Resubmissions

31-07-2024 14:36

240731-rykvcsshjd 10

31-07-2024 14:35

240731-ryc5hssgrc 3

31-07-2024 14:02

240731-rb33esxakj 10

Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2024 14:02

General

  • Target

    7cb12c7eac83f0bc7f581f4b28a041c5_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    7cb12c7eac83f0bc7f581f4b28a041c5

  • SHA1

    b47b064e27e0654d828f9911186e62ec385114e3

  • SHA256

    97689f3967844dd326e7a2b68e7da5b6b3967eea7748d1e3313910a16cacdf16

  • SHA512

    eb82b4431741921acdf899e3f9bf644341ccf31def0fcdb0d849a208e4ce82047c91ec08fb65ae13137d09c12382edda7c63bae8f5e6c486a9e75d8fbd97f199

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4ANWh3WB+Yjy0bPwegunu6Jnd4H94A6:Qw+asqN5aW/hLXWZWB+N0bI8Jnud4

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: email [email protected] YOUR ID 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.

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 (314) files with added filename extension

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

  • 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.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 2 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 1 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\7cb12c7eac83f0bc7f581f4b28a041c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7cb12c7eac83f0bc7f581f4b28a041c5_JaffaCakes118.exe"
    1⤵
    • 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:2512
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2384
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2564
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3968
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2100
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:3140
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:2628
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1848

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-76FA4A4C.[[email protected]].ROGER

        Filesize

        23.5MB

        MD5

        76f28dd1999b5dae1d13c8c1681ce802

        SHA1

        04e3aab4e40825cd622cac7694e0e35188fe7592

        SHA256

        59abc2622b3068949b11f1c7cc9b47b45567acf08de4f2b19fa74ff3c9f3b696

        SHA512

        9d627b104e0b0d1cc3eeb472e348ec77340488f4f47f0c0ce07ba55d1bf8a0d0cfe0f92dd8f68f12b53c3f1315207114f66bf70fd3fe6ab968f15181cb00d145

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

        Filesize

        7KB

        MD5

        9f33d86c0f8f9b412f4136a3a67f40f9

        SHA1

        e51efc117ac70a9d49e63caa8bb4846c4716c718

        SHA256

        907f1d06c9b58961b72a4a7ac3e42cc1f2b850355892647288005c8f779c176a

        SHA512

        3d1a4ca5f2ef31477230b488ed2ad539be481d46cba70ab9d35cb41d065aaf89cd5bbeda793ac157de80ca502a7dc6d682be672bbb6a59e1c2de61dc985633af