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
    150s
  • max time network
    150s
  • 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 19:36

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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:\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 A5E3C178 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 (519) 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:1092
    • 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:2520
      • 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:3340
        • 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:3700
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4692
            • C:\Windows\system32\mode.com
              mode con cp select=1251
              6⤵
                PID:6404
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                6⤵
                • Interacts with shadow copies
                PID:6452
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:5008
              • C:\Windows\system32\mode.com
                mode con cp select=1251
                6⤵
                  PID:5788
                • C:\Windows\system32\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  6⤵
                  • Interacts with shadow copies
                  PID:3504
              • 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:5528
                • C:\Windows\System32\mshta.exe
                  "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                  5⤵
                    PID:8420
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5916

          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-A5E3C178.[[email protected]].java
            Filesize

            2.7MB

            MD5

            a1dfd324287b81bfdd3e6f9965e1ce9b

            SHA1

            78d153ff3b8035f2f56025a21af72d97949f5d5d

            SHA256

            93469c8257d081e56c34d38e8b0ea1ed49929869c15b62d1f2429ff3d8196adc

            SHA512

            140d1b4ea4ce83b5a4db46738ecaea99eb25b4d000b680368d1965d58aa0dfc62f22eb90eb364587125615c0305c091ed97231f17afa926cb1579b50b1b02bdb

            Download Submit

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

            13KB

            MD5

            18934ae8c47d8bc26cd29724988e5de8

            SHA1

            fbdf14a7b53ba80aa7c12319d56b45fa8f54f54c

            SHA256

            980892253a5b537f4b06b102bd0d301eb7a34e31ba8e81232d9e1205c9388e79

            SHA512

            a8eeb531c03a04b975863c3884880e950ffb26cac8e6934c2f0f1bfc1a23e942ef814e2ba8090961770de8865aabd0023faa1e899969784b3569ec77428566af

            Download Submit

          • memory/3700-0-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/3700-3-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/3700-2-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/3700-7-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/3700-15-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download