Analysis

  • max time kernel
    94s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 19:50

General

  • Target

    141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.exe

  • Size

    1.5MB

  • MD5

    84736641134c39c02b439a34a2660596

  • SHA1

    75654403b157d2de242a623f7d63e7acff2ff961

  • SHA256

    141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220

  • SHA512

    3223ca905ae12bd2be29bb341e7086d6967e025cf14e9622bd99edff5247db98321f3188891418064cf972f9d7beab41c555690c6a5df4fe58eb33793e8f1643

  • SSDEEP

    24576:bAeA1+ibmbYjLNVcP6f2B2MJkgbg6DwMU9JCMIl3R:cRUbYDg6q2QZbgWUHCFR

Malware Config

Signatures

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.exe
    "C:\Users\Admin\AppData\Local\Temp\141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.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
    PID:512
    • C:\Users\Admin\AppData\Local\Temp\3582-490\141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.exe"
      2⤵
      • Executes dropped EXE
      PID:752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\141e780d77fc5592c04a370ffc683456ee01b428f5e0b6a92a25eb35e637e220.exe

    Filesize

    1.4MB

    MD5

    b6d676cc2cead9b40fbc809cbb4cba5b

    SHA1

    965563049a80bd591c282d28f4ec1e0f640a1936

    SHA256

    7d9867b96d03c9ff6e5b80e75140a4588c27733928aebb9ccd5e9d8da21b7f73

    SHA512

    c7593b00f6a8cb0b0427f2d0142dca8f492e616be55746ac97dda439c7c986f3cdc727083fb2959d6c58f87a208cb8fd23d0bd0a47a42f2ca77659769d58145c

  • memory/512-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/512-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/512-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB