Overview

overview

10

Static

static

3

2024-12-11...ma.exe

windows7-x64

10

2024-12-11...ma.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 03:22

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General

  • Target

    2024-12-11_12f4660349ce0934b349151b4bd9f65c_crysis_dharma.exe

  • Size

    92KB

  • MD5

    12f4660349ce0934b349151b4bd9f65c

  • SHA1

    9334fd66e9114405e328df960b0cc7685dff228f

  • SHA256

    913d5701360bffd2f5acbb6facb8f1a5021beef815adaeb6ac1273345d6d05e5

  • SHA512

    2c3bb5fb8f3e4d6c46ea4028fe80a12542cab0d0446f24f1f164e3ecbe9663f19b2accd6919a1e7697d16a40c210b5eb509e9690cc38e8a72f26e644b188b8a0

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AgOWEtLXa7ujvLCh2k77Z8fDaQg9EgDCO/vf:Qw+asqN5aW/hLiOWsFj0vFaDaQSE3A3

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 (525) 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\2024-12-11_12f4660349ce0934b349151b4bd9f65c_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-11_12f4660349ce0934b349151b4bd9f65c_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:2040
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1108
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:6256
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4144
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3308
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:10048
        • 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:5176
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:9764
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:920

          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\AppvIsvSubsystems32.dll.id-F377D531.[[email protected]].MAGA
            Filesize

            2.7MB

            MD5

            fb11be9e5ca4a987109403a3b771f35f

            SHA1

            fd2afdd2b126c3028b3cb508ec19a139a8b7a54f

            SHA256

            46b7b466f27d994a86357c04e1c8adc86f77c4c89f1a2d45acaeed0759cbc88d

            SHA512

            094162108229c53af6518861bd36e1f0a372d0ecbcb47e9553992cdb9501b874336ad043c708a8c51f92e9a0b88ed06e2e167372658ab54ec851b824119a0a27

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

            1KB

            MD5

            2a239305093e970b55d0856d2213daa1

            SHA1

            a5640453356ccf847dfd84d424e89d76e60b7e41

            SHA256

            90d7f8f6eeb20904a25d8c4571772afbe309fce72c8ea89ac28aa809451dba6d

            SHA512

            3ca361a4d3a6db60537b04a139b1769bd27e4b4bb22d15b8c300b0481670b2f13bbd4be4c3b035bc528fa32fdf8ae420e6e41ca5daaf1af8ca8e77cb99fe9291

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