Analysis

  • max time kernel
    164s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    11/02/2022, 07:00

General

  • Target
    43e67197f48076d3c2f72de7d44d474dda0e6260a913e41fd6d4e9d1509f31c7.exe
  • Size 50KB
  • Sample220211-hs2fgsdgdm
  • SHA256 43e67197f48076d3c2f72de7d44d474dda0e6260a913e41fd6d4e9d1509f31c7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\HOW_TO_BACK_FILES.txt

Ransom Note
  • YOUR FILES ARE ENCRYPTED !!! TO DECRYPT, FOLLOW THE INSTRUCTIONS: To recover data you need decrypt tool. To get the decrypt tool you should: 1.In the letter include your personal ID! Send me this ID in your first email to me! 2.We can give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files! 3.After we send you instruction how to pay for decrypt tool and after payment you will receive a decryption tool! 4.We can decrypt few files in quality the evidence that we have the decoder. DO NOT TRY TO DO SOMETHING WITH YOUR FILES BY YOURSELF YOU WILL BRAKE YOUR DATA !!! ONLY WE ARE CAN HELP YOU! CONTACT US: [email protected] [email protected] ATTENTION !!! THIS IS YOUR PERSONAL ID WICH YOU HAVE TO SEND IN FIRST LETTER: ��������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������������

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 3 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 23 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43e67197f48076d3c2f72de7d44d474dda0e6260a913e41fd6d4e9d1509f31c7.exe
    "C:\Users\Admin\AppData\Local\Temp\43e67197f48076d3c2f72de7d44d474dda0e6260a913e41fd6d4e9d1509f31c7.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    PID:768
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3164
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:528

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3164-130-0x0000017F1D930000-0x0000017F1D940000-memory.dmp

        memory/3164-131-0x0000017F1D990000-0x0000017F1D9A0000-memory.dmp

        memory/3164-132-0x0000017F20670000-0x0000017F20674000-memory.dmp