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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2024, 05:37

General

  • Target

    e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

  • Size

    299KB

  • MD5

    066b95391597221c54db58434089fee1

  • SHA1

    8879cbae7682e83bb5a8296e58de8a8f9c08e7ce

  • SHA256

    e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745

  • SHA512

    949e9df1b713b1ebd0bc83d4786e77036c93116a91d359aed6cbcf184c4f0a6396b98bb34beb0839e51345fec54c01b6de06d49358a85daffeb8e551ee73caf6

  • SSDEEP

    6144:k9jTYZOG20hp4DdYCjO0fxHLz6Vww/aSf0x+pFkwa:F2pprczLfK+8/

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
  • Drops file in Drivers directory 2 IoCs
  • 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 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
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
    "C:\Users\Admin\AppData\Local\Temp\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.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:2420
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      PID:2088

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\e0faff582c7899de21175b45d58ffffcd96cbf3c0130bace8bea1500d69fc745.exe

    Filesize

    259KB

    MD5

    ddc2f14602eb1689cf708eaec4dd1173

    SHA1

    88d37980d5dbf1ccdf52c8415a44e532d14fe1fd

    SHA256

    8fdda0b72661dd3edfeae022d341c3522cfbfae8f9404224d46400038e7cc29e

    SHA512

    a092ad39a87eb766594c1b0e262149cb0fed17c4eec5f08b19efca337bcb8d477a7313bf4546058cb33dec02d13e57442ecaf7630c65f9d94ef4efaecbfbf7b3

  • memory/2420-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2420-102-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB