Analysis

  • max time kernel
    95s
  • 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
    17-12-2024 01:29

General

  • Target

    8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.exe

  • Size

    2.0MB

  • MD5

    aa6c3a0e709eb4b7b4e072048307bd20

  • SHA1

    c8de9f1bcf5ff9571d2c77075ecb5dc8e08bb36a

  • SHA256

    8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378b

  • SHA512

    4095a0b9a894359f09e64f24123c75fc29c236cb9966fc5ef998ddee5f5b196c68d2e9410586e76dd6b25bd941950795710ab567e8c1123753718465fc2f9d7a

  • SSDEEP

    24576:X/Bq8qiAVKxZn27hSDiPzN5O7kXvk/0eQ3:X/BFmTPJ5O7Ak/0eQ3

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 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\8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.exe
    "C:\Users\Admin\AppData\Local\Temp\8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.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:2468
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3732

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\8c526c95605696609a0dc22be1fbc39e88ff6def3ba05763fc923279b5d0378bN.exe

    Filesize

    2.0MB

    MD5

    3ee66d29ecf32cb5f83cd4f0f51a813a

    SHA1

    7a3ee917bc362074275814ebb8c8963821605a00

    SHA256

    06566111ff567e2a88093f6c14a370bbdca5a940fedbe9b92fe71e423753c77e

    SHA512

    c0a6bc270392d8a235c29ca73afdb613fb231d1dcbf663e09c4f2406031ba1ed22d2f2065f923772abe01e281b746e426e280684b372a9361918f88221e9d290

  • memory/2468-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2468-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2468-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB