Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 18:21

General

  • Target

    124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe

  • Size

    59KB

  • MD5

    01cef4d4f9306177d42f221854ee552b

  • SHA1

    e06c0d3ae9eb341182e937f44906c240cff4c057

  • SHA256

    124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a

  • SHA512

    5ebba89c40862be7405ec41979d4fa6916a2742ba8c2ca5c81c5b9002e9497e54b0281fcad1fac6676e6c3b491e9a777536c6d1ef19a52986e15286a24cff95e

  • SSDEEP

    768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yltqZrY23W58:0x7Fu4/ihrhDTV1ylEZMZ58

Malware Config

Extracted

Path

C:\Users\Admin\README.b565854b.TXT

Family

darkside

Ransom Note
----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs

http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT

Signatures

  • DarkSide

    Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.

  • Renames multiple (141) files with added filename extension

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe
    "C:\Users\Admin\AppData\Local\Temp\124e83f0812629fbc7ee0330002d7e5026b0f79e29a7d42facd62dd67b83549a.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    7cba14ad5aef23dd464755e7dea54e28

    SHA1

    f863b78a21bfd0c7666d44bf9bce563e0b77a68b

    SHA256

    034971c13fa10fafa720229771e165741304e8eed0198c2e145cba220a261fae

    SHA512

    ea4993c7f537e84c29a5be8102d6e047d36e678fea21ffed949f4c0e2b0cfbea1fd332ea35ecc7665ab64b6ff31b4d2f90178d1c100e3938370ca66b543aafec

  • C:\Users\Admin\AppData\Local\Temp\Tar7DDE.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\README.b565854b.TXT

    Filesize

    1KB

    MD5

    65494ea6831e577d82fac2b91b9c3d43

    SHA1

    5c23717d22ee9b94306f2d5a2a53c60aca03eb8c

    SHA256

    5e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3

    SHA512

    28ba13f7793ac8271af03b26eaeba6cbe707bf1f07fb1792818a6ab270d1c20d0091ef4a10c092f60c373aefe09698d2b470ec6a7f8cfa47103fd8bbb8d7a7bb