Overview

overview

10

Static

static

5

order.exe

windows7-x64

10

UGH CRYSIS RANSOm.exe

windows7-x64

10

crusususus...is.exe

windows7-x64

6

crysisisis.exe

windows7-x64

9

encrypt da ct.exe

windows7-x64

10

i dunno i ...om.exe

windows7-x64

10

i no crysi...it.exe

windows7-x64

10

im gonna cry sis.exe

windows7-x64

10

omg its fu...IS.exe

windows7-x64

10

why crysis...as.exe

windows7-x64

10

Analysis

  • max time kernel
    85s
  • max time network
    63s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 18:55

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General

  • Target

    encrypt da ct.exe

  • Size

    496KB

  • MD5

    d04bd9640cf05c1d8ec150b8ec3dea9d

  • SHA1

    9f1d2b477e072b993144df959e46bff88885d161

  • SHA256

    7b3e28d2f4946196b60ac5feb807984cc6ea82ef7ab535dbc291707c19e8eb69

  • SHA512

    806ccb9ab75e0b0fd41bc6d1b9de3be1e58f75a8af3db1bffbb9c1137a40e49587c6fad8eb8c1dfae89aef5b23a90e2bbadfb02ff9600557e398d67407730542

  • SSDEEP

    6144:wYiWcGsEld6itHpoNu6HwcDK1668T1wGTtE2hmDnVBjrvNtwNoI:wYSEj6itHp6JHwMc6/+2oDnXe1

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

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 [email protected] Write this ID in the title of your message 677A96F2 In case of no answer in 24 hours write us to theese e-mails: [email protected] 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.

Signatures

  • Dharma

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

    ransomwaredharma
  • Dharma family
    dharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (316) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 3 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
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 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 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 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\encrypt da ct.exe
    "C:\Users\Admin\AppData\Local\Temp\encrypt da ct.exe"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\encrypt da ct.exe
      "C:\Users\Admin\AppData\Local\Temp\encrypt da ct.exe"
      2⤵
      • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1872
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:1984
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1332
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2368
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:2604
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:3600
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:480
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            PID:4048
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1588

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      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

      Direct Volume Access

      1
      T1006

      Indicator Removal

      2
      T1070

      File Deletion

      2
      T1070.004

      Modify Registry

      2
      T1112

      Credential Access

      Credentials from Password Stores

      2
      T1555

      Credentials from Web Browsers

      1
      T1555.003

      Windows Credential Manager

      1
      T1555.004

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Browser Information Discovery

      1
      T1217

      Peripheral Device Discovery

      1
      T1120

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Exfiltration

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-677A96F2.[[email protected]].money
        Filesize

        24.4MB

        MD5

        1d52cf6ba8c8f44a9f8c98200ebae3f4

        SHA1

        8b4a1d59cad8064f62f8f154b7270620f127eec7

        SHA256

        f13accaa1b47a259fece41f13dd93d9ea8b4a133e0aa7194910f169279b28902

        SHA512

        ba2d11961ed0bb79eca19e2ca2496fcedc576a35f2d1cb267000a31b0d0e9f4168d945bc012c1a205a63de7ecc0472218a0beacdc1be64ad136c6541106a496b

        Download Submit

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

        13KB

        MD5

        3c5d9fa8751b527b6905492142ff1062

        SHA1

        51b5a9af10f63b39c43c92adbfe171d4c2549f1a

        SHA256

        32f0dca80cfd87872d84e88840918acc49051f14e030f42d746bf24c7431a4a6

        SHA512

        9cef0cf53f6e8a8a161fa2357bab6f677face3b6ec0bff9b476825efb6cbc4b53c87e6643b9a81fb8c37eec0134353ef6ae364c966ba1d6c01676c9a6d8f00f2

        Download Submit

      • memory/480-20244-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/2624-12977-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2700-0-0x0000000000400000-0x0000000000481000-memory.dmp

        Filesize

        516KB

        Download

      • memory/2700-1-0x00000000002C0000-0x00000000002C1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2700-2-0x00000000002C0000-0x00000000002C1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2700-3-0x0000000000590000-0x00000000005BD000-memory.dmp

        Filesize

        180KB

        Download

      • memory/2700-26-0x0000000000590000-0x00000000005BD000-memory.dmp

        Filesize

        180KB

        Download

      • memory/2700-25-0x0000000000400000-0x0000000000481000-memory.dmp

        Filesize

        516KB

        Download