Overview

overview

10

Static

static

software.exe

windows7_x64

10

software.exe

windows10_x64

10

Analysis

  • max time kernel
    230s
  • max time network
    176s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    02-11-2021 08:56

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General

  • Target

    software.exe

  • Size

    92KB

  • MD5

    b75251731b56827c342c99aa971ba08f

  • SHA1

    40b1c7755c51d2a01989129e789babb2b8b63ccf

  • SHA256

    3366e3811e6efd2237a9f829af0551e46e79001ae05192e90ccf1d6c047312c1

  • SHA512

    ddd9af6c117665383d74a81652d6f59f4967d1ca4be0b4456bc0680675c932d9f4b3448a560f343420909eb4cba7aa4f98ed7960e52783b85b220ed2b1b4f1e8

Score
10/10
dharmaxmrigminerpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED ENCRYPTED 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.

    ransomwaredharma
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies extensions of user files 4 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\software.exe
    "C:\Users\Admin\AppData\Local\Temp\software.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:3380
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:656
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1476
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2984
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4012
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3228
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:2872
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:1420
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:368

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

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

            ee0b2525363cde57e95e9f539e84bdaa

            SHA1

            2e9a40c9f2d5afb40ae0ffc65297fda79c9e78e1

            SHA256

            98bb02f20af1d3b33d91dfcc5dbb1583c7243549bb1f1a36f80366ec505479e9

            SHA512

            fb0be9f049f3bdc45f5040eecb07a1648f3e6c5ebe9cb6f4f4369d09325ea15ac6c88221272bb19f5c35ca123e2546c137115b313ce07b17467f5d7a44c6d75a

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

            ee0b2525363cde57e95e9f539e84bdaa

            SHA1

            2e9a40c9f2d5afb40ae0ffc65297fda79c9e78e1

            SHA256

            98bb02f20af1d3b33d91dfcc5dbb1583c7243549bb1f1a36f80366ec505479e9

            SHA512

            fb0be9f049f3bdc45f5040eecb07a1648f3e6c5ebe9cb6f4f4369d09325ea15ac6c88221272bb19f5c35ca123e2546c137115b313ce07b17467f5d7a44c6d75a

            Download Submit
          • memory/656-116-0x0000000000000000-mapping.dmp
            Download
          • memory/1420-122-0x0000000000000000-mapping.dmp
            Download
          • memory/1476-117-0x0000000000000000-mapping.dmp
            Download
          • memory/2872-121-0x0000000000000000-mapping.dmp
            Download
          • memory/2872-123-0x000002758FBF8000-0x000002758FC00000-memory.dmp
            Filesize

            32KB

            Download
          • memory/2984-118-0x0000000000000000-mapping.dmp
            Download
          • memory/3228-120-0x0000000000000000-mapping.dmp
            Download
          • memory/3440-115-0x0000000000000000-mapping.dmp
            Download
          • memory/4012-119-0x0000000000000000-mapping.dmp
            Download