Overview

overview

10

Static

static

3

lkx111.exe

windows7-x64

10

lkx111.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 02:52

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General

  • Target

    lkx111.exe

  • Size

    358KB

  • MD5

    ce8e9e7376b8f0cd83a0330c2b3a77c1

  • SHA1

    fe98b50cca96ce2a2256d48dac65b9d0a3a74283

  • SHA256

    b0127f59eb38fd379e87dccace57c6c1f7922dd54b752b3c0f6f62b3358a763d

  • SHA512

    5f193ccffaa444bbf0ca543f01832e5dae3dbad105d9c52de58d9ee8edf10546c2f5625ab22c2eafe718f1c115b4925c423270c9b2de5f5a3d7cfbd018b08f24

  • SSDEEP

    6144:B4ajIzYLNfMFIvD/BNpa2l1GUrpJmqGTQ0GCM:GA95UFILDlgU2q8

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
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours,Tox - 1123AA3360A5AFB77D928C4CD99E9EF66EF28FCEEE1F840B93456FD9CE562B7F92204B0D8904 please download - https://tox.chat/download.html or http://pexdatax.com/ write to us by e-mail: [email protected] 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.
URLs

https://tox.chat/download.html

http://pexdatax.com/

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 (528) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 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\lkx111.exe
    "C:\Users\Admin\AppData\Local\Temp\lkx111.exe"
    1⤵
    • Checks computer location settings
    • 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:2440
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2436
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5880
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:9208
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:6856
        • C:\Windows\System32\mshta.exe
          "C:\Windows\System32\mshta.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
          2⤵
            PID:5368
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:5896
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3928

          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

          1
          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

          Query Registry

          1
          T1012

          System Information Discovery

          2
          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

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id-B31EAE1B.[[email protected]].ROGER
            Filesize

            2.7MB

            MD5

            7862c01ae895318cbc4d5b046122688d

            SHA1

            2f05e10c472d5a974d50db2bbca31655879fdca4

            SHA256

            bc2e3ca36d9aedb8a5b34b0d84bffcf8796f3eaa1d2f1dd65b1ae2adbfb734f9

            SHA512

            179f0e24d763f0bf8b2355682362e1680f9b109b80c3773c2ebc5798f9241968fcf816e4c6885fb834828ae7ba091938917c08d76d109360393b0e7ce6850a99

            Download Submit

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

            7KB

            MD5

            340c3e1a5b9e6718d2de8fe74ba8ef93

            SHA1

            686370a12b1b1cffee9b0c76a89ab73e4719c52b

            SHA256

            fb4419855856a9eb43e71df11e7d7b3475233b61a226120df11a617071ce43ca

            SHA512

            e97382b1e4d980a99e083c4f9a7df91c1e9ae9f5476c28a9def6453affc131584ce4e5617d6e6d597bdf35a23f8c653aa10783617978d1781cd6f39adab36cf7

            Download Submit

          • memory/2440-2-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download

          • memory/2440-1-0x00000000004F0000-0x0000000000509000-memory.dmp

            Filesize

            100KB

            Download

          • memory/2440-0-0x00000000001C0000-0x00000000001D3000-memory.dmp

            Filesize

            76KB

            Download

          • memory/2440-8434-0x00000000001C0000-0x00000000001D3000-memory.dmp

            Filesize

            76KB

            Download

          • memory/2440-8433-0x0000000000400000-0x00000000004ED000-memory.dmp

            Filesize

            948KB

            Download

          • memory/2440-9578-0x00000000004F0000-0x0000000000509000-memory.dmp

            Filesize

            100KB

            Download

          • memory/2440-10473-0x0000000000400000-0x0000000000419000-memory.dmp

            Filesize

            100KB

            Download