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-qqdkmsvnhz 10

27-11-2024 09:28

241127-lfrx3atrgr 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
    27-11-2024 13:27

Sharing

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General

  • Target

    141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa.exe

  • Size

    694KB

  • MD5

    69d1816b669117f2bd58c44c3395d781

  • SHA1

    4eb14f9bb555143671faef063da7f518a7493d94

  • SHA256

    141d93e2d408738bba4f523f60d6ead702424e7d62c34921c8a34150a31870aa

  • SHA512

    ea097012b4e0729e81f725b437c4b3d650b152ede8e7e27df3615941bbbd2c75346d1b51eb9308531343bd6d1bb6b553015a5805c964c61bc7372862a950806f

  • SSDEEP

    12288:Dmrvzqs6OZxzLogi93gAuEaw5hMlvN79yb5wdhuEvKcpK85DOMJb4zzlj:Daqs6OZxzLogivMl7bvjpK85DOM+zl

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 84D1FFBD 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 (318) 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:2668
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1096
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3120
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:5032
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4032
        • 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:5088
        • 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:544
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4200

      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-84D1FFBD.[[email protected]].ncov
        Filesize

        23.5MB

        MD5

        00867a96e6da57fff4c5f17f628de87d

        SHA1

        ede7570316c6f941153fc601925443973102bc94

        SHA256

        7c72b70deb87d1a8fbf6f38c86049a0d30e25ecd36d1823531c9ea97e38e88d0

        SHA512

        80517e0260c761293d33e846ac0b8ab728465fe585e94199492f45273b664b9fde4e002d5b950b04ab42ba654016ce87b7224db92243398c066ddcb2ccb7b621

        Download Submit

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

        13KB

        MD5

        30f678f62628d6d3154fad53f281778e

        SHA1

        0894979894a4933f7a260e91c0f6e51cb63be59f

        SHA256

        9f68daaaabe4e4aca5247c243154e55495df10e6f0315ee0de262380b1b7d86f

        SHA512

        a09d030d471b2115c9bad3710d9d07589abcd8efc16ba03d79d3d490a209625071ce1f559e93ac8fe384efa90b5419f5b77cd40c0f5bfee49fa305d2c50406bb

        Download Submit

      • memory/2668-0-0x0000000001D90000-0x0000000001DA8000-memory.dmp

        Filesize

        96KB

        Download

      • memory/2668-1-0x0000000000400000-0x00000000004B3000-memory.dmp

        Filesize

        716KB

        Download

      • memory/2668-13022-0x0000000000400000-0x00000000004B3000-memory.dmp

        Filesize

        716KB

        Download

      • memory/2668-13023-0x0000000001D90000-0x0000000001DA8000-memory.dmp

        Filesize

        96KB

        Download

      • memory/2668-20343-0x000000000040E000-0x000000000040F000-memory.dmp

        Filesize

        4KB

        Download

      • memory/5088-20365-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download