Overview

overview

10

Static

static

2023-01-21...is.exe

windows7-x64

10

2023-01-21...is.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2023 09:17

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General

  • Target

    2023-01-21_be47139183c40fceb264c6946627b93f_crysis.exe

  • Size

    92KB

  • MD5

    be47139183c40fceb264c6946627b93f

  • SHA1

    06f645d6afc2f909dbdf61c0982dcd74126bc5f5

  • SHA256

    b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300

  • SHA512

    eebd19694a2ac660c89ad2b323c7b871deaa3099065c8298d5135b3ce1bb56d751cb049b55099ffe78c54eb2a00561970dfdd184dde950534433b26c47696a73

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AeAI3cCVuogqtNp6XNUS7fvUHkd:Qw+asqN5aW/hLdIseKqtneN7X0M

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 becky.cely2@aol.com Write this ID in the title of your message 9CD26878 In case of no answer in 24 hours write us to theese e-mails: nikki.lond2@aol.com 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 5 files for free decryption. The total size of files must be less than 10Mb (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

becky.cely2@aol.com

nikki.lond2@aol.com

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
  • 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 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-01-21_be47139183c40fceb264c6946627b93f_crysis.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-01-21_be47139183c40fceb264c6946627b93f_crysis.exe"
    1⤵
    • 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:1892
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2428
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1304
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5096
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3952
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2636
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:4076
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:4312
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2912

          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

            525bb93742d5254e2cef03598c90dad9

            SHA1

            915002397cd5b67bf5e9434f2fee9b72174b5b87

            SHA256

            5508bfac6b950123fa1f696c9ff863caf6633ed23fd6dffe17c7d02ec4b2a432

            SHA512

            6062138c3b2c1fc199101fd7a2855aeeec106730b9b1257985d7fa4ffb73f961b73832174f53ce0d9f5dfb085e09a276764e5b00380c091b7609bbd0cd730c5d

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

            13KB

            MD5

            525bb93742d5254e2cef03598c90dad9

            SHA1

            915002397cd5b67bf5e9434f2fee9b72174b5b87

            SHA256

            5508bfac6b950123fa1f696c9ff863caf6633ed23fd6dffe17c7d02ec4b2a432

            SHA512

            6062138c3b2c1fc199101fd7a2855aeeec106730b9b1257985d7fa4ffb73f961b73832174f53ce0d9f5dfb085e09a276764e5b00380c091b7609bbd0cd730c5d

            Download Submit
          • memory/1084-132-0x0000000000000000-mapping.dmp
            Download
          • memory/1304-134-0x0000000000000000-mapping.dmp
            Download
          • memory/2428-133-0x0000000000000000-mapping.dmp
            Download
          • memory/2636-137-0x0000000000000000-mapping.dmp
            Download
          • memory/3952-136-0x0000000000000000-mapping.dmp
            Download
          • memory/4076-138-0x0000000000000000-mapping.dmp
            Download
          • memory/4312-139-0x0000000000000000-mapping.dmp
            Download
          • memory/5096-135-0x0000000000000000-mapping.dmp
            Download