Overview

overview

10

Static

static

26a879b2_b...is.exe

windows7_x64

10

26a879b2_b...is.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    05-05-2021 08:08

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General

  • Target

    26a879b2_by_Libranalysis.exe

  • Size

    92KB

  • MD5

    26a879b25708d951e9056ba81bb5a6e5

  • SHA1

    97994d75c3f30cb61295f9c02b0ce15105ae556f

  • SHA256

    324cb383fd7f47c079b162b725215bb4badfd4c0b2e41d330fa38344e59e77ce

  • SHA512

    e8ba5219eb19e9cd7235c63fa9ece1bd26d059efe1ccb01047cae075c3e409a632959717bbbcc2c42013c46fca2cfdb62b8e9c92d67a9568dcd7f57d82c27502

Score
10/10
dharmapersistenceransomwarespywarestealer

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 Sirhirad@protonmail.com Write this ID in the title of your message B83D631F In case of no answer in 24 hours write us to theese e-mails: Sirfuxm@protonmail.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

Sirhirad@protonmail.com

Sirfuxm@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
  • 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\26a879b2_by_Libranalysis.exe
    "C:\Users\Admin\AppData\Local\Temp\26a879b2_by_Libranalysis.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:2228
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2916
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4016
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1168
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3936
        • 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:2300
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3984
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2948

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Initial Access

          Execution

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Privilege Escalation

          Defense Evasion

          File Deletion

          2
          T1107

          Modify Registry

          1
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          System Information Discovery

          1
          T1082

          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

            b797223388f017127af79046a8d32e62

            SHA1

            ee46f28b279c5abee144e7e02aa3a5605f02cca9

            SHA256

            5b36bb39ed6956296850de3cb07d98f629ca817f6171c40ed82355bf5a2a9e52

            SHA512

            44dd9ad7d537cd7fc7bb71f82a72bfe31ceccc7bc492be6eeaeaa59c5b195dadcbf1f39fed82965ac15058c13361bc4b635b68e6bd62f707fe977c7ead897f80

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

            b797223388f017127af79046a8d32e62

            SHA1

            ee46f28b279c5abee144e7e02aa3a5605f02cca9

            SHA256

            5b36bb39ed6956296850de3cb07d98f629ca817f6171c40ed82355bf5a2a9e52

            SHA512

            44dd9ad7d537cd7fc7bb71f82a72bfe31ceccc7bc492be6eeaeaa59c5b195dadcbf1f39fed82965ac15058c13361bc4b635b68e6bd62f707fe977c7ead897f80

            Download Submit
          • memory/1036-114-0x0000000000000000-mapping.dmp
            Download
          • memory/1168-118-0x0000000000000000-mapping.dmp
            Download
          • memory/1304-117-0x0000000000000000-mapping.dmp
            Download
          • memory/2300-120-0x0000000000000000-mapping.dmp
            Download
          • memory/2916-115-0x0000000000000000-mapping.dmp
            Download
          • memory/3936-119-0x0000000000000000-mapping.dmp
            Download
          • memory/3984-121-0x0000000000000000-mapping.dmp
            Download
          • memory/4016-116-0x0000000000000000-mapping.dmp
            Download