Analysis

  • max time kernel
    150s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2023 04:20

General

  • Target

    6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.exe

  • Size

    92KB

  • MD5

    fb0e8cdaae96f5da8f73b3e30af023fb

  • SHA1

    5b0e1b47b42e6d1d068736f5106224fe2001624b

  • SHA256

    6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4

  • SHA512

    33449b04cc7913b54e2e1ec2c3d1f600f0d9b9ca3abb129fd46ef391e504f6f0cd9446340311f623b748788d70e4eca71d0e80a3d2c1700642f8c959b91f3bd0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4Awnyn9Jv4RYIhnIJANjOX:Qw+asqN5aW/hLyyn5JA5

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED iq200 Don't worry, you can return all your files! If you want to restore them, write to the mail: [email protected] YOUR ID [email protected] ATTENTION! We recommend you contact us directly to avoid overpaying agents 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.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 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\6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.exe
    "C:\Users\Admin\AppData\Local\Temp\6f64d864d4cdeaa6062e44e34c0969ebdead56edb22e5a2b61c987ca3400fad4.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:292
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1512
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1848
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2436
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3092
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3080
        • 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:3108
        • 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:3204
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2028

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\OWOW64WW.cab.id-60D85CEE.[[email protected]].iq20

        Filesize

        23.5MB

        MD5

        f892db4758175fdb0920b795e3225fd5

        SHA1

        bc4df0c6c4101e8b9df432bdf58387e36e22a58f

        SHA256

        05b2ca1073084b5a160aedec9ebe3d06573e5590e0add0febb960b13a5570bb5

        SHA512

        fa3ed49b83fdb62bbffa38b2f9674c48bb658a989f9586272d36ff2fd5a18c8093949125e20965098add8e676c571540f5a283f07dc0cd9c15e765351c6e9bc4

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

        Filesize

        2KB

        MD5

        b660db05364706d3dfa14f8a77ef1f3a

        SHA1

        88086405b711386b9f981e1c7e5cc9f4278e9262

        SHA256

        835d8701f9ec8ed215388b7e6789b97449fc5ed4cd8c2d03be031037fbb45464

        SHA512

        2ccdca7a7c359ed188710fffd7b8a87e6c3328d1a2f86e3deb7ecd1210377595650d7d5ba05017ca1f6b69d3340a81b2ef3edbc3a34cd729e42658a5c552f43f

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

        Filesize

        2KB

        MD5

        b660db05364706d3dfa14f8a77ef1f3a

        SHA1

        88086405b711386b9f981e1c7e5cc9f4278e9262

        SHA256

        835d8701f9ec8ed215388b7e6789b97449fc5ed4cd8c2d03be031037fbb45464

        SHA512

        2ccdca7a7c359ed188710fffd7b8a87e6c3328d1a2f86e3deb7ecd1210377595650d7d5ba05017ca1f6b69d3340a81b2ef3edbc3a34cd729e42658a5c552f43f