Overview

overview

10

Static

static

db87da4d68...c9.exe

windows7_x64

10

db87da4d68...c9.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • 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:\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 cryptohelp24@cock.li Write this ID in the title of your message B6333937 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
  • 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.

    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\db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9.exe
    "C:\Users\Admin\AppData\Local\Temp\db87da4d68417d25dd5b53511a5596cce452cdb9ab38682dfa12d6d898c38ec9.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:3212
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:184
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1104
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:200
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1848
        • 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:2076
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:268
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2804

          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

            57df7685176b3de65dc59d4469905a81

            SHA1

            6d3786a8347fec1e4a65df78fdbf46169c82090d

            SHA256

            539c142c44c8b16053b1dffed6ffc1a2930690915e030a01c43a634824128760

            SHA512

            e0a6ae06878373ff2e6b58624fecaa8cd921e645797fc43a867bc37ea0757384ad653337114ffd24657c6a2cd01b17ed43aff2148bad67e239cb34818702700f

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

            57df7685176b3de65dc59d4469905a81

            SHA1

            6d3786a8347fec1e4a65df78fdbf46169c82090d

            SHA256

            539c142c44c8b16053b1dffed6ffc1a2930690915e030a01c43a634824128760

            SHA512

            e0a6ae06878373ff2e6b58624fecaa8cd921e645797fc43a867bc37ea0757384ad653337114ffd24657c6a2cd01b17ed43aff2148bad67e239cb34818702700f

            Download Submit
          • memory/184-115-0x0000000000000000-mapping.dmp
            Download
          • memory/200-118-0x0000000000000000-mapping.dmp
            Download
          • memory/268-121-0x0000000000000000-mapping.dmp
            Download
          • memory/1104-116-0x0000000000000000-mapping.dmp
            Download
          • memory/1848-119-0x0000000000000000-mapping.dmp
            Download
          • memory/1956-114-0x0000000000000000-mapping.dmp
            Download
          • memory/2076-120-0x0000000000000000-mapping.dmp
            Download
          • memory/2240-117-0x0000000000000000-mapping.dmp
            Download