Overview

overview

10

Static

static

10

0486218577...d9.exe

windows7-x64

1

09bfd15145...11.exe

windows7-x64

9

141d93e2d4...aa.exe

windows7-x64

10

16c2807567...55.exe

windows7-x64

3

2f41c73046...95.exe

windows7-x64

10

3e275093a5...01.exe

windows7-x64

10

419a809f42...89.exe

windows7-x64

3

4b10fd0d5e...58.exe

windows7-x64

10

4d78c439ed...f7.exe

windows7-x64

7

4f7713dcf8...63.exe

windows7-x64

7

597deecbe6...4d.exe

windows7-x64

7

6b59edf464...e8.exe

windows7-x64

8

7def3cd43d...d8.exe

windows7-x64

7

96ba85326e...8a.exe

windows7-x64

7

97f1b6afb2...2e.exe

windows7-x64

5

9906747639...1e.exe

windows7-x64

1

9e1609ab7f...08.exe

windows7-x64

10

b7fc91fc1f...37.exe

windows7-x64

7

bf179bbd2c...25.exe

windows7-x64

3

cfc68c40f4...4f.exe

windows7-x64

6

e6e948a0aa...eb.exe

windows7-x64

1

f02fe52119...68.exe

windows7-x64

8

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ss.dll

windows7-x64

3

secrehosted.exe

windows7-x64

3

Resubmissions

27/11/2024, 13:27

241127-qqdkmsvnhz10

27/11/2024, 09:28

241127-lfrx3atrgr10

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
    27/11/2024, 09:28

Sharing

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General

  • Target
    141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa.exe
  • Size 694KB
  • Sample241127-lfrx3atrgr
  • SHA256 141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa
  • MD5 SHA1 SHA512 SSDEEP
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 997E9968 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 (321) 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\141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa.exe
    "C:\Users\Admin\AppData\Local\Temp\141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa.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:2496
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2632
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2744
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1784
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3080
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3096
        • 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:3184
        • 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:3276
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2884

      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

            ProPlusWW.msi.id-997E9968.[[email protected]].ncov
            • Path C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-997E9968.[[email protected]].ncov
            • Size 24.4MB
            • SHA256 c0c3b04f15cc9464047bf8ae335a519d3f978040afe8c04cf9b2c99f58e0b14a
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Info.hta
            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            • Size 13KB
            • SHA256 b32e305d43ab31ca210fc37a69267f840dc58f7d684672df4f57b859ac3292eb
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/2496-0-0x00000000002D0000-0x00000000002E8000-memory.dmp
            Download

            memory/2496-1-0x0000000000400000-0x00000000004B3000-memory.dmp
            Download

            memory/2496-11577-0x00000000002D0000-0x00000000002E8000-memory.dmp
            Download

            memory/2496-11576-0x0000000000400000-0x00000000004B3000-memory.dmp
            Download

            memory/2496-20308-0x000000000040E000-0x000000000040F000-memory.dmp
            Download

            memory/3184-20328-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
            Download