Overview

overview

10

Static

static

3

2024-12-23...ma.exe

windows7-x64

10

2024-12-23...ma.exe

windows10-2004-x64

10

Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 17:24

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General

  • Target

    2024-12-23_0b5aca0691f0ebf280cd943c2fb044d5_crysis_dharma.exe

  • Size

    92KB

  • MD5

    0b5aca0691f0ebf280cd943c2fb044d5

  • SHA1

    727f95cece763a4ec8cebecf8f73b69552bd7aa1

  • SHA256

    1ca86c9b07c99d0cce9f0f1d0a21c1c73ead29e1d7a100b40d9db6f23bc0361b

  • SHA512

    bd10442c8b5c52248ea01ff6cbce2c35e0c8036ecc8190ff3c2b11c87064d45276e41dfe1edb5cb239523c9518873fbc80bfd702b8f26e3c7a019b3bb4c1166a

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AMUPpJIJZKdyqyYq3v5L0BvmCP85TCxEq:Qw+asqN5aW/hLxPpJoZKcqhIxLbcj

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

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 (521) 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\2024-12-23_0b5aca0691f0ebf280cd943c2fb044d5_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-23_0b5aca0691f0ebf280cd943c2fb044d5_crysis_dharma.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:3592
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:6224
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1964
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6192
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6292
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:7872
        • 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:1436
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:6748
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3668

          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

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id-18D60430.[[email protected]].kix
            Filesize

            3.2MB

            MD5

            684087207793f484c076e29a5e8f5e48

            SHA1

            4b186d1ab2adcf2ecca8b0fa89de4993f5408c7a

            SHA256

            3e8ba723aa422a25fd3665058814ebcee2724fb3e197147193beba0c719d2eb4

            SHA512

            84fd4eeb9350068021f9b328746878dfaad33b095605c929c90554c33ae268c56e23a8e82113d47b8661c32e972c6720c4d42a611ade59ca8aee65937a5bf7a9

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

            1KB

            MD5

            671cee79f18bf7539ad25e92ac902081

            SHA1

            6c099bf8c27e678b7c2d0ca8a53cbbeaba6c61d0

            SHA256

            bfb5d26416e1fe626abc052e6ad5408a43f9ef60973b9b899fe2872118dff4af

            SHA512

            8c36193a36c66587fb0f5a69d278128c488bbc1e7efd27c0a934135154fe9812fc5c001f063ad76d1118272f699d28b587ade02c15d1f11dbe736c3fecfdd292

            Download Submit