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Analysis

  • max time kernel
    119s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 14:02

General

  • Target

    84ecf03159e665094b40610db1a74a10N.exe

  • Size

    25KB

  • MD5

    84ecf03159e665094b40610db1a74a10

  • SHA1

    2902da62e29029667c16c274340752345900033e

  • SHA256

    5f9026c275801c1a19633e009a8940cc6ff667a13ccb2725c357266c90b28437

  • SHA512

    9de73755ebcdc2d9fde2b1bf48507420debe689fe6166658a908c6e3f3bf806d6d4959b53022b6d6f8a442e4a10355efbc2082fb95fc687996143a14f4f5a8fe

  • SSDEEP

    768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9mHJGvBJJGvBM:CTW7JJ7TEHJGvBJJGvBM

Malware Config

Signatures

  • Renames multiple (4677) files with added filename extension

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

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\84ecf03159e665094b40610db1a74a10N.exe
    "C:\Users\Admin\AppData\Local\Temp\84ecf03159e665094b40610db1a74a10N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

    Filesize

    25KB

    MD5

    00153a255ae8ede904633102d0415bfb

    SHA1

    5d4dc8b4aeb96d6ec15a0e4a5d8009ae4f797266

    SHA256

    3df9992bf470147d19b8c1c4f8ef7f427c01b08e045533f8fcf195daff7e8641

    SHA512

    182eab1538a7fd4f78a7332473ec16d7e203aeb319d7adabbbd75a35ca6abcb2a48a2d79c6edc8581e3fd396de4e3a3f4ae1821671104bf53bfd8b6c573f36ce

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

    Filesize

    124KB

    MD5

    1a7cdf1cafb88e122c9dd9fd38042d71

    SHA1

    331c5c4e30965f31ede13ec41e4a98971dac69ef

    SHA256

    7b35fb9b77dcc1734ebef44983d9e5ad021f3ca3f592a20948fbe89b6b25f261

    SHA512

    f868c66e9ee1963aea7da5ec04ee9cde0b121730363a146bb3d6a5a8c215d11911cef3ac894635bc952525d41cc5fadf6c188ff41c45039a3a003b2735adff71

  • memory/3416-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3416-1003-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB