Analysis

  • max time kernel
    148s
  • 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
    30-12-2024 18:41

General

  • Target

    3ef3ecd53a98f581b36b7e1a5f5e7ed6b9ff79b22334478aa9744c2dd6fc424a.exe

  • Size

    328KB

  • MD5

    a8da7acbd738f8fad77484b0d952c2aa

  • SHA1

    f930c61b39959fe6e17f5dbb69902221e3db4517

  • SHA256

    3ef3ecd53a98f581b36b7e1a5f5e7ed6b9ff79b22334478aa9744c2dd6fc424a

  • SHA512

    4f949f899a46b87404b4a207ed7e0a997aa2d023c6854179aef44f6a7a977adca33d8dfa82d8be770215cab8dcc38f971a770eea2becc56bf3a7d4f938742335

  • SSDEEP

    6144:k9grtn45pxPpQhVLiStH5r8if8K7E83VDZqa1LS8HZzLSSWKS53NxbRPOGb3M2BE:N49Sztnjli85zLS5KK3HbRPOAk

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\3ef3ecd53a98f581b36b7e1a5f5e7ed6b9ff79b22334478aa9744c2dd6fc424a.exe
    "C:\Users\Admin\AppData\Local\Temp\3ef3ecd53a98f581b36b7e1a5f5e7ed6b9ff79b22334478aa9744c2dd6fc424a.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:4708

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\3ef3ecd53a98f581b36b7e1a5f5e7ed6b9ff79b22334478aa9744c2dd6fc424a.exe

    Filesize

    288KB

    MD5

    399c79b925fc6aa0ab3d98dbf2eed575

    SHA1

    9718212f0597a64454b01cff65a7f813d18e5089

    SHA256

    f3203b7bc54c73e724b37433ebe2c306dd08c1c4f501cacf89dbcad1b699b628

    SHA512

    b6360b55f95328bc5ee0c619c40de5cc5da9417cb538557cfd952c006f09d91e1751f05ea40debf2ecffa2218819cb42c118f9f4cb42218e5c3a37cc015dbce3

  • memory/4708-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4708-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4708-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB