Analysis

  • max time kernel
    148s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 19:24

General

  • Target

    a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe

  • Size

    442KB

  • MD5

    92bfbc386a349cdbc627148819e7cafa

  • SHA1

    d7c3bc93980cbd74db6d2623232b355b03c27412

  • SHA256

    a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1

  • SHA512

    74280cd8de7c3dd29525ef1591bb792a5c4a012becf54cf2dabdeb4e13bef36761b497165745a5fbdc71b2af2a710209e0967c264747701da98486dc2280ac0e

  • SSDEEP

    3072:sr85CR7slkDsP62TEcvElZbiP3rL2F+jPNTY1d7ZRaYsCgE4LkqObvT2SOKYbLS:k9hV5cvtPbLW+bNTCd1MYswqX/S

Malware Config

Signatures

  • Detect Neshta payload 7 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe
    "C:\Users\Admin\AppData\Local\Temp\a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3684
    • C:\Users\Admin\AppData\Local\Temp\3582-490\a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe"
      2⤵
      • Executes dropped EXE
      PID:2356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\a068c8ed6973f36c22704eb3be2f7477da7734e041aa02d9da057da6f20218a1.exe

    Filesize

    402KB

    MD5

    fb74efe9cf7e9e14e7b2a7846597b18e

    SHA1

    f06a3cfe51eadf9b18a6da11b95a65d79cc79c0c

    SHA256

    fe7e4ce51a5536d15f9f9819d9c88a42939b968d2a6946d25cc8395d55ec7feb

    SHA512

    97b4cdd63ead61de85f90b51358e60733c5e806fcce024f02a896483902cc6104f8bb85a2a0cbadc324612e66995787ddd167977f699fd1f640dd6cb83313356

  • memory/2356-12-0x00007FFA20943000-0x00007FFA20945000-memory.dmp

    Filesize

    8KB

  • memory/2356-13-0x0000027700230000-0x0000027700298000-memory.dmp

    Filesize

    416KB

  • memory/3684-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3684-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3684-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3684-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3684-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3684-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB