Overview

overview

10

Static

static

553532c3bc...2d.exe

windows7_x64

10

553532c3bc...2d.exe

windows10_x64

10

Resubmissions

14-02-2024 03:46

240214-ebskgagb2t 10

14-02-2024 03:40

240214-d8m6kshc42 10

14-02-2024 03:37

240214-d6vgwafh5v 10

11-09-2020 08:09

200911-rexcktjp1n 10

Analysis

  • max time kernel
    152s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    11-09-2020 08:09

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General

  • Target

    553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.exe

  • Size

    92KB

  • MD5

    b075d1e9bc442a09f38d91133cd8c900

  • SHA1

    8829d9ce9067abb421df21c24b31b5e0ffbf5ca6

  • SHA256

    553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d

  • SHA512

    047d0a3535b33e5058f14c4dee97434278327cd9ffe93b373f23ebbf8e5d02374a5af3526050fd78a1758ef67e95d24b403c5393a1cd9036302ae7eed5705957

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 backmydata@protonmail.com or backmydata@airmail.cc
Emails

backmydata@protonmail.com

backmydata@airmail.cc

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 backmydata@protonmail.com YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: backmydata@airmail.cc 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.
Emails

backmydata@protonmail.com

backmydata@airmail.cc

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.

    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 27785 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 249 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.exe
    "C:\Users\Admin\AppData\Local\Temp\553532c3bc00e3b85bcbac054bc4f05cb4fffba6f44a17c663dd37732ce1772d.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:1072
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1604
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1780
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1644
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:912
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1180
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1688
        • 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:2028
        • 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:2024
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Modifies service
        • Suspicious use of AdjustPrivilegeToken
        PID:1628

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Modify Existing Service

      1
      T1031

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      3
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

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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/912-3-0x0000000000000000-mapping.dmp
        Download
      • memory/1180-4-0x0000000000000000-mapping.dmp
        Download
      • memory/1604-0-0x0000000000000000-mapping.dmp
        Download
      • memory/1644-2-0x0000000000000000-mapping.dmp
        Download
      • memory/1688-5-0x0000000000000000-mapping.dmp
        Download
      • memory/1700-10-0x000007FEF7920000-0x000007FEF7B9A000-memory.dmp
        Filesize

        2.5MB

        Download
      • memory/1780-1-0x0000000000000000-mapping.dmp
        Download
      • memory/2024-7-0x0000000000000000-mapping.dmp
        Download
      • memory/2028-6-0x0000000000000000-mapping.dmp
        Download