Overview

overview

10

Static

static

3

2024-11-22...ia.exe

windows7-x64

10

2024-11-22...ia.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 19:25

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General

  • Target

    2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe

  • Size

    323KB

  • MD5

    fcd522ea627ddb3d9a49a2c8b938ef6a

  • SHA1

    a6a7186701bdd088c0a0aa0d879121bcdd9f60c0

  • SHA256

    6f88f48ff68b6d6c6f66e6af25bd0bcf0071d9b224a696f0119a7469d9036e66

  • SHA512

    c96dc8672fbc1e668f08c7ae0462151a9637aa34e83fb9f9e639ce8001520523c7fbe9dcb3054173619fbaf1aa648d59b4576125b5703dcd575e22dba500bd51

  • SSDEEP

    6144:aYqx+m2rmz45BWJZr+qPMbQ2XeyQBXqMZwhI1I5fWR26fGuA9Z5x:3qx+m2S4v8rfPIQ2dE1IAR299Z

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 72F76524 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 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.

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 (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 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 4 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 30 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\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4300
      • C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe
        C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3300
        • C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe
          "C:\Users\Admin\AppData\Local\Temp\2024-11-22_fcd522ea627ddb3d9a49a2c8b938ef6a_mafia.exe"
          4⤵
          • 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:4472
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3004
            • C:\Windows\system32\mode.com
              mode con cp select=1251
              6⤵
                PID:5328
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                6⤵
                • Interacts with shadow copies
                PID:2996
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:8188
              • C:\Windows\system32\mode.com
                mode con cp select=1251
                6⤵
                  PID:3068
                • C:\Windows\system32\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  6⤵
                  • Interacts with shadow copies
                  PID:3620
              • C:\Windows\System32\mshta.exe
                "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                5⤵
                  PID:7404
                • C:\Windows\System32\mshta.exe
                  "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                  5⤵
                    PID:5208
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5388

          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

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-72F76524.[[email protected]].java
            Filesize

            2.7MB

            MD5

            961eadb53177e18ad6a7e0f97c4178b8

            SHA1

            005e1f3a89647a85f4531cf25a87052e837b906b

            SHA256

            fe4aaff0b456c951871cd135c386e24ee9361b8dc7aaa596daff7aa8da17ceaf

            SHA512

            6c83dcd38d3beec1406f8d8b67111faa0186c85399c5ca069eea41c8a4ba08103e83d29673854e980d2f48a06e707979745ff770e5222229d9ff4daa1144e416

            Download Submit

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

            13KB

            MD5

            be1cb348a8661edb5d174f55d17ea470

            SHA1

            2b392c1c6eaa13c4e7c041fb003a2784e4833e6f

            SHA256

            b5b460c748c5979ffb2c23ceee60aa86f0904ebaa9c573f5666ac0afa6ecfd15

            SHA512

            333ffcc13a46ba5457b0468583cd54fd9aa5f17f701f424ff2ca3818bd955f88519d3cd97d7ad0355db4b6de019ad0988b5994133dc9f8ca0e13be6819609bf1

            Download Submit

          • memory/4472-0-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/4472-3-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/4472-2-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/4472-14-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/4472-12-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/4472-7-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download