Resubmissions

28-02-2024 18:31

240228-w6jpgsah67 10

28-02-2024 18:30

240228-w5h2kaag7s 10

11-01-2024 08:38

240111-kj2e8sddf8 10

11-01-2024 08:35

240111-kg362sddb7 10

26-07-2021 12:39

210726-18w9pcbxzs 10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-02-2024 18:30

General

  • Target

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe

  • Size

    1.3MB

  • MD5

    9f05994819a3d8c1a3769352c7c39d1d

  • SHA1

    eb2457196e04dfdd54f70bd32ed02ae854d45bc0

  • SHA256

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da

  • SHA512

    32cac848f47a0096773435c6365fcbd6bdb02115aae2677aec5a86031b6def938033210fdcf0e12f735aa5ceb8cd4be5f7edb5cdc437bbca61f0d79196ec9be8

  • SSDEEP

    24576:LU5NX2yJOiUXmEICxu2WAP0NIzkQM+KpPRQ9StIUDpl1fpxkzVZgMCST:L7XP7P9o5QzUtl1fpxkzVZgMCA

Score
10/10

Malware Config

Extracted

Path

C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\readme.txt

Family

dearcry

Ransom Note
Your file has been encrypted! If you want to decrypt, please contact us. [email protected] or [email protected] And please send me the following hash! 2133c369fb115ea61eebd7b62768decf

Signatures

  • DearCry

    DearCry is a ransomware first seen after the 2021 Microsoft Exchange hacks.

  • Renames multiple (1341) files with added filename extension

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
    "C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1428

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    544KB

    MD5

    4f170e3fa138b516b7e0778b7d03bf87

    SHA1

    f3d508c7adf5d801a01af328fc7522934c7e5d34

    SHA256

    402f192b22b38490830300cc707b8afa145fa6b3ffd7f0775e020e69df02e00b

    SHA512

    f222cc4e79ea8c6f5f019fbdd611678647ff2e3d4027612a05d4837a13617fb85eb3c594132ede4c580ee1f4050b8fa1d852248fdc3d7cb6c1e1470a1b0593f5

  • C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\readme.txt

    Filesize

    223B

    MD5

    b393beeec90b2f392c7987a7f551daf0

    SHA1

    2f95f7a7f381818f6c1b490214754cc8b7e1e753

    SHA256

    975a34d6df880cd3b15597806a20b9f295d27d237b7d045a5d31c42e30a6e4c3

    SHA512

    58434ac475e48053cd8aca9c51e55e9d76fe05ea3e346869400021dff8bb832f38ebac4dc76f9325a6e2293f06494805b5618ee8073c5ea78b2355b6e9c4a9d1