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
    150s
  • max time network
    122s
  • 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/d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.exe

  • Size

    304KB

  • MD5

    19e48e72c51e0e652a2b5c75db0ef9bc

  • SHA1

    b4ea00205b0e611e2fc155d5ded19b22cd6341f3

  • SHA256

    d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191

  • SHA512

    65269d693b7ddf70c76069d2a80cec73ba1f78a38b0cfcf029af5c30eca972a7b2f21c327f63ac5a17d85a7fab4008e4c04d6ba4e50561f2f71ea7ede52175e2

  • SSDEEP

    6144:6V13slAMd1EHcabi6NiwnpmxKFGgTU55MlP:6VxZM3raLdnAKFGg4HMx

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 94EC1D70 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 (322) 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\d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.exe
    "C:\Users\Admin\AppData\Local\Temp\Rack\d4d53c64cb46b4a286bdfdecaa928ed77942d8838506356bfbb6b8da8349c191.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:2708
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1648
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1032
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:208
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3028
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3012
        • 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:2840
        • 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:2968
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1636

      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-94EC1D70.[[email protected]].money
        Filesize

        24.4MB

        MD5

        905310a6371a5fe4a7c812422f6c0f5a

        SHA1

        c4c1f4ffaf73d98687897943704d52e4f8aa6b8c

        SHA256

        bca85011211b7c9f9c0e4468a5967c23aff3f84eb660597f4f099e8c1901e117

        SHA512

        7a1d7ff78d5fe84844ec11d95b0d7c4887e821000dc9877977f99e6426c3be5e1e037f523546ebec76cac2119154885f680520af92908b06c3dcfcb279e9b2e0

        Download Submit

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

        13KB

        MD5

        f23c007e06bbaaeb261fc09057aa3d72

        SHA1

        92e361ab6486ff9ffc6b62e264ab5e4ee2fc5c57

        SHA256

        10459b2e09a2d3dc468a77b4c456dda3be24d05cfcc9f6c8f8cac2372e5ed31a

        SHA512

        812c0b959d6beff09191ee6920982255c2de36f1f550391e748eb48c494154fb929d5ce288796e10cabd97f8ac3ac46153d8ca963c0e90ccbf00d563b3567172

        Download Submit

      • memory/2708-2-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2708-1-0x00000000007C0000-0x00000000008C0000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2708-6-0x0000000000400000-0x00000000005FB000-memory.dmp

        Filesize

        2.0MB

        Download

      • memory/2708-3759-0x00000000007C0000-0x00000000008C0000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/2708-4465-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2708-5231-0x0000000000400000-0x00000000005FB000-memory.dmp

        Filesize

        2.0MB

        Download

      • memory/2840-20297-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download