Resubmissions

04-12-2024 22:48

241204-2q8lka1mam 10

04-12-2024 22:47

241204-2qx5ts1lhk 10

04-12-2024 22:43

241204-2nbtta1kfr 10

04-12-2024 19:35

241204-yayvmstjbk 10

04-12-2024 19:22

241204-x3b1xaxjf1 10

General

  • Target

    wertg.exe

  • Size

    652KB

  • Sample

    241204-yayvmstjbk

  • MD5

    59db985c17a4ab06d3a0fbbb39ac045e

  • SHA1

    2622da604c4be6f2b8ad06cb2fa55d412ba53ece

  • SHA256

    9a065bd64cf7f9f4d1385bfd9df86325e03f8dd64d0a3af56cfd05a7b28c3247

  • SHA512

    8a0a2bb31c37ea27aeaa5f9b1e5f5ce3a42cecca8bdddb00b622bb722c4d7a2e36442b7c628d17629974676278aa0703e1088984599cf216eb2ff6e6a2f995a4

  • SSDEEP

    12288:n4/yrAlyQGlqrLFB8vT+RNinZ12sVNRgznu+Jbb0LrYsFPV0ZSYWaBfF+Nd5zKF:nMM4qskaNxm

Malware Config

Extracted

Path

C:\ProgramData\Adobe\Updater6\read_it.txt

Ransom Note
Don't worry, you can return all your files! All your files like documents, photos, databases and other important are encrypted What guarantees do we give to you? You can send an encrypted file and we decrypt it for free. You must follow these steps To decrypt your files : 1) Write on our e-mail :[email protected] ( In case of no answer in 24 hours check your spam folder or write us to this e-mail: [email protected]) 2) Obtain 500 USD worth of Bitcoin (You have to pay for decryption in Bitcoins. After payment we will send you the tool that will decrypt all your files.)

Targets

    • Target

      wertg.exe

    • Size

      652KB

    • MD5

      59db985c17a4ab06d3a0fbbb39ac045e

    • SHA1

      2622da604c4be6f2b8ad06cb2fa55d412ba53ece

    • SHA256

      9a065bd64cf7f9f4d1385bfd9df86325e03f8dd64d0a3af56cfd05a7b28c3247

    • SHA512

      8a0a2bb31c37ea27aeaa5f9b1e5f5ce3a42cecca8bdddb00b622bb722c4d7a2e36442b7c628d17629974676278aa0703e1088984599cf216eb2ff6e6a2f995a4

    • SSDEEP

      12288:n4/yrAlyQGlqrLFB8vT+RNinZ12sVNRgznu+Jbb0LrYsFPV0ZSYWaBfF+Nd5zKF:nMM4qskaNxm

    • Chaos

      Ransomware family first seen in June 2021.

    • Chaos Ransomware

    • Chaos family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks