Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 03:10

General

  • Target

    f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe

  • Size

    252KB

  • MD5

    3055d511163bd665e36aa71cf424ff2c

  • SHA1

    100d3231f9f0833ce242b1160ab36eff8aaba9c0

  • SHA256

    f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a

  • SHA512

    39ab63863f2a748c68165f47714c8333182c5ee92bb7fae99cc1d07f0011387dda582509e38b4d079ce8e622d1f0efee168d0e8181c9ff65234142fae4ac5b94

  • SSDEEP

    6144:BFpOgiC4bXqsTk90qC1AOb7eswf1Px++fD8PJ:bplitXqsTkiR7twRx+gD8PJ

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3500
      • C:\Users\Admin\AppData\Local\Temp\f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe
        "C:\Users\Admin\AppData\Local\Temp\f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7937.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2564
          • C:\Users\Admin\AppData\Local\Temp\f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe
            "C:\Users\Admin\AppData\Local\Temp\f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe"
            4⤵
            • Executes dropped EXE
            PID:700
        • 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:4444
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1632
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2080

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        571KB

        MD5

        77c7e6ae645974e97e4247c5dd1fd9e7

        SHA1

        f4eca0277916905ffe255553b14b8342c4637ba3

        SHA256

        0016d2b8e6e145ae0eeabe5cbc286e5f04671c6e131f385a01c297e9a79b8d6e

        SHA512

        cf37694b9328115cc552c44f4df98e98539c42303ea03c092b1619e7b936b2bed6776dfaea937db50ce9dd1342f463a7d90c08d017215eb9dec4eb33c2883b2f

      • C:\Users\Admin\AppData\Local\Temp\$$a7937.bat

        Filesize

        722B

        MD5

        c105627458f467cbfd2c09b19e600f9c

        SHA1

        9f6c32803885c77e7d8c707ad6bc4f5aeddae26e

        SHA256

        4c4cf56d159bb0c2c32a2e36a90cef39f6b43b9db99c2624d1f63b6fd53d1717

        SHA512

        f0ca80fa03969d126882e7bea32edc5ffe2e154703d989151b060539a7fdf6210a2873dadf2ed245dca4192bea4422debac1c0c9a76b7ee15d744bb1abbf883f

      • C:\Users\Admin\AppData\Local\Temp\f937ab7db604e62a78e5f2d7c1ecc536df075dc3e4876dc369185149421bcb1a.exe.exe

        Filesize

        224KB

        MD5

        d4b257c01bbaa68d15d8368475a4e227

        SHA1

        fafae083a882e163cfa8c77258baaab891c17df2

        SHA256

        dd6dd981c7f1a6673dc8cc3a0fe1fc8a54e059a9fdb0545b0dc9258299c0c546

        SHA512

        167494ecb32196e8e199d7d14a1c0498eee45ab8e8862e5441539fa569313bb602b9e979935c7cc5ba39300e54e8bdbdf2f502e4ea24b5e8339fd2c3685ca502

      • C:\Windows\Logo1_.exe

        Filesize

        27KB

        MD5

        3848bdda6fa12d57631d2d9cfc0372cd

        SHA1

        7ad82878104b87dbb4af2236b49c27026fedcfe1

        SHA256

        b44c38445807ad74329416692d41046f2482b4c8ecc2e9c6d742fd8fa86b76bc

        SHA512

        7bdd4d23f636085a361b407fdeef87cbc679326468b69b7688b61af78bd726178a4ea25c4d45bfb329b1181eb0fc4b8ca625324aad29ef15402b782f3471fb74

      • F:\$RECYCLE.BIN\S-1-5-21-513485977-2495024337-1260977654-1000\_desktop.ini

        Filesize

        9B

        MD5

        95b3e5fe04e8423c49a7f69a5d13771f

        SHA1

        615b63fb8bf07dbb0565ffd492067309645064c9

        SHA256

        1663db9b496c87701f6c8f6721e92994ffdd747f949ab1070fd844c4d63fb916

        SHA512

        d9a0d342e84c32d4c0aee97be7b9a102963d1aeab7edd87b080548f7dd144d851c558e6706bec441534d8e188938655c2b551e358d342309677511404a34ce81

      • memory/2376-12-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/2376-0-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-33-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-26-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-19-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-37-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-42-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-9-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-360-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-1175-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB

      • memory/4444-4742-0x0000000000400000-0x0000000000435000-memory.dmp

        Filesize

        212KB