Overview

overview

10

Static

static

9a4e6b6a25...58.exe

windows7_x64

10

9a4e6b6a25...58.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:49

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General

  • Target

    9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58.exe

  • Size

    92KB

  • MD5

    f552f5b23542b6ab3605cc51390b1d5f

  • SHA1

    2d58e4981de5d73a36cd741b811e1741501cc4ec

  • SHA256

    9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58

  • SHA512

    a45ef470e6992c2358845ccd1edf5969a0082089fecac33ade0e3685bbff288cf5d92428d5a94c4f9d5dfcf30bf2e13f65a2a04159d555ed915cf8133a6596fa

Score
10/10
dharmapersistenceransomwarespyware

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail newdecrypt@protonmail.com Write this ID in the title of your message E79F0F3A In case of no answer in 24 hours write us to theese e-mails: Filesback@tutamail.com You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 1 file for free decryption. The total size of files must be less than 1Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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

newdecrypt@protonmail.com

Filesback@tutamail.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 3 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 35324 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 524 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58.exe
    "C:\Users\Admin\AppData\Local\Temp\9a4e6b6a25332f21e4e15bd5c67ea1613db78bf02fa3cef2eba47f27723f8d58.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:744
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2480
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4004
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3492
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3288
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2512
        • 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:2108
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4000
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:740

          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

          Loading Replay Monitor...

          Downloads

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

            6c526e9301d885bc91eb00b37feb1450

            SHA1

            91f9f03d24bac3777f3e0048340fea539530312d

            SHA256

            e9feea40b347c17ae63b0dc8d920597a6418edc8a9285c18097353b4e7ba0552

            SHA512

            bd9716bdf2f35d53c2cdff8da4e2c6a66eb63c3bfdafbe4ad82b94a392e47de27ab84144f369d4f930a119a80289e6a70f54a2464fbe39a415261e5a4638ed17

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

            6c526e9301d885bc91eb00b37feb1450

            SHA1

            91f9f03d24bac3777f3e0048340fea539530312d

            SHA256

            e9feea40b347c17ae63b0dc8d920597a6418edc8a9285c18097353b4e7ba0552

            SHA512

            bd9716bdf2f35d53c2cdff8da4e2c6a66eb63c3bfdafbe4ad82b94a392e47de27ab84144f369d4f930a119a80289e6a70f54a2464fbe39a415261e5a4638ed17

            Download Submit
          • memory/1552-0-0x0000000000000000-mapping.dmp
            Download
          • memory/2108-479-0x0000000000000000-mapping.dmp
            Download
          • memory/2480-1-0x0000000000000000-mapping.dmp
            Download
          • memory/2512-478-0x0000000000000000-mapping.dmp
            Download
          • memory/3288-477-0x0000000000000000-mapping.dmp
            Download
          • memory/3492-476-0x0000000000000000-mapping.dmp
            Download
          • memory/4000-480-0x0000000000000000-mapping.dmp
            Download
          • memory/4004-3-0x0000000000000000-mapping.dmp
            Download