Overview

overview

10

Static

static

553f674770...cb.exe

windows7_x64

10

553f674770...cb.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    11-09-2020 08:09

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General

  • Target

    553f674770840d592fd718f1cb8eed6d4210c7ce73944fb2d200e8588584fccb.exe

  • Size

    92KB

  • MD5

    40d778624057e93cb98a8ff89d74baeb

  • SHA1

    c5ed829367c08aa36597e77c20f1ae1b8020f0e2

  • SHA256

    553f674770840d592fd718f1cb8eed6d4210c7ce73944fb2d200e8588584fccb

  • SHA512

    b9479c0e7d51d2276051eb3f6a58cddca906df7f9edd9405e063be5dac9f91de421508ad53517b71a8ee0820267700d706970dfd0031a49d8dd0b6933a08e469

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 backdata@qbmail.biz or recowerdata@protonmail.com
Emails

backdata@qbmail.biz

recowerdata@protonmail.com

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 backdata@qbmail.biz YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: recowerdata@protonmail.com 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

backdata@qbmail.biz

recowerdata@protonmail.com

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) 70 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Drops file in Program Files directory 35207 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 548 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\553f674770840d592fd718f1cb8eed6d4210c7ce73944fb2d200e8588584fccb.exe
    "C:\Users\Admin\AppData\Local\Temp\553f674770840d592fd718f1cb8eed6d4210c7ce73944fb2d200e8588584fccb.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:3836
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2852
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3948
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2664
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3628
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3248
        • 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:740
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:1172
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:1360

          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

          2
          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/740-49-0x0000000000000000-mapping.dmp
            Download
          • memory/1172-51-0x0000000000000000-mapping.dmp
            Download
          • memory/2084-0-0x0000000000000000-mapping.dmp
            Download
          • memory/2664-46-0x0000000000000000-mapping.dmp
            Download
          • memory/2852-1-0x0000000000000000-mapping.dmp
            Download
          • memory/3248-50-0x0000000000000000-mapping.dmp
            Download
          • memory/3628-48-0x0000000000000000-mapping.dmp
            Download
          • memory/3948-4-0x0000000000000000-mapping.dmp
            Download