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
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 (310) 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\2024-12-23_0b5aca0691f0ebf280cd943c2fb044d5_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-23_0b5aca0691f0ebf280cd943c2fb044d5_crysis_dharma.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:2160
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2844
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2684
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2896
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:216
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3932
        • 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:2164
        • 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:4044
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1596

      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\Office64WW.msi.id-75597BAF.[[email protected]].kix
        Filesize

        3.6MB

        MD5

        92f9673eb3efadfb963bc8cb812194c4

        SHA1

        cf60bc2f700556d6787ab447247578bc4c38dca4

        SHA256

        e38e2677a76f2dcd1a673c4ff2a329a0b822366eaa8e22bfb563823e14ba3dfc

        SHA512

        564b8fd37f805d6f75fb5a538556e2de243f0d3233d394526029cfefe01f13ab7358277da7bc1d34aa41d7c5c44a1415a4445ab88a6cdb562cc26cf4eb0df482

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

        1KB

        MD5

        22cb5a25f96d702ccd0747c0f27264e8

        SHA1

        ba70f31a26b2da58971abd63c0e13686e6d20d9d

        SHA256

        9353e1bf966a9d65c26665e5295d6c037465b1c9e366eb46f570b8f02570a954

        SHA512

        91040b0c4159daf269b7e322d52289fe46f9afabcd5976f72356352caa52f16722411813b2e12eef699433bb3f42636b5661a468290b76e5f43de0d66558d62f

        Download Submit