Analysis

  • max time kernel
    94s
  • 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
    17-12-2024 05:32

General

  • Target

    28e737a5935b76935108e34cee1962ec166686ce5069f468eaaa9300e80f8f68.exe

  • Size

    185KB

  • MD5

    7764f6311b78fd0c41511547e97ca116

  • SHA1

    40a96afd8693b02c6dbaa91cbad21571c7e4a1fc

  • SHA256

    28e737a5935b76935108e34cee1962ec166686ce5069f468eaaa9300e80f8f68

  • SHA512

    6fe3a25bd9e2ffc18f4d9d6ba4dce652bffe05de5df922cdfaa6c8a6961f2de26a51f77821dd23779cc88b85ddcbc314e6624cc0672a395d9892812a967287ca

  • SSDEEP

    3072:sr85CkHsJra+MH2ajTzhZvpggSEtE23K8Th:k9vrmnv+KjF

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\28e737a5935b76935108e34cee1962ec166686ce5069f468eaaa9300e80f8f68.exe
    "C:\Users\Admin\AppData\Local\Temp\28e737a5935b76935108e34cee1962ec166686ce5069f468eaaa9300e80f8f68.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:4384

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\28e737a5935b76935108e34cee1962ec166686ce5069f468eaaa9300e80f8f68.exe

    Filesize

    144KB

    MD5

    ed1452393b187d38e4bc366607dc9f84

    SHA1

    36604547710b00c7f73f3378b472e27a6619c89c

    SHA256

    f63d76e6e2e912b3697ac4bb71dd41f77b02ac2c1de2e85ba79915a15cb1db62

    SHA512

    ea7a0a3a4c9c3968afe611ea9ccf0f4f1f34a2646ce72a327757271e5a9a5503f41dd58ec16eda1935621fd980e89ff10c7caa08d5da92aa622e006f916a8e7c

  • memory/4384-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4384-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4384-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB