Overview

overview

10

Static

static

3

ed4a878550...18.exe

windows7-x64

10

ed4a878550...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 09:22

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General

  • Target

    ed4a8785508ccc5fb00eb036c170ca41_JaffaCakes118.exe

  • Size

    349KB

  • MD5

    ed4a8785508ccc5fb00eb036c170ca41

  • SHA1

    388b15fcb3754b12e299a38fe0985aa55b6f81cd

  • SHA256

    a2fb7c7b2f664b89e7c6adf7a64372f4ec4010f2c6499d91157d528c7e41d2f6

  • SHA512

    30c4b65833f42744b33fc553a3195c21eb6317d911ac28b0e16acf6b1eedf2c87f0ee99595e3096bc776947f9084babefe28098fd869789627c6713ec839eb83

  • SSDEEP

    6144:z/FC+4Lks//NPXGOuexhgB6wlw+oo9RXjcAG:z/FC+Ls/gOuJ1ljo2RQL

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 165D347E 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
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

    credential_accessstealer
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (518) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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
  • 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 1 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 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\ed4a8785508ccc5fb00eb036c170ca41_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ed4a8785508ccc5fb00eb036c170ca41_JaffaCakes118.exe"
    1⤵
    • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4144
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5672
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8388
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6708
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:7112
        • 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:8072
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:8116
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3588

          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

          1
          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

          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:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-165D347E.[[email protected]].bot
            Filesize

            2.7MB

            MD5

            d6a50cac2838b8d29c7ac062f27a01ea

            SHA1

            3e43dcceb3b81ab8f13a3b670761fc08e0651d01

            SHA256

            fb11510f7e21734abeb5b54dbfa5a18db4d3662f1e5ce69eca794e9e4c7431bd

            SHA512

            d74cd27b3b0d90def68db8180d70cd9bdfaceb4c0b31ab44cbe3b52b79c36af3e06d4f84ffebf19841470aa139cd2c5c9e204d17fbcd880d6e56109e8aa05fba

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

            13KB

            MD5

            894e7c23fde366039d7b3259879ba0aa

            SHA1

            c1d5b513550a45711161b6ccd9646b0739b3c9af

            SHA256

            4dbdb1fcbc262b715da266cda37596f442791a2a947205ae0cf16848ea5e23d4

            SHA512

            819cdb503610ff401f8ff3e5bce7df88ecb6021fbe782b0a3292f2ce653aa5fc63519e6a3ce31232723fa811ba6b8984e86e32892e6521b4c37bde809eb2539e

            Download Submit

          • memory/4932-1580-0x0000000000400000-0x0000000001400000-memory.dmp

            Filesize

            16.0MB

            Download