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
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 3CE9D6C8 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 (314) 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 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
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 45 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:2348
    • 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:2284
      • 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:760
        • 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⤵
          • 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:348
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1712
            • C:\Windows\system32\mode.com
              mode con cp select=1251
              6⤵
                PID:1096
              • C:\Windows\system32\vssadmin.exe
                vssadmin delete shadows /all /quiet
                6⤵
                • Interacts with shadow copies
                PID:600
            • C:\Windows\system32\cmd.exe
              "C:\Windows\system32\cmd.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1836
              • C:\Windows\system32\mode.com
                mode con cp select=1251
                6⤵
                  PID:1600
                • C:\Windows\system32\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  6⤵
                  • Interacts with shadow copies
                  PID:1592
              • C:\Windows\System32\mshta.exe
                "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                5⤵
                • Modifies Internet Explorer settings
                PID:2680
              • C:\Windows\System32\mshta.exe
                "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
                5⤵
                • Modifies Internet Explorer settings
                PID:1768
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2216

      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-3CE9D6C8.[[email protected]].java
        Filesize

        23.5MB

        MD5

        3b0798e39cd67068d84751de7bdedcd9

        SHA1

        064e9aedb05ed8364fc1fb2b089d4bf6857570d8

        SHA256

        e5eae37dfde9cf012821149349cb551415b2783ce5f5658845ff8e1c996dd34b

        SHA512

        2e9877069f1bbe5b20dabe610027ff18827c57e56e302f774f5e496552d3dc44ba0df426520a32279dbbd1b5af35f712f292001b4e18834583bd4ae9f9596748

        Download Submit

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

        13KB

        MD5

        b665da96c34a4f3b55fdf9d35d702d66

        SHA1

        441987cd7e08d0c3ed5dfd7947dc613cae94be3d

        SHA256

        b00b3cd2b697149ebf5aab5cb982b3a0bf2e0bd4f47a4c657071017779fa8fd2

        SHA512

        af37f89bb329a1e5f389c226a98cf07af5d0130b53e6f6e07b4636dfc5507a3ad376de1b72fbaceb369c5f4a57e5a755653b29603275ac3862d906d82ce4330e

        Download Submit

      • memory/348-2-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-15-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-14-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-11-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-10-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-7-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-3-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/348-0-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download