Overview

overview

10

Static

static

c604da7ff0...02.exe

windows7_x64

10

c604da7ff0...02.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    4294211s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    05-03-2022 19:14

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General

  • Target

    c604da7ff0fe86bd7bbdaad837891a2d915b02aa9be347fda7a7dad4dbd65a02.exe

  • Size

    92KB

  • MD5

    e1d312b7e14e7c1043217cc06c972983

  • SHA1

    3bc4d27073d83cb60bfa58e81160be9ed2676ac1

  • SHA256

    c604da7ff0fe86bd7bbdaad837891a2d915b02aa9be347fda7a7dad4dbd65a02

  • SHA512

    6837d1e76a449e4e78b77f4125e22e6bf425a18117d131f9ac5310f7e9a58a202a7d7f603c488b7954fe4365f967dd23e195330783fc977942059d730a2d5c81

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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.

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c604da7ff0fe86bd7bbdaad837891a2d915b02aa9be347fda7a7dad4dbd65a02.exe
    "C:\Users\Admin\AppData\Local\Temp\c604da7ff0fe86bd7bbdaad837891a2d915b02aa9be347fda7a7dad4dbd65a02.exe"
    1⤵
    • Modifies extensions of user files
    • 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:844
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1352
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1824
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2020
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2016
        • 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:1920
        • 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:892
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:544

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        MD5

        a6246f999e2bc15506d248b53b271dec

        SHA1

        2017363a4fb5ab162361659212fa6026c19616ec

        SHA256

        90f25b9e8df824e5f2fbd1e01dc606b3a4fcfab8a5f0dc3c3eaf8ed0ae96aae7

        SHA512

        eb9cc9b918ef6ccdddc3eb8927fb603692934300f04b8121aa61013200dc5c3fc108a15b9c33822ed985cc20e58cf35d372afddb8710a8624efe9cb0838db2ab

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        MD5

        a6246f999e2bc15506d248b53b271dec

        SHA1

        2017363a4fb5ab162361659212fa6026c19616ec

        SHA256

        90f25b9e8df824e5f2fbd1e01dc606b3a4fcfab8a5f0dc3c3eaf8ed0ae96aae7

        SHA512

        eb9cc9b918ef6ccdddc3eb8927fb603692934300f04b8121aa61013200dc5c3fc108a15b9c33822ed985cc20e58cf35d372afddb8710a8624efe9cb0838db2ab

        Download Submit

      • memory/844-54-0x0000000075131000-0x0000000075133000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1920-55-0x000007FEFBD31000-0x000007FEFBD33000-memory.dmp

        Filesize

        8KB

        Download