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
    139s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-07-2021 12:39

General

  • Target

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.sample.exe

  • Size

    1.3MB

  • MD5

    9f05994819a3d8c1a3769352c7c39d1d

  • SHA1

    eb2457196e04dfdd54f70bd32ed02ae854d45bc0

  • SHA256

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da

  • SHA512

    32cac848f47a0096773435c6365fcbd6bdb02115aae2677aec5a86031b6def938033210fdcf0e12f735aa5ceb8cd4be5f7edb5cdc437bbca61f0d79196ec9be8

Malware Config

Extracted

Path

C:\PROGRAM FILES\WINDOWS SIDEBAR\GADGETS\SLIDESHOW.GADGET\IMAGES\ON_DESKTOP\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.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.sample.exe
    "C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.sample.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:1976
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1352 -s 2880
    1⤵
    • Program crash
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/620-60-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

    Filesize

    8KB

  • memory/620-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB