Overview

overview

10

Static

static

90c54543aa...b2.exe

windows7_x64

10

90c54543aa...b2.exe

windows10_x64

10

Analysis

  • max time kernel
    154s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11-09-2020 08:09

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General

  • Target

    90c54543aaf085e00879d4fe98a6dfb8148548f374828d50b6e3ac44668138b2.exe

  • Size

    92KB

  • MD5

    37c1ee5708d1f5e45cea516059fd12f8

  • SHA1

    d9102824ed07a4c29bd364fd0f4e08df1f5dc1d9

  • SHA256

    90c54543aaf085e00879d4fe98a6dfb8148548f374828d50b6e3ac44668138b2

  • SHA512

    4bc1e5cfb0e74bc6c4a3a29c343665f55667582ade43cc6137ee2307559b806a498b7379823ee0a4d861cd841ced3fda60eaaf7ffacf96129eb0d6727d39285e

Score
10/10
ransomwaredharmapersistencespyware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\FILES ENCRYPTED.txt

Ransom Note
all your data has been locked us You want to return? write email [email protected] or [email protected]

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.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    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.

    spyware
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 77 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 27818 IoCs
  • 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 246 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90c54543aaf085e00879d4fe98a6dfb8148548f374828d50b6e3ac44668138b2.exe
    "C:\Users\Admin\AppData\Local\Temp\90c54543aaf085e00879d4fe98a6dfb8148548f374828d50b6e3ac44668138b2.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:1492
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1820
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1812
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1056
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1780
        • 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:1480
        • 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:1220
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:1572

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

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

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

      • memory/948-10-0x000007FEF7E70000-0x000007FEF80EA000-memory.dmp

        Filesize

        2.5MB

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      • memory/1056-4-0x0000000000000000-mapping.dmp

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      • memory/1220-7-0x0000000000000000-mapping.dmp

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      • memory/1400-3-0x0000000000000000-mapping.dmp

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      • memory/1480-6-0x0000000000000000-mapping.dmp

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      • memory/1780-5-0x0000000000000000-mapping.dmp

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      • memory/1812-2-0x0000000000000000-mapping.dmp

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      • memory/1820-1-0x0000000000000000-mapping.dmp

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      • memory/1932-0-0x0000000000000000-mapping.dmp

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