Overview

overview

10

Static

static

3

290c7dfb01...18.exe

windows7-x64

10

290c7dfb01...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 02:16

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General

  • Target

    290c7dfb01e50cea9e19da81a781af2c_JaffaCakes118.exe

  • Size

    190KB

  • MD5

    290c7dfb01e50cea9e19da81a781af2c

  • SHA1

    8a52c7645ec8fd6c217dfe5491461372acc4e849

  • SHA256

    53b1c1b2f41a7fc300e97d036e57539453ff82001dd3f6abf07f4896b1f9ca22

  • SHA512

    be2f45b5cc110bc9c4e61723eb111e53d70f3e32757915a9a945589a5296e3a667afdf5978f7002869005f961d705058ffafd2076d44471b7826237c76e11d4d

  • SSDEEP

    3072:iZ0eFVz8q3Ab6BNx6GmZd9WAT4uY59oVU9FLBD9VK+gvPXCX8l9:i+eFVz8qTz6GmZjBUuC9HJDTKGY

Score
10/10
conticredential_accessdiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\readme.txt

Family

conti

Ransom Note
All of your files are currently encrypted by CONTI strain. As you know (if you don't - just "google it"), all of the data that has been encrypted by our software cannot be recovered by any means without contacting our team directly. If you try to use any additional recovery software - the files might be damaged, so if you are willing to try - try it on the data of the lowest value. To make sure that we REALLY CAN get your data back - we offer you to decrypt 2 random files completely free of charge. You can contact our team directly for further instructions through our website : TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.best YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded a pack of your internal data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us as soon as possible. ---BEGIN ID--- EdKBszpVz7i9aIrMedNHe3uExMpz8Eot9fbCsY15OEUhJqECuuiljKTgA3E6nPSF ---END ID---
URLs

http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

https://contirecovery.best

Signatures

  • Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

    ransomwareconti
  • Renames multiple (7367) 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
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 31 IoCs
  • Drops file in Program Files directory 64 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 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.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\290c7dfb01e50cea9e19da81a781af2c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\290c7dfb01e50cea9e19da81a781af2c_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5C34AFC3-3DC2-47A5-B6BD-87F57D084FBB}'" delete
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{5C34AFC3-3DC2-47A5-B6BD-87F57D084FBB}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1900
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\readme.txt
    Filesize

    1KB

    MD5

    a48d7f2cbc55c406561016d717163111

    SHA1

    6cbc2ffadf3975cf9c8d24576fa4db9d7c3e9443

    SHA256

    f6c83d830b9375ec7bb8f3485d5cae945c6bf79d95a3909fb444a8078d081bdd

    SHA512

    88023e98ebff62ba2e9de1b61a4f20c93c54037ce06977327ebc3474546473ce23ed6211b7a8adebe2f3153be92509c95df3766ff018aa0f5311f6897388530b

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