Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 02:51

General

  • Target

    dbae9888aa3dfd015e4e1b91961333b2_JaffaCakes118.exe

  • Size

    414KB

  • MD5

    dbae9888aa3dfd015e4e1b91961333b2

  • SHA1

    4171e53023cc452393dd11f128fd971deae613a7

  • SHA256

    6d7b3d5696d4c8199a46bdc6f9f6d8310cb8052c5cca92dd91da819c53622654

  • SHA512

    91f11c53b9d8c5bd0085e993206344fa9a3b01426d32a8647703a1c4046ea6db89e38c1a6db6debf2e6cc9df4b2aa225e3b551eb51c1004581c01d4c72cd31cc

  • SSDEEP

    6144:81gNhF7mMk80a3Lsls6r/qqkdb+FoetPeh6mJbYXGf5yh/oJyBFThmBcjUm:pNW8h3Los6ryG0FJcXlQJyvEcjUm

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: zombietry4o3nzeh.onion/?ticket=6aWH6i3Gxp3cXPpqzl_6CD32D8A Use Tor Browser to access this address. If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.
URLs

http://zombietry4o3nzeh.onion/?ticket=6aWH6i3Gxp3cXPpqzl_6CD32D8A

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (627) files with added filename extension

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbae9888aa3dfd015e4e1b91961333b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dbae9888aa3dfd015e4e1b91961333b2_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\dbae9888aa3dfd015e4e1b91961333b2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\dbae9888aa3dfd015e4e1b91961333b2_JaffaCakes118.exe
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4668
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3668
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:984
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:7768
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:7496
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:5992
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:7176
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
              PID:7308
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              3⤵
                PID:7320
          • 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 --field-trial-handle=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=1440 /prefetch:8
            1⤵
              PID:388
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:7076

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-6CD32D8A.[[email protected]].ROGER

              Filesize

              3.2MB

              MD5

              b0dd3c07d3b6a1b9ed0a627dd4b0e22b

              SHA1

              8bc9b96eed68fe28a8fcfb1d0b836546d6275972

              SHA256

              542a0f0b30a102962f61d44d93a36980044ab9a760c3b8dad5a6755e6f5a40f0

              SHA512

              7eda99bf36f2346d2134bef8abc1a1fcd1c3eacaa345f4f45fd7458cc32e5d5c0148bd5005a74f7ae54941bea64596244c0d12a2f5e47caaa2f9a846f70ef927

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

              Filesize

              7KB

              MD5

              8633498de40019221bda4b8d91534d09

              SHA1

              9981402dda44b22679a96b5abb964a5d25047f4c

              SHA256

              c959ce128f8f56025b9de8fd33f59f99a6c265116c2414f50bd501609caddbff

              SHA512

              a9ad5e9f7d04b559f0c8d9514df6b1f1e834d5dd8fc7513868b5b749458666a78dce0c7b22eb5caadb85fa3f69c53cbe6bd05ab7b72ae91f081e496e5ad6b853

            • memory/2408-4-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-5-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-6-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-9-0x0000000002770000-0x0000000002788000-memory.dmp

              Filesize

              96KB

            • memory/2408-10-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-11-0x0000000002770000-0x0000000002788000-memory.dmp

              Filesize

              96KB

            • memory/2408-0-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-3-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/2408-2-0x0000000000400000-0x00000000004CA000-memory.dmp

              Filesize

              808KB

            • memory/4668-9402-0x0000000000400000-0x0000000000419000-memory.dmp

              Filesize

              100KB