Overview

overview

10

Static

static

30140a3a44...ba.exe

windows7-x64

10

30140a3a44...ba.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2022 14:36

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General

  • Target

    30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe

  • Size

    702KB

  • MD5

    21d82a5c9d977f7c5c5015829c321a13

  • SHA1

    ffb493214fd5ac83f2a628bc0e15f5a060c36ffc

  • SHA256

    30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba

  • SHA512

    91e5480b1e9d329c411f62c4eb99bfeda6161e07cb238acf3b00073e4d6cdadc9c1d6859561a5135833f585b5026228b063ab3aff81ff04f9534c31b08a99c34

  • SSDEEP

    12288:5IODa1GPYOBsDMOUaIQpGyEV3T5W241YgNxMmDsbiYltjHR7r4w9QvbfsZ6jlPm5:5IO+aYxHjpYT5s1YgNxMmDsbiYltjHRj

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@stex777.com Write this ID in the title of your message EEA62022 In case of no answer in 24 hours write us to theese e-mails: admin@stex777.xyz 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@stex777.com

admin@stex777.xyz

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
  • Suspicious use of SetThreadContext 1 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 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
    "C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
      C:\Users\Admin\AppData\Local\Temp\30140a3a441d4d92bc78e6726d9de9a293e83f812c16658222c32ce408c453ba.exe
      2⤵
      • 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:1980
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2976
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:3204
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:3324
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1812
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:3700
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:4412
          • 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:4156
            • C:\Windows\System32\mshta.exe
              "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
              3⤵
                PID:744
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2056

          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

            06518ae03ece8fee72345a23ba7cf26c

            SHA1

            d12c994ce6c01095abbff5e9c75536a1b0bb427c

            SHA256

            4c3bec9fcdf522aed5a2a6fa24b612ebb6bd12f870b9e88ff3bf16bc5b43f5c7

            SHA512

            609097f794a789ca5547f221d8c3fc2526d9bfacb00eddfdb3e78f3ec18fbf36b33ae8c6f8e52499a42f24b719a54697eb4d2ea90ca8993f1a7777f802cc543f

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

            13KB

            MD5

            06518ae03ece8fee72345a23ba7cf26c

            SHA1

            d12c994ce6c01095abbff5e9c75536a1b0bb427c

            SHA256

            4c3bec9fcdf522aed5a2a6fa24b612ebb6bd12f870b9e88ff3bf16bc5b43f5c7

            SHA512

            609097f794a789ca5547f221d8c3fc2526d9bfacb00eddfdb3e78f3ec18fbf36b33ae8c6f8e52499a42f24b719a54697eb4d2ea90ca8993f1a7777f802cc543f

            Download Submit
          • memory/628-132-0x0000000002AF0000-0x0000000002B23000-memory.dmp
            Filesize

            204KB

            Download
          • memory/744-147-0x0000000000000000-mapping.dmp
            Download
          • memory/1812-143-0x0000000000000000-mapping.dmp
            Download
          • memory/1980-133-0x0000000000000000-mapping.dmp
            Download
          • memory/1980-134-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/1980-139-0x0000000000400000-0x0000000000419000-memory.dmp
            Filesize

            100KB

            Download
          • memory/2976-140-0x0000000000000000-mapping.dmp
            Download
          • memory/3204-141-0x0000000000000000-mapping.dmp
            Download
          • memory/3324-142-0x0000000000000000-mapping.dmp
            Download
          • memory/3700-144-0x0000000000000000-mapping.dmp
            Download
          • memory/4156-146-0x0000000000000000-mapping.dmp
            Download
          • memory/4412-145-0x0000000000000000-mapping.dmp
            Download