Analysis

  • max time kernel
    93s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 14:09

General

  • Target

    8e41c084210dac0abbe99a3e2e5aabfd71b6d4a9c0668a7157951a0007d4806aN.exe

  • Size

    317KB

  • MD5

    b46c00378a2e405fa31c008204fca1b1

  • SHA1

    9187144ebbc7489b596318145398bd837bee2569

  • SHA256

    dc3f29419dc8b48dbbde234cab5922895db391463b740ea5e84be085a10a9d4e

  • SHA512

    b6e7ea24c7a4854b2434964fbcf717c50a9add00df07f68ef2639520ace1f6351098f0287ba7bf2124a47f3e503fe5127a425781eb0124a139eaff32bcabcb66

  • SSDEEP

    6144:k9dJQdmPAWRyPtYtu0w7ETB1YOvXA/B0olANroV:cQknRyVYtW7ETTtvXeOolANO

Malware Config

Signatures

  • Detect Neshta payload 5 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\8e41c084210dac0abbe99a3e2e5aabfd71b6d4a9c0668a7157951a0007d4806aN.exe
    "C:\Users\Admin\AppData\Local\Temp\8e41c084210dac0abbe99a3e2e5aabfd71b6d4a9c0668a7157951a0007d4806aN.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:1868

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\8e41c084210dac0abbe99a3e2e5aabfd71b6d4a9c0668a7157951a0007d4806aN.exe

    Filesize

    276KB

    MD5

    7f1ad14045a47ee5fbf20ea3a4760302

    SHA1

    d13b1461cf91a78495aebf5b4f6be5d87013046c

    SHA256

    fb5cd172aecde44e235eaa4c337e451b78ce884fa5326641061f6c121e5fe982

    SHA512

    843515332eb1ae0078bc8c36c70e0624a078e948f60d90bba46b27b799eadb1c4621d7074827a2b49b91ef07de4077ebc765214aa54b8f9e2fdc5425df884e83

  • memory/1868-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1868-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1868-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1868-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB