Analysis

  • max time kernel
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 14:20

General

  • Target
    9c9a264f5f1a78753f7f80ee6143d6c8967fa1375821bc09187767756d366800.exe
  • Size 1.7MB
  • Sample230705-rnwh4sed5w
  • SHA256 9c9a264f5f1a78753f7f80ee6143d6c8967fa1375821bc09187767756d366800
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenda

Attributes
  • company_id

    feGDg5BHWw

  • note

    -- Qilin Your network/system was encrypted. Encrypted files have new extension. -- Compromising and sensitive data We have downloaded compromising and sensitive data from you system/network If you refuse to communicate with us and we do not come to an agreement, your data will be published. Data includes: - Employees personal data, CVs, DL , SSN. - Complete network map including credentials for local and remote services. - Financial information including clients data, bills, budgets, annual reports, bank statements. - Complete datagrams/schemas/drawings for manufacturing in solidworks format - And more... -- Warning 1) If you modify files - our decrypt software won't able to recover data 2) If you use third party software - you can damage/modify files (see item 1) 3) You need cipher key / our decrypt software to restore you files. 4) The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -- Recovery 1) Download tor browser: https://www.torproject.org/download/ 2) Go to domain 3) Enter credentials-- Credentials Extension: feGDg5BHWw Domain: e3v6tjarcltwc4hdkn6fxnpkzq42ul7swf5cfqw6jzvic4577vxsxhid.onion login: _RgxgvCfv_3rQI5oinfr9gj5JS6_AGP7 password:

rsa_privkey.plain

Signatures

  • Agenda Ransomware

    A ransomware with multiple variants written in Golang and Rust first seen in August 2022.

  • Drops file in Drivers directory 21 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 64 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies data under HKEY_USERS 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c9a264f5f1a78753f7f80ee6143d6c8967fa1375821bc09187767756d366800.exe
    "C:\Users\Admin\AppData\Local\Temp\9c9a264f5f1a78753f7f80ee6143d6c8967fa1375821bc09187767756d366800.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops startup file
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1996
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Loads dropped DLL
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1204

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ApiClient.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\ApiClient.dll
        • Size 230KB
        • SHA256 f0d4d5993e3e236c288ab8534583da7a624b340c0f6160f61ff4e2df4a82d390
        • MD5 SHA1 SHA512 SSDEEP

        AppVCatalog.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVCatalog.dll
        • Size 672KB
        • SHA256 df7abcdf3da7c974c481c90535cb143d5ba005c2972639c1b0613634dc6f055f
        • MD5 SHA1 SHA512 SSDEEP

        AppVFileSystemMetadata.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll
        • Size 304KB
        • SHA256 3ce0887e31ede3772dd5ff44a11fd8bf1611442e88b28605ffe881affc533aa0
        • MD5 SHA1 SHA512 SSDEEP

        AppVIntegration.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIntegration.dll
        • Size 2.2MB
        • SHA256 863b48351587489dc53337324d2d0602f6df57cc51b39d5713cf4bbec9046621
        • MD5 SHA1 SHA512 SSDEEP

        AppVIsvApi.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll
        • Size 486KB
        • SHA256 18c514f88f60310f3cf25cda77924a01e0a36d14a0e9762756648c2c648ce705
        • MD5 SHA1 SHA512 SSDEEP

        AppVIsvStreamingManager.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll
        • Size 210KB
        • SHA256 6e1fec70fc0013137957242159edf04eafdb3c14d8a6f1ee2204d451114a19be
        • MD5 SHA1 SHA512 SSDEEP

        AppVIsvSubsystemController.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvSubsystemController.dll
        • Size 1.5MB
        • SHA256 62023fd2449f16654306b645c1617aeb84c913778ce128fa1c90840dd230361e
        • MD5 SHA1 SHA512 SSDEEP

        AppVIsvVirtualization.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvVirtualization.dll
        • Size 600KB
        • SHA256 ef9d1539107155cf0fabe420790cb58d36fe562a5e2255ce472266669fc4bf98
        • MD5 SHA1 SHA512 SSDEEP

        AppVManifest.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll
        • Size 1.2MB
        • SHA256 d872c5c1b312f4b257cad8c1f77c7e3b1ed090611e7186438f0b0ca6db6638d0
        • MD5 SHA1 SHA512 SSDEEP

        AppVOrchestration.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVOrchestration.dll
        • Size 952KB
        • SHA256 1ed32eb18896bd5fb1f6281eb875ce21dfa9ea20ffaa7e6c3b94eeb23f13aedd
        • MD5 SHA1 SHA512 SSDEEP

        AppVPolicy.dll

        • Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll
        • Size 1.2MB
        • SHA256 20f7fa3c8ab200d87ffa9f58c2700ab393893291338090ec900b6111ca561040
        • MD5 SHA1 SHA512 SSDEEP

        memory/1996-145-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-144-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-147-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-148-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-149-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-150-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-151-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-152-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-153-0x0000000000050000-0x000000000020E000-memory.dmp

        memory/1996-154-0x0000000000050000-0x000000000020E000-memory.dmp