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
    52s
  • max time network
    16s
  • 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

    im gonna cry sis.exe

  • Size

    390KB

  • MD5

    55930ef259fa602f9bbe266a6e8dd158

  • SHA1

    f54af827410eb2ad8a85538e56280a3e191a58e5

  • SHA256

    eb4168396a082431fa7083533e14c6422aadba6c5ca76119cd855d40289b5aab

  • SHA512

    acbba2a00e5f4f1c75128df64577623fce7d4146127a850aea8edb6949283d39487fdef30ac749ad29fcc0ed8b0f89abe4b8c1576720d5529a9556e764ba64ff

  • SSDEEP

    12288:vW10ZHF+GKhI6mPGHM3ZH7KV4luGqR7MOXf1e0/V:vlHFiW3uVqo7MOP1egV

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\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 9C174CBE 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 (312) 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
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 60 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\im gonna cry sis.exe
    "C:\Users\Admin\AppData\Local\Temp\im gonna cry sis.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\im gonna cry sis.exe
      "C:\Users\Admin\AppData\Local\Temp\im gonna cry sis.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:2404
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:2496
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:2484
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3316
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:3080
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:3084
          • 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:3192
          • 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:3224
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /4
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2000
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1272

      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

      System Information Discovery

      1
      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\OWOW64WW.cab.id-9C174CBE.[[email protected]].bot
        Filesize

        23.5MB

        MD5

        12661ee61af3d120cb7dfaac90b30443

        SHA1

        1f7b4bda1b800f681050e08bb2cdccc94e75813c

        SHA256

        fcc4a7d6938f6bf55c0533bc537581b3757f6a80db8b6edd54f3b4bb79b5f647

        SHA512

        e58ac3f7824eb533845cef86a81dfe7ae36d5c2646fd5b45e0c09259aa434edbbc6df2d2a90ce8a9187e407464dc566f230476dd2139285029084ba8e4072bbc

        Download Submit

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

        13KB

        MD5

        0cda0e6c7d1095eee7d73aa19e5766b9

        SHA1

        297b7c9aa9a40440b7fb8664f08fcf40def8b146

        SHA256

        60beefb4b2fe11f2ae53caaafcc2c85619184edfff7e1fc05a24b685c7f4884e

        SHA512

        da467a9307a05f267d13b3248130704cd7309673ecebf47d238fd24a79d1df84f0dfd64f29af7bf7f3c9c204668e50f21f71da272e55cf59f87747800d67ab52

        Download Submit

      • memory/1716-0-0x0000000000400000-0x0000000000466000-memory.dmp

        Filesize

        408KB

        Download

      • memory/1716-3-0x0000000001EB0000-0x0000000001F30000-memory.dmp

        Filesize

        512KB

        Download

      • memory/1716-59-0x0000000001EB0000-0x0000000001F30000-memory.dmp

        Filesize

        512KB

        Download

      • memory/2000-3274-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-2-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-15270-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-15323-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-1-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-20241-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2000-20242-0x0000000140000000-0x00000001405E8000-memory.dmp

        Filesize

        5.9MB

        Download

      • memory/2404-11491-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/3192-20238-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download