Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 20:41

General

  • Target

    e5c3ba41d98265824381dfa1559041c7f20d526da03ece8338d70bcc6eae2c76.exe

  • Size

    814KB

  • MD5

    9930f4ead988123a20f286fc46c2bab9

  • SHA1

    4d18b512eeae05de2b756aa6ad0d769fb59b9832

  • SHA256

    e5c3ba41d98265824381dfa1559041c7f20d526da03ece8338d70bcc6eae2c76

  • SHA512

    01b2933721e6ea3c94b81fdaeb78e832a961026a5fb0939bb94f03127ac2e991e35d348a63a878f56a2579711aeb771dcbb76431ac970dc8dbd49af5353e8695

  • SSDEEP

    24576:LA+oYQ+4YLWzswpKrqXWOKKTw7lk2oilB8E3YViCjt93dz5eGu:0+oYLWzswpKrqXWOKKTw7lk2oilB8E35

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.

  • 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\e5c3ba41d98265824381dfa1559041c7f20d526da03ece8338d70bcc6eae2c76.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c3ba41d98265824381dfa1559041c7f20d526da03ece8338d70bcc6eae2c76.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:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\e5c3ba41d98265824381dfa1559041c7f20d526da03ece8338d70bcc6eae2c76.exe

    Filesize

    773KB

    MD5

    40cec4e32aadd40b41dfa4e04494db49

    SHA1

    029e1159c7ead39c8843d1c0f766ec96bcfd337c

    SHA256

    68f240d13d223857b942da3e989d88041e1765fc0c1bd89aead3b2d2213d3c60

    SHA512

    7872ad7ef048ab0e0b581cfe04e5d7eb4ee93a0dcd0ada5b6492303b6b5e1d49c69f7ecfdd0d82524028deeaa855522adaaf31d63fa0920fe266971495647c27

  • memory/2232-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2232-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2232-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB