Overview

overview

10

Static

static

e7c07f9ed7...e2.exe

windows7-x64

10

e7c07f9ed7...e2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2022 22:31

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General

  • Target

    e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe

  • Size

    218KB

  • MD5

    86e43b97d07548d1910a58c20058c74b

  • SHA1

    f5d0274f1f1e28a6ce4928255a8f10cacfded006

  • SHA256

    e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2

  • SHA512

    3269a54b317c477801064dd8a70da8fed69bc3c2b35f460824238bf24840235188c462a92c93404adf39f47b756b90d9a7eb471168d1b64e87fc6a1e14d230a2

Score
10/10
dharmapersistenceransomwarespywarestealer

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 admin@sectex.net Write this ID in the title of your message D5BDA174 In case of no answer in 24 hours write us to theese e-mails: admin@sectex.world 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

admin@sectex.net

admin@sectex.world

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe
    "C:\Users\Admin\AppData\Local\Temp\e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • 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:4768
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2460
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4280
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3244
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3824
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2948
        • 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:3188
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:1752
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2028

          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

          Query Registry

          1
          T1012

          System Information Discovery

          2
          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
            Filesize

            13KB

            MD5

            4b4a52138a3c35bfe0559d5112ca8dd4

            SHA1

            04611375bae6db9c198fb1a15a02886160cd7a47

            SHA256

            43b661ebf24e9507ea26f88a5b77e18bdcecf1967422e013701546f786df583f

            SHA512

            776de4e46e85bd83c3b2e456dfe1f34f093e5ca3c0f203b43f95966caa6794e8824c85567ee10a75a5c61b345726935c31a1bf46f770a466016c9f2901e4a5f1

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

            13KB

            MD5

            4b4a52138a3c35bfe0559d5112ca8dd4

            SHA1

            04611375bae6db9c198fb1a15a02886160cd7a47

            SHA256

            43b661ebf24e9507ea26f88a5b77e18bdcecf1967422e013701546f786df583f

            SHA512

            776de4e46e85bd83c3b2e456dfe1f34f093e5ca3c0f203b43f95966caa6794e8824c85567ee10a75a5c61b345726935c31a1bf46f770a466016c9f2901e4a5f1

            Download Submit
          • memory/1752-141-0x0000000000000000-mapping.dmp
            Download
          • memory/1976-130-0x0000000000000000-mapping.dmp
            Download
          • memory/2460-131-0x0000000000000000-mapping.dmp
            Download
          • memory/2948-139-0x0000000000000000-mapping.dmp
            Download
          • memory/3188-140-0x0000000000000000-mapping.dmp
            Download
          • memory/3244-137-0x0000000000000000-mapping.dmp
            Download
          • memory/3824-138-0x0000000000000000-mapping.dmp
            Download
          • memory/4280-134-0x0000000000000000-mapping.dmp
            Download
          • memory/4768-132-0x0000000004F2D000-0x0000000004F40000-memory.dmp
            Filesize

            76KB

            Download
          • memory/4768-136-0x0000000004F2D000-0x0000000004F40000-memory.dmp
            Filesize

            76KB

            Download
          • memory/4768-135-0x0000000000400000-0x0000000004E8F000-memory.dmp
            Filesize

            74.6MB

            Download
          • memory/4768-133-0x0000000006BC0000-0x0000000006BD9000-memory.dmp
            Filesize

            100KB

            Download