Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 02:03

General

  • Target

    9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.exe

  • Size

    496KB

  • MD5

    c6ca23971ff4ff331d82ebf754bc51f0

  • SHA1

    efdb4c0b8b31798e04353758b1f8c917dca761f4

  • SHA256

    9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefe

  • SHA512

    e32d1fb4d76dc62300e1ed9c7697bd7a36137bc219daefef2eb87909e0130b8c15e8c695d68b5addac311dcd6e8d28bf1d0de7ee9992245de9e0bc4d5d1c2a5a

  • SSDEEP

    12288:Uptm8so2/Hk3ag2Bmh1RelqxbjZkQlf/U6MRMP6s3+J3QlnioH0adL2LRU4:Qt6yaPmh1RwqxbjZkQlf/U6MRMP6s3+9

Malware Config

Signatures

  • Detect Neshta payload 4 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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.exe
    "C:\Users\Admin\AppData\Local\Temp\9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.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:4176
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:968

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\9cc8c409ede9ee270c7872be8ab595e17744e96e0066e634e5be9691b00ffefeN.exe

    Filesize

    456KB

    MD5

    08d8d7d30961c43e7cb5a02906c953ee

    SHA1

    df993401437d8c9e8df7f9a1f27d406d1100180c

    SHA256

    a6b7ae1464f04ab0869ff14feb94222a0c9ba4349c22a194a9d4d4e7152e7190

    SHA512

    3014062f1458ce4dd0aeb49fd3b38b59c34e2ae5138d856c5433388b45535c5e2f3c05a714c76fa7c658b138b0b99faceed018353758ff81833f01ed57006715

  • memory/4176-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4176-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4176-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB