aaa560224ec1fc8661a9988f2bf17

  • SSDEEP

    12288:a7+Wi/npiDfEI1RMsiRKMXTQ6RgvaPSgLYmm++0uAeL5TlOuj2Zj+ALGr4oUM0+o:a7wpiD3oK6VAaPpYmm0cOujgu4mkV

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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 20 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3172
      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe
        "C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD3EA.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4276
          • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe
            "C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe"
            4⤵
            • Executes dropped EXE
            PID:4940
        • 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:4636
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3304
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3852

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        484KB

        MD5

        f9befaf4b2a3fea22216860449f7e862

        SHA1

        2906ce4e65cab286fdbb706c4380eab2083f3825

        SHA256

        1f117544245400d7cd378da287f788766d7db882279f1786c43e82324f8dee65

        SHA512

        75ad6493cc9c0de631036418546e71715d222735a7603ae48ee6c662e3b7299116df7e4a5bae016af21da1d675131456479fcdd1feb0af40724ed6c2f89583d8

      • C:\Users\Admin\AppData\Local\Temp\$$aD3EA.bat

        Filesize

        722B

        MD5

        8a2c6a960955db14432fa59cb8d8010f

        SHA1

        4e001788e330a2e6b7400fb308f83d572c0d3feb

        SHA256

        7a46eb64023eb8b3e2fc0cddbf60ac1408eb3488ee40e6b244df6bb5323777aa

        SHA512

        9f95eee1ef14b46ec6276a0afd81040b5c258d711c944b5e401ef7f43b64ae84ee09733f5d27989058c827aee463147ff3120a918b7b4611cf6b1ae57745108a

      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • C:\Users\Admin\AppData\Local\Temp\e1fa2e936f6e94c2ddb7808c4a3f9f8e4cb9233a8760943cf5beed28690e904c.exe.exe

        Filesize

        1.5MB

        MD5

        7b0f4337ff56720c1107c1589908f1d2

        SHA1

        736ebfa25e4ff2974048b069d436e9d8fd83f840

        SHA256

        21c9d4ee5c002748070f6e411a2883851546f66962896f9943eb57d84562f85c

        SHA512

        33cb47c00b9624b754987b547ccbae6b70dacd8660682250401960d0e2591c55d02da973b6351e9dacd83a3bc234449c63761d352e7ae70e26acace278897604

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        bf432bacde0b936f7fd20c466ec0bfc9

        SHA1

        aff70b2cb9c409e3b63e7fc33f132441edad86db

        SHA256

        5d2e80c8e42ad3cf43ca754fb4597753ec8d80fc7d027e11f43536dd2f88d39e

        SHA512

        c134428f8da55038acf63eaae12357060574e2f062befc57c6a69c6833ab10a4eb08c6f36cd6433de1538f2b5b09ef8bb74acb8235856a5aac024914165c1a1a

      • C:\odt\_desktop.ini

        Filesize

        9B

        MD5

        872506f1dadcc0cedd1e9dee11f54da4

        SHA1

        d1e87145ed1d918f10ae4e93ccdbb994bc906ed5

        SHA256

        a0049e98811438481e150df54f7b555026746c943cb03106677bf75b4e412104

        SHA512

        6cf3aeeed18e66a16ed653a5c33133ec8d5fb58cf42aab9e712cf473233e506d4f14692dff04b7c20847718e5c344ec2651e57d2ae7a034610b07679b786344c

      • F:\$RECYCLE.BIN\S-1-5-21-1574508946-349927670-1185736483-1000\_desktop.ini

        Filesize

        10B

        MD5

        743754b59d55d26c081d8f839a3662c8

        SHA1

        8e88e3bda53f58b9122f6f9c9a5f23f80e7be6c7

        SHA256

        bbb0f1aae4572c821fac1d6b7890df67d9f4a7576af30e70925192dded063e8b

        SHA512

        1e8d9e5e1651bd2aaef969713d949cc4ddab58c53d0be31392d660aedeb621a0f968196e4938d2ba75e40ebdb7557cee23bf5587877268cb087fdd09a8abba1b

      • memory/2336-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2336-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-38-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-60-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-1116-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-1279-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4636-1532-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB