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Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 01:05

General

  • Target

    3b78c8c5396cb6e70c9055462d0a0fb0N.exe

  • Size

    54KB

  • MD5

    3b78c8c5396cb6e70c9055462d0a0fb0

  • SHA1

    05bab07791e411ac69eb549f9a2cf2c4a03e577d

  • SHA256

    441c48505a51e6f182e43455488ab8f20ac7f5ea569e865e87dc3d3aa787ee0e

  • SHA512

    0ea55ac9707fd9e4f3fc541f50b8762e57181c9bec293eb274084a0619556840ded4427d967414c89c0b014b9e23a345d14359e680a1a237d49d2c9753f4e2c4

  • SSDEEP

    768:/7BlpQpARFbhq1KX101ja7c0QXzesa7c0QXze9:/7ZQpApq1U7XQ27XQa

Score
9/10

Malware Config

Signatures

  • Renames multiple (4645) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Program Files directory 64 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b78c8c5396cb6e70c9055462d0a0fb0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3b78c8c5396cb6e70c9055462d0a0fb0N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

    Filesize

    54KB

    MD5

    f8e48c21bfa9af861872224ccb8df76a

    SHA1

    6a257e3eb5cb16f7f29766dbf4f42a8373b60766

    SHA256

    607107007bacab4feef4eafb19ef6277a68712bbc93d1b1ef8b8b20454a8aa33

    SHA512

    ffd0cba9a0e9b450032adaafeb85522bd42ee0e1df6009a04f7421eece06d6a10ef343930d83d9856b4177f1e3c99b1e007b49acfa7fa03a381fbbab7c8ae977

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    153KB

    MD5

    a159ec3e0e9fa3f7020482f2c0236a34

    SHA1

    e7974a5274056206d5810c8e4a5c1911014fd7bf

    SHA256

    87e52b5ccb034c346cba1591cb768009d23225b10437183a2e8a260b2a20ea4e

    SHA512

    9405b74290d63eb0851f9cb7899037ed650d16acb29bb7b9e0e9ee6620fc008e7ff5c423940a1dcdbd8fcaa6fcf4bc43e7cae1d1dc7e351ed77bb1c7c705ea90

  • memory/640-0-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/640-1958-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB