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Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2024, 17:24

General

  • Target

    35cfb2552fca61ed5a65e0fdd1da16c20ded4ca0d5bd46dfca7f223f7fd025f0.exe

  • Size

    6.1MB

  • MD5

    e3c4a6691a6dc54d0fd92db09594a76b

  • SHA1

    f837ee0d15c403062863be4d48561f4de3b4b720

  • SHA256

    35cfb2552fca61ed5a65e0fdd1da16c20ded4ca0d5bd46dfca7f223f7fd025f0

  • SHA512

    a9fc1068328c95b3854bb025e7a16abf6452cafe2433ada41036724dd935a21dcb5656e1a8cab3116c5536188800e61701f77035854dd71ba61e400eda61abc6

  • SSDEEP

    98304:giKscnNZkbxF2JPKavhVt4GviWHAT4iKscnNZkbxF2qglbTf8pS:j6LOIK+1iWHI76LOaZL8pS

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\35cfb2552fca61ed5a65e0fdd1da16c20ded4ca0d5bd46dfca7f223f7fd025f0.exe
    "C:\Users\Admin\AppData\Local\Temp\35cfb2552fca61ed5a65e0fdd1da16c20ded4ca0d5bd46dfca7f223f7fd025f0.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:2040

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\35cfb2552fca61ed5a65e0fdd1da16c20ded4ca0d5bd46dfca7f223f7fd025f0.exe

    Filesize

    6.0MB

    MD5

    11eb1a2190b27f140d8fea24b1a32405

    SHA1

    56a468b780622fe1eaab7d5f2ee110771525c4bc

    SHA256

    57dbef494ba048655360bbe9aa2c213e529d6e153c4eb8661838af52b692e529

    SHA512

    6159116d828d3c812fe5b51a927660fc783f049fa7b73b074c366681ea425a1f47c8e18e9db9235911eba10c6758c0975aeccb4c5cb2d7c1e4f3ae95aeaefa0b

  • memory/2040-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2040-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2040-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB