Overview

overview

10

Static

static

10

2024-06-12...ma.exe

windows7-x64

10

2024-06-12...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 14:50

Sharing

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General

  • Target

    2024-06-12_b7840237ed34351f79bbf3351bf7e5e3_crysis_dharma.exe

  • Size

    92KB

  • MD5

    b7840237ed34351f79bbf3351bf7e5e3

  • SHA1

    b9ff29530db012fc7a323aa90eefc29d6238036e

  • SHA256

    d8f545d5d757afdbe4bcb33bd8007810b5a890752f3d8e295b309dd05783bb54

  • SHA512

    ff75642237040d83b67e56412c7a93cc2f97110726b7d876a48f6b300f4fa03c42ba0cd65347b34cc43413dcdd52c7ab03863eee32562b695ce0f1290864bb49

  • SSDEEP

    1536:GBwl+KXpsqN5vlwWYyhZ9S4As4yxgrrMjNN5Pw0Pv7i+1ZvqwaC:ww+asqN5aW/hSG4yxgrrMjNN5Pw27XbK

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: zombietry4o3nzeh.onion/?ticket=6aWH6i3Gxp3cXPpqzl_DF412234 Use Tor Browser to access this address. If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] 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.
URLs

http://zombietry4o3nzeh.onion/?ticket=6aWH6i3Gxp3cXPpqzl_DF412234

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (320) 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\2024-06-12_b7840237ed34351f79bbf3351bf7e5e3_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_b7840237ed34351f79bbf3351bf7e5e3_crysis_dharma.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:1476
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2620
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2180
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1040
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1796
        • 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:2928
        • 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:1548
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2500

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Initial Access

      Execution

      Windows Management Instrumentation

      1
      T1047

      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

      Loading Replay Monitor...

      Downloads

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

        7KB

        MD5

        3a88882d3e0b7768482f1a11ff113230

        SHA1

        791a3c41ea98c453cdd99030d4433caed00190b1

        SHA256

        4665df82761fc21ad46b4dc79a80b93c7e922b36229466f58305402223cd06b4

        SHA512

        1fe0cd5b5c163474fb69ed62b8cb3f19de438b285148d5d7696055ead008b87e828cefa65251c8e6417367a6753f2a64a885f70449e17b9e777afbef5d3438f2

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