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
    52s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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 7C59B6D3 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 16 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:804
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:808
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2080
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:856
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4024
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2120
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4064
        • 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:3824
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3420
          • C:\Windows\system32\AUDIODG.EXE
            C:\Windows\system32\AUDIODG.EXE 0x3f8
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3440
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:612

          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

            e8c48dfeb98371c8834f6780ef19ef5d

            SHA1

            7c2439fdd34943cef5062bf1e9bd734e064a2ddf

            SHA256

            085ca245f9e875d88d9bbb14f765136621b389ed5e53bec8f8f0126d8f3b48fd

            SHA512

            81da976ba4d3ed1d49f668761140c3b7e58aa8d8a7e747e43f07cce67def2f664e3d02fb3991bc8210e09bf79d2a91069b45c86405ed651e63492ec3f697f6ca

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

            e8c48dfeb98371c8834f6780ef19ef5d

            SHA1

            7c2439fdd34943cef5062bf1e9bd734e064a2ddf

            SHA256

            085ca245f9e875d88d9bbb14f765136621b389ed5e53bec8f8f0126d8f3b48fd

            SHA512

            81da976ba4d3ed1d49f668761140c3b7e58aa8d8a7e747e43f07cce67def2f664e3d02fb3991bc8210e09bf79d2a91069b45c86405ed651e63492ec3f697f6ca

            Download Submit
          • memory/804-116-0x00000000024C0000-0x0000000002540000-memory.dmp
            Filesize

            512KB

            Download
          • memory/804-118-0x0000000002220000-0x0000000002221000-memory.dmp
            Filesize

            4KB

            Download
          • memory/804-117-0x0000000000400000-0x0000000000475000-memory.dmp
            Filesize

            468KB

            Download
          • memory/808-134-0x0000000000000000-mapping.dmp
            Download
          • memory/856-136-0x0000000000000000-mapping.dmp
            Download
          • memory/2080-135-0x0000000000000000-mapping.dmp
            Download
          • memory/2120-138-0x0000000000000000-mapping.dmp
            Download
          • memory/3420-141-0x0000000000000000-mapping.dmp
            Download
          • memory/3824-140-0x0000000000000000-mapping.dmp
            Download
          • memory/4024-137-0x0000000000000000-mapping.dmp
            Download
          • memory/4064-139-0x0000000000000000-mapping.dmp
            Download