Overview

overview

10

Static

static

3

65ac9daf30...b7.exe

windows7-x64

10

65ac9daf30...b7.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2025, 16:56

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General

  • Target

    65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe

  • Size

    243KB

  • MD5

    f3c11989987acee8b271f571cdc7757c

  • SHA1

    50a191d53bc397ce08af356a224135488ed23619

  • SHA256

    65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7

  • SHA512

    27e9690090d4d928140b0c6b34205371bd2c8cce8423308fff0fdbd1ebfec9b4b50538a226de73145598aa4f7d9153db67a21cebed00808466cf2a93b697a119

  • SSDEEP

    3072:X9As+JFTpwVwFVSY9QziR0BEchY/VMaFWfC2UdG8zeIw0fuZb56RxokMUuncB:NAxFTpwCFkxBYRW3sZ33eYAk4Q

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 843BA934 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 (313) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • System Binary Proxy Execution: Regsvcs/Regasm 1 TTPs 2 IoCs

    Abuse Regasm to proxy execution of malicious code.

    defense_evasion
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Deletes itself 1 IoCs
  • Drops startup file 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 2 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 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 40 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\65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe
    "C:\Users\Admin\AppData\Local\Temp\65ac9daf3070161ac996fb8946632599547f1c9450d7dcd0f8dc1c85b4e8b3b7.exe"
    1⤵
    • System Binary Proxy Execution: Regsvcs/Regasm
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\regasm.exe
      "C:\Users\Admin\AppData\Local\Temp\regasm.exe"
      2⤵
      • Deletes itself
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • 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:2584
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          4⤵
            PID:2328
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1720
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1864
          • C:\Windows\system32\mode.com
            mode con cp select=1251
            4⤵
              PID:1572
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:1812
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            PID:2072
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            3⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            PID:536
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1160

      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

      System Binary Proxy Execution

      1
      T1218

      Regsvcs/Regasm

      1
      T1218.009

      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\osetup.dll.id-843BA934.[[email protected]].ncov
        Filesize

        6.3MB

        MD5

        306554d46e2c9154cf42694376f74ba7

        SHA1

        ac46c592793d7b9cba2960d65a545b55b7a65c24

        SHA256

        b60f5fd7ac3f77f630898da3aa7d9aaebaad52338f88597b105fec8d464c7c78

        SHA512

        ba11cb5a1249c22f77384f554ce78bcbeee346d82a3b3e150cac5b225422a4da82dffda48c7a054449a09c50ff73ffdcf77470be5154c536e397218a0259ad63

        Download Submit

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

        13KB

        MD5

        49cdea0b1bbc4034b4c95928b054e5e0

        SHA1

        b38f915df175707241739c70850e6606e09377e3

        SHA256

        8e1cf9087298d63f014b318f2f56a93b7257b9781583570e7893d3525a40b4cb

        SHA512

        c5e959bf6bc9d1a91986b5d695fde943375029105c7eb1ecb872940609a4ab3857adf9e792b7a3bb35fdf99bc1948ac7a086aa2cf6f002f5dedd31d19f7721ae

        Download Submit

      • \Users\Admin\AppData\Local\Temp\regasm.exe
        Filesize

        2.6MB

        MD5

        1f7bccc57d21a4bfeddaafe514cfd74d

        SHA1

        4dab09179a12468cb1757cb7ca26e06d616b0a8d

        SHA256

        d4cb7377e8275ed47e499ab0d7ee47167829a5931ba41aa5790593595a7e1061

        SHA512

        9e639c777dc2d456f038c14efb7cbc871ceb1d7380a74d18fb722a28901357ccb1166c0d883562280e030f0252004ca13a1371ea480d0523c435cd0a6d9f43d8

        Download Submit

      • memory/2360-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2360-1-0x0000000001060000-0x00000000010A4000-memory.dmp

        Filesize

        272KB

        Download

      • memory/2360-2-0x0000000000430000-0x0000000000450000-memory.dmp

        Filesize

        128KB

        Download

      • memory/2360-3-0x0000000074D20000-0x000000007540E000-memory.dmp

        Filesize

        6.9MB

        Download

      • memory/2360-4-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2360-5-0x0000000074D20000-0x000000007540E000-memory.dmp

        Filesize

        6.9MB

        Download

      • memory/2360-10786-0x0000000074D20000-0x000000007540E000-memory.dmp

        Filesize

        6.9MB

        Download

      • memory/2584-22-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-19-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2584-16-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-14-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-12-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-31-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-39-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-36-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-26-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-27-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download

      • memory/2584-10-0x0000000000400000-0x0000000000419000-memory.dmp

        Filesize

        100KB

        Download