Overview

overview

10

Static

static

372dc363e3...9d.exe

windows7_x64

10

372dc363e3...9d.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    26-06-2022 00:11

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General

  • Target

    372dc363e3dcc4399b84f1c2e594e698bc1e65b9baf853dc1209ddaad52dde9d.exe

  • Size

    222KB

  • MD5

    765e03856ba709f12220f31638ae237c

  • SHA1

    6283d47cc404e866c7f68a0cebc71527ef31aecb

  • SHA256

    372dc363e3dcc4399b84f1c2e594e698bc1e65b9baf853dc1209ddaad52dde9d

  • SHA512

    45763abf8a8984117a5351b1d32af3df618d86fba35e8dd74be4c9f4c031c79eb72d423ccbb70287fd8a697b962cebb3164b49889b839ebdbde8eb3f6263be2e

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 925FBE5B 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
  • 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\372dc363e3dcc4399b84f1c2e594e698bc1e65b9baf853dc1209ddaad52dde9d.exe
    "C:\Users\Admin\AppData\Local\Temp\372dc363e3dcc4399b84f1c2e594e698bc1e65b9baf853dc1209ddaad52dde9d.exe"
    1⤵
    • 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:4052
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4892
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1720
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:632
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:280
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1172
        • 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:1824
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4088
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1992

          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

            36d43455f9070030207c2a947caa0bf4

            SHA1

            a2772e08283f8a955d084b10f6d98ba51af4fc41

            SHA256

            185f633d8e32210cfda62cb03ea3d4bb4335bee5b2f82ee57d9d326014c03139

            SHA512

            4bf31fadfd70582cfb3ddddbc71194c2020df1fc124fdbf985ac577030df07f06aefed56ca44872c77672afd67ddf6cd0e74dbc0b767f8a16d6763cd2b23c61f

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

            13KB

            MD5

            36d43455f9070030207c2a947caa0bf4

            SHA1

            a2772e08283f8a955d084b10f6d98ba51af4fc41

            SHA256

            185f633d8e32210cfda62cb03ea3d4bb4335bee5b2f82ee57d9d326014c03139

            SHA512

            4bf31fadfd70582cfb3ddddbc71194c2020df1fc124fdbf985ac577030df07f06aefed56ca44872c77672afd67ddf6cd0e74dbc0b767f8a16d6763cd2b23c61f

            Download Submit
          • memory/280-138-0x0000000000000000-mapping.dmp
            Download
          • memory/632-137-0x0000000000000000-mapping.dmp
            Download
          • memory/1172-139-0x0000000000000000-mapping.dmp
            Download
          • memory/1720-135-0x0000000000000000-mapping.dmp
            Download
          • memory/1824-140-0x0000000000000000-mapping.dmp
            Download
          • memory/2632-130-0x0000000000000000-mapping.dmp
            Download
          • memory/4052-133-0x0000000000400000-0x0000000000528000-memory.dmp
            Filesize

            1.2MB

            Download
          • memory/4052-136-0x0000000000737000-0x000000000074A000-memory.dmp
            Filesize

            76KB

            Download
          • memory/4052-132-0x0000000000650000-0x0000000000669000-memory.dmp
            Filesize

            100KB

            Download
          • memory/4052-131-0x0000000000737000-0x000000000074A000-memory.dmp
            Filesize

            76KB

            Download
          • memory/4088-141-0x0000000000000000-mapping.dmp
            Download
          • memory/4892-134-0x0000000000000000-mapping.dmp
            Download