Overview

overview

10

Static

static

db87da4d68...c9.exe

windows7_x64

10

db87da4d68...c9.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    17-05-2021 10:10

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General

  • Target

    db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9.exe

  • Size

    133KB

  • MD5

    d64be1cf64058aba02cb98065d5ea3f0

  • SHA1

    fbcc5a7492f6bcbc86f36fd191df038f6f6660d0

  • SHA256

    db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9

  • SHA512

    549640e2c68692e77593b31abf2ab9cd407d8e87190096faa566d9b3d84c9ec35c66ea0d41460446ea9f469067582588af219e8dce7342ea7bfad53be192aba9

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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 cryptohelp24@cock.li Write this ID in the title of your message 6BF3449A In case of no answer in 24 hours write us to theese e-mails: cryptocompany24@cock.li 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

cryptohelp24@cock.li

cryptocompany24@cock.li

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9.exe
    "C:\Users\Admin\AppData\Local\Temp\db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9.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:1864
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1432
      • 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:1660
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1624
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:656
        • 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:556
        • 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:288
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:820

      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

      Loading Replay Monitor...

      Downloads

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

        2e57c12cb18cf8df4cf656b4c98c5ff4

        SHA1

        1a9518ebeb5ffd3f4f967b90a3ef8dc402ee9a7e

        SHA256

        1c9d6410ce38cdab7057344d3bafb3ef2684946de9bf40278d29d65d3883d947

        SHA512

        f6a78e72a9ac6fd85893fd7637b3765ed78400a5341ff1096a970492ff239939d165006a1a2fb8778e1d8ec248bcbb9c097abb633c90369fc21ba663c7b29c5c

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

        2e57c12cb18cf8df4cf656b4c98c5ff4

        SHA1

        1a9518ebeb5ffd3f4f967b90a3ef8dc402ee9a7e

        SHA256

        1c9d6410ce38cdab7057344d3bafb3ef2684946de9bf40278d29d65d3883d947

        SHA512

        f6a78e72a9ac6fd85893fd7637b3765ed78400a5341ff1096a970492ff239939d165006a1a2fb8778e1d8ec248bcbb9c097abb633c90369fc21ba663c7b29c5c

        Download Submit
      • memory/288-68-0x0000000000000000-mapping.dmp
        Download
      • memory/556-67-0x0000000000000000-mapping.dmp
        Download
      • memory/556-69-0x000007FEFC471000-0x000007FEFC473000-memory.dmp
        Filesize

        8KB

        Download
      • memory/656-66-0x0000000000000000-mapping.dmp
        Download
      • memory/1432-61-0x0000000000000000-mapping.dmp
        Download
      • memory/1624-65-0x0000000000000000-mapping.dmp
        Download
      • memory/1660-63-0x0000000000000000-mapping.dmp
        Download
      • memory/1756-64-0x0000000000000000-mapping.dmp
        Download
      • memory/1780-62-0x0000000000000000-mapping.dmp
        Download
      • memory/1864-60-0x0000000076A81000-0x0000000076A83000-memory.dmp
        Filesize

        8KB

        Download