Overview

overview

10

Static

static

45e9481702...86.exe

windows7_x64

10

45e9481702...86.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:45

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General

  • Target

    45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe

  • Size

    236KB

  • MD5

    09fd8604639fa6f0d6a0d2a844c82ce8

  • SHA1

    504ca88eedfe15fb00ce39e0b2c0522b5e90a2ac

  • SHA256

    45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686

  • SHA512

    057985b4d27ffa8097dc0537fa2ad42d9d137d7ef69b1e753c1fa3a8f7c2f42903291e9ce6c40170443ffff90e8d9ffd5b73e96f1f6f5b311e316669474d1da2

Score
10/10
dharmapersistenceransomwarespyware

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 3441546223@qq.com Write this ID in the title of your message 65358199 In case of no answer in 24 hours write us to theese e-mails: 3441546223@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

3441546223@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
  • Modifies extensions of user files 2 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.

    spyware
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Drops desktop.ini file(s) 70 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 5 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 35375 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 373 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe
    "C:\Users\Admin\AppData\Local\Temp\45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe
      "C:/Users/Admin/AppData/Local/Temp/45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe"
      2⤵
      • 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:2268
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2912
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:2128
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:2324
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:2444
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:4036
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
              PID:1212
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              3⤵
                PID:1216
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:2700

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Initial Access

          Execution

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Modify Existing Service

          1
          T1031

          Privilege Escalation

          Defense Evasion

          File Deletion

          2
          T1107

          Modify Registry

          2
          T1112

          Credential Access

          Credentials in Files

          1
          T1081

          Discovery

          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

            d6d790ce5cea2e54b34d283a1b73e244

            SHA1

            ef9340aad951d77f8a7e217a1b9118561371d3ce

            SHA256

            23fe1001f7e37b2372590b4306b83e77d976eb2ec1930b7c5c6b9c481a4cdddf

            SHA512

            e028ee7e11018c9cf961edd643be799b80be95e3d3324a50cb6f091c2310a530436bcb89537b22b45e4f3d2bef3c02aaf7e315cfd357f641fd8f49d956db0468

            Download Submit
          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\45e9481702b87e03705d35c12c5a8a3d795d42f91d562cba539999846c729686.exe.log
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            Download Submit
          • C:\Users\Admin\AppData\Local\Temp\svhost.exe
            MD5

            fcb2de9b597d72e002ca26cdee1886af

            SHA1

            eb00d1b115ddfd9d66fd040d0ca8b5953830dbc1

            SHA256

            ee2b863ef43a3b712b256c7bffaffea16d3dddb447f3c6cfc6e98267e105d54f

            SHA512

            38723340044ea62169101158dab0f2c82fa143368e902aa353ff12d4c549104cd2badcbab43aa310e46b9c7082d9f59b7a84105cfd6ee7f97799a7ea97421cc8

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

            d6d790ce5cea2e54b34d283a1b73e244

            SHA1

            ef9340aad951d77f8a7e217a1b9118561371d3ce

            SHA256

            23fe1001f7e37b2372590b4306b83e77d976eb2ec1930b7c5c6b9c481a4cdddf

            SHA512

            e028ee7e11018c9cf961edd643be799b80be95e3d3324a50cb6f091c2310a530436bcb89537b22b45e4f3d2bef3c02aaf7e315cfd357f641fd8f49d956db0468

            Download Submit
          • memory/644-1-0x00000000004C0000-0x00000000004C1000-memory.dmp
            Filesize

            4KB

            Download
          • memory/644-3-0x0000000004D60000-0x0000000004D61000-memory.dmp
            Filesize

            4KB

            Download
          • memory/644-4-0x0000000004CC0000-0x0000000004CDB000-memory.dmp
            Filesize

            108KB

            Download
          • memory/644-0-0x0000000073DC0000-0x00000000744AE000-memory.dmp
            Filesize

            6.9MB

            Download
          • memory/1212-16-0x0000000000000000-mapping.dmp
            Download
          • memory/1216-18-0x0000000000000000-mapping.dmp
            Download
          • memory/2088-13-0x0000000000000000-mapping.dmp
            Download
          • memory/2128-9-0x0000000000000000-mapping.dmp
            Download
          • memory/2268-7-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/2268-6-0x000000000040A9D0-mapping.dmp
            Download
          • memory/2268-5-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/2324-10-0x0000000000000000-mapping.dmp
            Download
          • memory/2444-14-0x0000000000000000-mapping.dmp
            Download
          • memory/2912-8-0x0000000000000000-mapping.dmp
            Download
          • memory/4036-15-0x0000000000000000-mapping.dmp
            Download