Overview

overview

10

Static

static

65ac9daf30...b7.exe

windows7_x64

10

65ac9daf30...b7.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:45

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General

  • Target

    65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe

  • Size

    243KB

  • MD5

    f3c11989987acee8b271f571cdc7757c

  • SHA1

    50a191d53bc397ce08af356a224135488ed23619

  • SHA256

    65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7

  • SHA512

    27e9690090d4d928140b0c6b34205371bd2c8cce8423308fff0fdbd1ebfec9b4b50538a226de73145598aa4f7d9153db67a21cebed00808466cf2a93b697a119

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 [email protected] Write this ID in the title of your message 5398C5EB In case of no answer in 24 hours write us to theese e-mails: [email protected] 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.

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
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • 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 35372 IoCs
  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 295 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe
    "C:\Users\Admin\AppData\Local\Temp\65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Users\Admin\AppData\Local\Temp\regasm.exe
      "C:\Users\Admin\AppData\Local\Temp\regasm.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • 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:2336
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1472
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:4088
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:3844
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2032
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:1240
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:3744
          • 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:1780
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              3⤵
                PID:3644
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Modifies service
            • Suspicious use of AdjustPrivilegeToken
            PID:1508

          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

            9cd6a0b8c9a5bb4a76012d00a087f55b

            SHA1

            50649172777c06679f5fd1f74c4c8a7e02226f92

            SHA256

            14ecc64fff15d0bc545c9952588fad53e7f28565c0d391cfb4aedc35c727fb02

            SHA512

            96f96024aae77692bb611e91eb4eba823baf7ab49eef4e12ce550b39e6a4014116ee6f59b783fb54740104718f26eefab80a8d18463313ed2286286627f8417d

            Download Submit
          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe.log
            MD5

            d41d8cd98f00b204e9800998ecf8427e

            SHA1

            da39a3ee5e6b4b0d3255bfef95601890afd80709

            SHA256

            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

            SHA512

            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

            1f7bccc57d21a4bfeddaafe514cfd74d

            SHA1

            4dab09179a12468cb1757cb7ca26e06d616b0a8d

            SHA256

            d4cb7377e8275ed47e499ab0d7ee47167829a5931ba41aa5790593595a7e1061

            SHA512

            9e639c777dc2d456f038c14efb7cbc871ceb1d7380a74d18fb722a28901357ccb1166c0d883562280e030f0252004ca13a1371ea480d0523c435cd0a6d9f43d8

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

            1f7bccc57d21a4bfeddaafe514cfd74d

            SHA1

            4dab09179a12468cb1757cb7ca26e06d616b0a8d

            SHA256

            d4cb7377e8275ed47e499ab0d7ee47167829a5931ba41aa5790593595a7e1061

            SHA512

            9e639c777dc2d456f038c14efb7cbc871ceb1d7380a74d18fb722a28901357ccb1166c0d883562280e030f0252004ca13a1371ea480d0523c435cd0a6d9f43d8

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

            9cd6a0b8c9a5bb4a76012d00a087f55b

            SHA1

            50649172777c06679f5fd1f74c4c8a7e02226f92

            SHA256

            14ecc64fff15d0bc545c9952588fad53e7f28565c0d391cfb4aedc35c727fb02

            SHA512

            96f96024aae77692bb611e91eb4eba823baf7ab49eef4e12ce550b39e6a4014116ee6f59b783fb54740104718f26eefab80a8d18463313ed2286286627f8417d

            Download Submit
          • memory/648-4-0x0000000004FA0000-0x0000000004FBB000-memory.dmp
            Filesize

            108KB

            Download
          • memory/648-0-0x00000000730E0000-0x00000000737CE000-memory.dmp
            Filesize

            6.9MB

            Download
          • memory/648-3-0x0000000005040000-0x0000000005041000-memory.dmp
            Filesize

            4KB

            Download
          • memory/648-1-0x0000000000790000-0x0000000000791000-memory.dmp
            Filesize

            4KB

            Download
          • memory/1240-15-0x0000000000000000-mapping.dmp
            Download
          • memory/1472-10-0x0000000000000000-mapping.dmp
            Download
          • memory/1780-17-0x0000000000000000-mapping.dmp
            Download
          • memory/2032-14-0x0000000000000000-mapping.dmp
            Download
          • memory/2336-5-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/2336-9-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/2336-6-0x000000000040A9D0-mapping.dmp
            Download
          • memory/3644-18-0x0000000000000000-mapping.dmp
            Download
          • memory/3744-16-0x0000000000000000-mapping.dmp
            Download
          • memory/3844-12-0x0000000000000000-mapping.dmp
            Download
          • memory/4088-11-0x0000000000000000-mapping.dmp
            Download