Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 10:01

General

  • Target
    220720-n29q4sfad4.exe
  • Size 1.9MB
  • Sample240320-l2a7faeg3y
  • SHA256 fe997a590a68d98f95ac0b6c994ba69c3b2ece9841277b7fecd9dfaa6f589a87
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\Users\Admin\Desktop\HOW-TO-DECRYPT-gn9cj.txt

Ransom Note
  • [+] What happened? [+] Your files are encrypted, and currently unavailable. You can check it: all files on you computer has extension *.gn9cj By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant get back your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] Using a TOR browser! - Download and install TOR browser from this site: hxxps://torproject.org/ - Open our website: hxxp://khfsk3ffg3av3rha.onion - Follow the on-screen instructions Extension name: *.gn9cj ----------------------------------------------------------------------------------------- !!! DANGER !!! DONT try to change files by yourself, DONT use any third party software for restoring your data or antivirus solutions - its may entail damge of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) will make everything possible for restoring, but please do not interfere. !!! !!! !!! ��

Signatures

  • Hades Ransomware

    Ransomware family attributed to Evil Corp APT first seen in late 2020.

  • Hades payload 6 IoCs
  • CryptOne packer 2 IoCs

    Detects CryptOne packer defined in NCC blogpost.

  • Renames multiple (156) files with added filename extension

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

  • Executes dropped EXE 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\220720-n29q4sfad4.exe
    "C:\Users\Admin\AppData\Local\Temp\220720-n29q4sfad4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim
      C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim /go
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim" & del "C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim" & rd "C:\Users\Admin\AppData\Roaming\Wow64Shared\"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2432
        • C:\Windows\system32\waitfor.exe
          waitfor /t 10 pause /d y
          4⤵
            PID:624
          • C:\Windows\system32\attrib.exe
            attrib -h "C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim"
            4⤵
            • Views/modifies file attributes
            PID:4056
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c waitfor /t 10 pause /d y & attrib -h "C:\Users\Admin\AppData\Local\Temp\220720-n29q4sfad4.exe" & del "C:\Users\Admin\AppData\Local\Temp\220720-n29q4sfad4.exe" & rd "C:\Users\Admin\AppData\Local\Temp\"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1432
        • C:\Windows\system32\waitfor.exe
          waitfor /t 10 pause /d y
          3⤵
            PID:1792
          • C:\Windows\system32\attrib.exe
            attrib -h "C:\Users\Admin\AppData\Local\Temp\220720-n29q4sfad4.exe"
            3⤵
            • Views/modifies file attributes
            PID:932
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2228

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              Pim

              • Path C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim
              • Size 215KB
              • SHA256 38f37251bf0b9e5dbefc511d253b4d8ee9839b1fd60da2cbf6b382c93d213494
              • MD5 SHA1 SHA512 SSDEEP

              Pim

              • Path C:\Users\Admin\AppData\Roaming\Wow64Shared\Pim
              • Size 165KB
              • SHA256 d213cf6ec44d98145be7ce206392cf0743ba116cb853bd46e49f90b9671bf614
              • MD5 SHA1 SHA512 SSDEEP

              HOW-TO-DECRYPT-gn9cj.txt

              • Path C:\Users\Admin\Desktop\HOW-TO-DECRYPT-gn9cj.txt
              • Size 3KB
              • SHA256 014ea5effc97085b7832512b9ad2a5c4487265eb67e8d7b0920ef2bc8768400c
              • MD5 SHA1 SHA512

              memory/1152-1-0x0000000140000000-0x00000001401E2000-memory.dmp

              memory/1152-8-0x0000000140000000-0x00000001401E2000-memory.dmp

              memory/1152-11-0x00000000021F0000-0x00000000023B2000-memory.dmp

              memory/1152-0-0x00000000021F0000-0x00000000023B2000-memory.dmp

              memory/1152-341-0x0000000140000000-0x00000001401E2000-memory.dmp

              memory/4240-14-0x0000000002190000-0x0000000002352000-memory.dmp

              memory/4240-117-0x0000000140000000-0x00000001401E2000-memory.dmp

              memory/4240-339-0x0000000140000000-0x00000001401E2000-memory.dmp

              memory/4240-340-0x0000000002190000-0x0000000002352000-memory.dmp

              memory/4240-15-0x0000000140000000-0x00000001401E2000-memory.dmp