Overview

overview

10

Static

static

d0f8c1a00e...d9.exe

windows7_x64

10

d0f8c1a00e...d9.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-05-2021 12:05

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General

  • Target

    d0f8c1a00ebbdfec24e2b4074515ebb5d1f22930f3cf828e728628326f315fd9.exe

  • Size

    440KB

  • MD5

    0bea574db74f33958723ea9a9bd81c11

  • SHA1

    8ca2edc10ee3e13c3075baf8450d4d94b220c6e6

  • SHA256

    d0f8c1a00ebbdfec24e2b4074515ebb5d1f22930f3cf828e728628326f315fd9

  • SHA512

    5f71ca9ae881e59db1638883e42cbbc04b70b4ab1b98ec9632062229cbdcd6196e7889b9d304d10fc684fcbc468bf0a2a60e271c785fbeee2ebca7a2947f0272

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 datadecrypt@qq.com Write this ID in the title of your message 778F0FFC In case of no answer in 24 hours write us to theese e-mails: datadecrypt@qq.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

datadecrypt@qq.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
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0f8c1a00ebbdfec24e2b4074515ebb5d1f22930f3cf828e728628326f315fd9.exe
    "C:\Users\Admin\AppData\Local\Temp\d0f8c1a00ebbdfec24e2b4074515ebb5d1f22930f3cf828e728628326f315fd9.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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1884
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:928
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1924
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1920
        • 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:1752
        • 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:1684
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1216

      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

        50d525d435026f7d6675214c9e49d265

        SHA1

        2d8f335517e3ba066880b29efab231f64e0cd1d9

        SHA256

        554a2ca578c4b1c5a4ed2ff7af14502ad152484d548e948e91d27cd9d9734f38

        SHA512

        0301155c491e548e93242d7b9440eead7031b76f0f784ac570f59350f471638a0ba7f3e6af8343d38102ead881a05b95971635d435d65010b294ce6d227c9260

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

        50d525d435026f7d6675214c9e49d265

        SHA1

        2d8f335517e3ba066880b29efab231f64e0cd1d9

        SHA256

        554a2ca578c4b1c5a4ed2ff7af14502ad152484d548e948e91d27cd9d9734f38

        SHA512

        0301155c491e548e93242d7b9440eead7031b76f0f784ac570f59350f471638a0ba7f3e6af8343d38102ead881a05b95971635d435d65010b294ce6d227c9260

        Download Submit
      • memory/772-60-0x0000000000400000-0x0000000000475000-memory.dmp
        Filesize

        468KB

        Download
      • memory/772-64-0x0000000002500000-0x0000000002580000-memory.dmp
        Filesize

        512KB

        Download
      • memory/772-65-0x0000000000320000-0x0000000000321000-memory.dmp
        Filesize

        4KB

        Download
      • memory/772-59-0x0000000075EF1000-0x0000000075EF3000-memory.dmp
        Filesize

        8KB

        Download
      • memory/928-63-0x0000000000000000-mapping.dmp
        Download
      • memory/1540-61-0x0000000000000000-mapping.dmp
        Download
      • memory/1660-81-0x0000000000000000-mapping.dmp
        Download
      • memory/1684-84-0x0000000000000000-mapping.dmp
        Download
      • memory/1752-82-0x0000000000000000-mapping.dmp
        Download
      • memory/1884-62-0x0000000000000000-mapping.dmp
        Download
      • memory/1920-85-0x0000000000000000-mapping.dmp
        Download
      • memory/1924-83-0x0000000000000000-mapping.dmp
        Download