Analysis

  • max time kernel
    114s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 19:12

General

  • Target

    44da04ee0cb491857facd4830ed8207f705b3d4bf7fbddef4d6d0b7893d2ef21N.exe

  • Size

    693KB

  • MD5

    f7a5362e1728f76e1651d553a1809170

  • SHA1

    1bf144bbb33273ac577fe857cdf28253c529117d

  • SHA256

    44da04ee0cb491857facd4830ed8207f705b3d4bf7fbddef4d6d0b7893d2ef21

  • SHA512

    df02dfa3dac62f2d8d46e86a45251c84e0faf42283ddfb606e08222f467da349b013b49dcd69e803c4997cdff596aab3127c083f0f23120992ca178231b16b7a

  • SSDEEP

    12288:YKuwhR6O38ZGljXN1omcA5rs3MBis4h8EHb6N/25dMB2tuMkmfa+nmf0Rj:YKr3dJ1Dx5rZBiz8E2NOrMB0fmWj

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44da04ee0cb491857facd4830ed8207f705b3d4bf7fbddef4d6d0b7893d2ef21N.exe
    "C:\Users\Admin\AppData\Local\Temp\44da04ee0cb491857facd4830ed8207f705b3d4bf7fbddef4d6d0b7893d2ef21N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Program Files (x86)\daipanmi\ciyiqing.exe
      "C:\Program Files (x86)\daipanmi\ciyiqing.exe" /s1w
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\101950\1.htm

          Filesize

          104B

          MD5

          cb12101aa8cc119798f42d300bc73b72

          SHA1

          a45452fcfb99a5d4f4d79d2a95de0838cdf722b8

          SHA256

          d44a46465f04469a30b60012a2cdd1df854cc6b1ca2a7edee87e97114a510f5f

          SHA512

          ed0115b53d38db3a009c169178c11630f543ba2fa1d55515c60d70738150edac34672e2235f730024df74dffe64b0b4424397c1cd4e7591b6b03026cd08ddf2b

        • C:\Users\Admin\AppData\Local\Temp\nsxC024.tmp\NSISList.dll

          Filesize

          96KB

          MD5

          156add805fa8888c0f744566a73b60fe

          SHA1

          20d3a02a1b396b66d81a23e010e9cd3dc579ac92

          SHA256

          4ce7efe0a9983fc43081d9f9769d5f47f527196d87fe708552d7f2cb1d2ebdb3

          SHA512

          1f64129e61d9611021a8fcbfb61ba39fbc97a06bcf27334b92ca9a3748dbb96178453f51834728be6fbcf4d4c90e802885a2ab30df4bfe15c67f41ba465f8e93

        • C:\Users\Admin\AppData\Local\Temp\nsxC024.tmp\System.dll

          Filesize

          10KB

          MD5

          32465a07028b927b22c38e642c2cb836

          SHA1

          309cac412b2ecf6a36f6e989c828afcdd8c7a6e4

          SHA256

          eda545d4dcb37098a90fce9692d5094bb56897f04eff6d40e3dedd122a4d1292

          SHA512

          9d886a722bbbb5d8d77e97d256057fe685f1932042257a8382e13548fe835d01c64de65e2b5ad2c2ff99692b14c924e6ddb84797f6224f1772e8699b421e6aff

        • C:\Users\Admin\AppData\Local\Temp\nsxC024.tmp\inetc.dll

          Filesize

          20KB

          MD5

          50fdadda3e993688401f6f1108fabdb4

          SHA1

          04a9ae55d0fb726be49809582cea41d75bf22a9a

          SHA256

          6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

          SHA512

          e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

        • C:\Users\Admin\AppData\Local\Temp\nsxC024.tmp\nsRandom.dll

          Filesize

          21KB

          MD5

          ab467b8dfaa660a0f0e5b26e28af5735

          SHA1

          596abd2c31eaff3479edf2069db1c155b59ce74d

          SHA256

          db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

          SHA512

          7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

        • memory/4352-2116-0x0000000000400000-0x0000000000590000-memory.dmp

          Filesize

          1.6MB

        • memory/4352-2114-0x0000000000400000-0x0000000000590000-memory.dmp

          Filesize

          1.6MB

        • memory/4948-2034-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2071-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2046-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2045-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2044-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2043-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2041-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2048-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2080-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2079-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2076-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2047-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2061-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2059-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2055-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2053-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2093-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2042-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2018-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-2019-0x0000000000580000-0x0000000000592000-memory.dmp

          Filesize

          72KB

        • memory/4948-1974-0x0000000003B60000-0x0000000003B7D000-memory.dmp

          Filesize

          116KB