Overview

overview

10

Static

static

3

Rack/023f6...10.exe

windows7-x64

10

Rack/311d0...c2.exe

windows7-x64

9

Rack/47f84...1f.exe

windows7-x64

9

Rack/5578d...e5.exe

windows7-x64

9

Rack/5606c...56.exe

windows7-x64

Rack/62354...c9.exe

windows7-x64

10

Rack/666a3...e6.exe

windows7-x64

10

Rack/6a08b...68.exe

windows7-x64

5

Rack/73809...4e.exe

windows7-x64

10

Rack/849eb...7c.exe

windows7-x64

Rack/8afc5...7e.exe

windows7-x64

9

Rack/d4d53...91.exe

windows7-x64

10

Rack/e4ea7...8a.exe

windows7-x64

9

Rack/e5876...5c.exe

windows7-x64

9

Rack/e98b1...8d.exe

windows7-x64

10

Rack/fc330...dd.exe

windows7-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 23:49

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General

  • Target

    Rack/666a3daa2ef51e1b14e0abeddecce8ba836a27cc37781899c88a3b6f328d17e6.exe

  • Size

    323KB

  • MD5

    dfe0390e501faf0de5ba5093304e8ac2

  • SHA1

    266ca584a811b8ccd4d513a0b007d206575a60a9

  • SHA256

    666a3daa2ef51e1b14e0abeddecce8ba836a27cc37781899c88a3b6f328d17e6

  • SHA512

    0423b083ada2a6c201cf777d14e74e73d9484c9f34f8681e86e4265e80ee50a5c454c55c5d6e9dbc858abeb97c28bd51d44fe4dd113a7a54ebe6a15241de7373

  • SSDEEP

    6144:7/nQNudGK9+oNitAoYdbmTE/T69Jozt6RshzlaydO5YtPIrm:7/nqudGPoNitvyaQm90tJJ/aYD

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 462C59F1 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
  • Dharma family
    dharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (320) 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
  • 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
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\Rack\666a3daa2ef51e1b14e0abeddecce8ba836a27cc37781899c88a3b6f328d17e6.exe
    "C:\Users\Admin\AppData\Local\Temp\Rack\666a3daa2ef51e1b14e0abeddecce8ba836a27cc37781899c88a3b6f328d17e6.exe"
    1⤵
    • 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:2464
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2616
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1536
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1588
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:308
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:3448
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
          • Modifies Internet Explorer settings
          PID:3356
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2836

      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\ProPlusWW.msi.id-462C59F1.[[email protected]].money
        Filesize

        24.4MB

        MD5

        33eea602eeba4f38692f6b65acb59359

        SHA1

        28738401a1a0f4095f25b76a3724a32af352df9e

        SHA256

        9d69b858123ffa4eb15b3d6b1abddd7a08fb2279f27c84883da93f2c3abf8366

        SHA512

        bed21313b57a5c49eb213aff8d4d09bc6473524ca6de86f36ecfda5131f66996a39e89ad2b8dd7ba34edc76352eebb41dcb5c29288b629d5619e266e606ad27b

        Download Submit

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

        13KB

        MD5

        3446c6b1d6897ffb64be4287269509b8

        SHA1

        02940df9a8d3efdeeb885eeef1095b038190601e

        SHA256

        e662996b8ecea04467b42c196a4d70d050840e942aa2f116d1e7fa2329a1c1b7

        SHA512

        2c6c91d0ed9fb742e05941a4eb0e4c809df6070ff816a4b67bc8bfdc2f7c465f126eac4b396d94b2098d1bae94dff1e49817ce60916f42ac1307b1deb7deffe3

        Download Submit

      • memory/2464-1-0x0000000000250000-0x0000000000350000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2464-2-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2464-14-0x0000000000400000-0x0000000002484000-memory.dmp

        Filesize

        32.5MB

        Download

      • memory/2464-5214-0x0000000000250000-0x0000000000350000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2464-6197-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2464-7074-0x0000000000400000-0x0000000002484000-memory.dmp

        Filesize

        32.5MB

        Download

      • memory/3448-20282-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download