Overview

overview

10

Static

static

1

liketesc.exe

windows7-x64

10

liketesc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2023 04:46

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General

  • Target

    liketesc.exe

  • Size

    92KB

  • MD5

    2bbb2d9be1a993a8dfef0dd719c589a0

  • SHA1

    c03d6401902a7b07ac88dbde7f93c6cc74e57221

  • SHA256

    bf20b92755cd5c2542cdcef804ee795932cc4b0e070ca6b81ff8fd30908a8f97

  • SHA512

    b810d0b4b775afbc7d69e7159363d9778b6d22bd7cdc0271dac595500ed3243aadae47b060ba55374c27b6c00137bdc3c2277ecef9b18242a0d62c15e0941343

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AecO0xq0j9OnjXZFekIaOaUBRUpkqa:Qw+asqN5aW/hLUcJc0jQjJ7Oa1Gq

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 help@decrypt-files.info Write this ID in the title of your message B2FB4513 In case of no answer in 24 hours write us to theese e-mails: help@decrypt-files.info 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

help@decrypt-files.info

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
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\liketesc.exe
    "C:\Users\Admin\AppData\Local\Temp\liketesc.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:308
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1756
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1512
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:440
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2096
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:624
        • 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:2308
        • 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:2236
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1468

      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

      2
      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

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-B2FB4513.[help@decrypt-files.info].like
        Filesize

        6.3MB

        MD5

        f4cc3eb0bc2ee709823a9a58b163542d

        SHA1

        0fe21af00c12153abd1859228c6e9a2735964bfd

        SHA256

        db6040a8e5827f08cd6882861bdd2993e248fe6b03fc45bafea95b9879a7f6d8

        SHA512

        b1728f155878ce3cc4c2d714e410c33b5034ecd24170fcecd3246036825802abe24d8498310a0bc2ae472a727917bafeffb2f7fe3ee7ebfc773f348b7fc8ddac

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

        13KB

        MD5

        08695cd91c835da71b53519a4364adb7

        SHA1

        b5664705b47a99eecdddc5d74e0a6fd6e702dc73

        SHA256

        3744882972ab24aa4cdf8dc845c92ecb4d165e87fc16451d6012e157f9f3871e

        SHA512

        f0293c0fca7bc48c9280370607ab849ba9513e85d0462dd222a91d833eb62f943e9e8053b49a355e649571d61793887e18e3eba6a4d7026514a5a52c30226d6e

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

        13KB

        MD5

        08695cd91c835da71b53519a4364adb7

        SHA1

        b5664705b47a99eecdddc5d74e0a6fd6e702dc73

        SHA256

        3744882972ab24aa4cdf8dc845c92ecb4d165e87fc16451d6012e157f9f3871e

        SHA512

        f0293c0fca7bc48c9280370607ab849ba9513e85d0462dd222a91d833eb62f943e9e8053b49a355e649571d61793887e18e3eba6a4d7026514a5a52c30226d6e

        Download Submit
      • memory/2236-20151-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
        Filesize

        64KB

        Download