Overview

overview

10

Static

static

3

2024-12-03...ma.exe

windows7-x64

10

2024-12-03...ma.exe

windows10-2004-x64

10

Resubmissions

03-12-2024 04:56

241203-fkycrawrcm 10

03-12-2024 04:24

241203-e1rz8szmgz 10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 04:24

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General

  • Target

    2024-12-03_56d8d0386a2dc75b88ca52ddafbd3430_crysis_dharma.exe

  • Size

    92KB

  • MD5

    56d8d0386a2dc75b88ca52ddafbd3430

  • SHA1

    165b9b0cb19bd4f849f2431b12028c179be57780

  • SHA256

    9d131d41b278c689424e6713a320e8e410501b17260bdb2a6770d9e407d82df0

  • SHA512

    02048a750b58befcdfe202626af009896d035a8a065d9fa87061fc85b94286e614f73a513ec436355a2edff1c56c53c40238f5f030106ebe9ab989d1c58693d5

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AgOWEtLXa7ujvLCh2k77Z8fDaQg9EgDCO/v:Qw+asqN5aW/hLiOWsFj0vFaDaQSE3A

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 (509) 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\2024-12-03_56d8d0386a2dc75b88ca52ddafbd3430_crysis_dharma.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-03_56d8d0386a2dc75b88ca52ddafbd3430_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:4444
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2376
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5752
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:8012
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:300
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4532
        • 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:3448
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:2424
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:6036

          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-4F2B555A.[[email protected]].MAGA
            Filesize

            2.7MB

            MD5

            d415b9e47f087193ff7b2ba99f324bfa

            SHA1

            cc7b7ab7a4561bf970f026c6d10c3a387d76f62e

            SHA256

            678e56d0401f8a1255ec45d4ec64bd724ca4d255947d234b99dede01f7d88489

            SHA512

            57895c5a5a97eed410131dbd9cf69773e8b5057e4cc605a90a78144783f2df1b8b435931735c1c0ed154b0a69463589fec621bb0f0d88308527ace03975486a0

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

            1KB

            MD5

            47e546f77e02464e54586a87cc7ca8fc

            SHA1

            eae8ad1a8f9442252ea4b105bce307cc9490bfa9

            SHA256

            a3747f0e00df1a538ae8ff15afbec41b68328c3f5c3174db7e876ababbb99894

            SHA512

            e9a75ed2c386b5aa756ea15becc9973143812d41997157389ac1a51c9ced5e8fe7196ce97e38dc90dea862c60eb232e372aea1356b50a584116b5177475772f0

            Download Submit