Overview

overview

10

Static

static

3

575f502510...b4.exe

windows7-x64

10

575f502510...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 18:21

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General

  • Target

    575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.exe

  • Size

    92KB

  • MD5

    029b9543eedadb6b07be801f6813dbaa

  • SHA1

    f83b6342fb36b3b183aefd7755f29edc45915aa9

  • SHA256

    575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4

  • SHA512

    0a84a5d688a3972150f57093c7acdfb4e2195d56832114d45023b626498966bb2fe813c05de39463db75016bf461017a082ea8a317ada9bcbb2b7f13699ef6de

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4A6+bBqsG/HKF5K/bDAWtppZSS:Qw+asqN5aW/hL7A6KjsopZN

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All FILES ENCRYPTED "RSA1024" All YOUR FILES HAVE BEEN ENCRYPTED!!! IF YOU WANT TO RESTORE THEM, WRITE US TO THE E-MAIL offtitan@protonmail.com IN THE LETTER WRITE YOUR ID, YOUR ID D01450D7 IF YOU ARE NOT ANSWERED, WRITE TO EMAIL: offtitan@cock.li YOUR SECRET KEY WILL BE STORED ON A SERVER 7 DAYS, AFTER 7 DAYS IT MAY BE OVERWRITTEN BY OTHER KEYS, DON'T PULL TIME, WAITING YOUR EMAIL FREE DECRYPTION FOR PROOF 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.) DECRYPTION PROCESS: When you make sure of decryption possibility transfer the money to our bitcoin wallet. As soon as we receive the money we will send you: 1. Decryption program. 2. Detailed instruction for decryption. 3. And individual keys for decrypting your files. !WARNING! 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

offtitan@protonmail.com

offtitan@cock.li

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
  • Renames multiple (311) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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.

    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).

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.exe
    "C:\Users\Admin\AppData\Local\Temp\575f5025100185183eb2eff4b301f25402973b72fbd4e3ba84a7dac0b89ca4b4.exe"
    1⤵
    • 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:2488
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2548
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2736
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3548
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4392
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1816
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:1496
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:2328
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2712

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Resource Development

      Reconnaissance

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id-D01450D7.[offtitan@protonmail.com].bat
        Filesize

        143.1MB

        MD5

        27fb29aeb86e1af6b26ac93c932704eb

        SHA1

        3e5bbec68cae4f97fda2694cd73fbdd18d1bd0e5

        SHA256

        3fa6e6ec72805a309e2d8e6a7c86e93c2bf7ad0183e7f7d8ae57be281781fe34

        SHA512

        42265dca7781979c878b5219cf08ccc86dd4a7bf3d29391a6ae57b781f535b258788a6c17653bf68fe8ce9029394f39a825f6b9d098e2f37c57cd0952cbf3049

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      • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
        Filesize

        13KB

        MD5

        d4384c2e8929d970f573719d8f7c1376

        SHA1

        4247ed492b5b047371992e2f19f4d407b72dea0a

        SHA256

        c8c2d1bca9d6a74cdb80e4b3b56f07ef0f6bfa2e8fd43c828d3694093aa0eeea

        SHA512

        5e3d50bde6a1542f5f1c081e4f332b8d512f595f935d5c0d47020ddf23737e58c18563e6191bcb573f3a2ebbf3771a181b06a0152d51608553aa5bf05f9cfc05

        Download Submit
      • memory/1496-20253-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
        Filesize

        64KB

        Download