Analysis

  • max time kernel
    94s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 08:03

General

  • Target

    eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.exe

  • Size

    785KB

  • MD5

    51e9309895d57fa2a12abc9d6f2f451c

  • SHA1

    c86f200873a33bd8fdce84c4ea4f3d6daeef3a81

  • SHA256

    eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a

  • SHA512

    4e697f82facbc6fc806be954c0064c700d4015899126cb9d40dc9d99fc6ebda2434c6f3120bd404b910d1558b88e0368dd61e97b8e5340da5f2c24a11f229f9d

  • SSDEEP

    12288:O/cJ+w6cr+/0t5d5i/U6rVSlIUUMeCWpP1KW:O/2+w15d5ic6rVSlIUUMeXP1KW

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.

  • 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 use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.exe
    "C:\Users\Admin\AppData\Local\Temp\eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.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:864
    • C:\Users\Admin\AppData\Local\Temp\3582-490\eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.exe"
      2⤵
      • Executes dropped EXE
      PID:432

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\eec94858efa98036b2dadc1f79c7d288d3ffb396f19d2182a4b50798beccff8a.exe

    Filesize

    745KB

    MD5

    65ae77102ce5a9ce63bce2e5b26f70c5

    SHA1

    43357fcdbea9004b13eea19e901ed4482c0a2456

    SHA256

    5b0262c66dad725ffa0b989c3d4dcb45f2afc65c3a5d4ff17507401374c8995b

    SHA512

    433414e9d73ec3f1eafb7dd2bdcc0416c95f29bcff0bc05d988712c408829c736c98836b86f8b88a1a360323c14b3d609141919b237d2f4051770aaae3468fc9

  • memory/864-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/864-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/864-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB