Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 12:13

General

  • Target

    b2d3d168023b355d004fc7d12672f21493dc859140bb1016678dcf6ccc84175e.exe

  • Size

    279KB

  • MD5

    e04ea2d023a870e41d85f8fd05401141

  • SHA1

    3f2e7148b584a2857f87faee6460e9fc858f1dd2

  • SHA256

    b2d3d168023b355d004fc7d12672f21493dc859140bb1016678dcf6ccc84175e

  • SHA512

    e41774c88fafe37f16c9f3fef45d011406a26370668a4cdc43776c892cb677c3f53f1ba613873e4c8daba54a1b40ba7385c1c08b4bdbf109432a367bb3927b59

  • SSDEEP

    6144:k9A3SblSBfb4Rbzwv2LcfOtAOfsyf8C7Zwq4LloDdN:CblSp4RsLWtFs3Kw7LEN

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\b2d3d168023b355d004fc7d12672f21493dc859140bb1016678dcf6ccc84175e.exe
    "C:\Users\Admin\AppData\Local\Temp\b2d3d168023b355d004fc7d12672f21493dc859140bb1016678dcf6ccc84175e.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:3140

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\b2d3d168023b355d004fc7d12672f21493dc859140bb1016678dcf6ccc84175e.exe

    Filesize

    238KB

    MD5

    85bbe81d89de9687ccc151a56558ea81

    SHA1

    f29011a8b0dbf3650044b3af224ea04b7c3defc7

    SHA256

    728f41160ff05aff9066c92e2238f142c48dc277cd79859b33419a02ca19badf

    SHA512

    cfa336d301a2851f89797038d6bb503541262850bf0a5a6140f76f8383375048b76b2255ed7278768a4f9dcfecb61d9e1ece815699c066963f3b38b877aea953

  • memory/3140-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3140-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3140-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB