Overview

overview

10

Static

static

10bce0ff65...da.exe

windows7_x64

10

10bce0ff65...da.exe

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-03-2021 18:23

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General

  • Target

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe

  • Size

    1.3MB

  • MD5

    9f05994819a3d8c1a3769352c7c39d1d

  • SHA1

    eb2457196e04dfdd54f70bd32ed02ae854d45bc0

  • SHA256

    10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da

  • SHA512

    32cac848f47a0096773435c6365fcbd6bdb02115aae2677aec5a86031b6def938033210fdcf0e12f735aa5ceb8cd4be5f7edb5cdc437bbca61f0d79196ec9be8

Score
10/10
dearcrypersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\WEBRESOURCES\RESOURCE0\STATIC\JS\PLUGINS\DESKTOP-CONNECTOR-FILES\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.

    ransomwaredearcry
  • Modifies Installed Components in the registry 2 TTPs
    persistence
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 58 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 24 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies registry class 44 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 52 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe
    "C:\Users\Admin\AppData\Local\Temp\10bce0ff6597f347c3cca8363b7c81a8bff52d2ff81245cd1e66a6e11aeb25da.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:492
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3128 -s 5524
    1⤵
    • Program crash
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3680
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1372
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1372 -s 7084
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3500
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4052
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1428
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4028
  • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
    "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:592
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3500-15-0x000002324C930000-0x000002324C931000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3680-2-0x00000240B12A0000-0x00000240B12A1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3680-3-0x00000240B12A0000-0x00000240B12A1000-memory.dmp

    Filesize

    4KB

    Download