Overview

overview

10

Static

static

3

payload.exe

windows7-x64

10

payload.exe

windows10-2004-x64

10

Resubmissions

21-02-2025 03:49

250221-edf98asnbq 10

21-02-2025 02:16

250221-cp8shazpdv 10

Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-02-2025 03:54

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General

  • Target

    payload.exe

  • Size

    92KB

  • MD5

    e7290701c6f837d655e00f5df6ca4b40

  • SHA1

    1b2ed5c4871d08ebc8a62495fb5c8dd4c897e2d1

  • SHA256

    7ecb2207b8e9e3e95700c1a0e8616995a07aecc3437d53705ba9dc6bf7ca18e0

  • SHA512

    5c007fe1be37226178ecb98f2a461b84cfbd7dcb39b1e8ddb6db87258ad6140a73049235d0520ec3218cc9674ac365b8f04761968189213b0402befe595650fa

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AYhAnjumqSah8RHpmxQE71lLNKs71v+Jj:Qw+asqN5aW/hLmhq6h8RHoeEx+

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 (655) 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
  • Opens file in notepad (likely ransom note) 2 IoCs
    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\payload.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.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:968
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2620
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2956
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:804
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:8760
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4316
        • 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:9664
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:5748
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:452
          • C:\Windows\system32\werfault.exe
            werfault.exe /h /shared Global\caf901842fd444c3aea8f7660ca41cf5 /t 9528 /p 5748
            1⤵
              PID:9312
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Public\Desktop\info.txt
              1⤵
              • Opens file in notepad (likely ransom note)
              PID:10072
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\info.txt
              1⤵
              • Opens file in notepad (likely ransom note)
              PID:4428
            • C:\Windows\system32\werfault.exe
              werfault.exe /h /shared Global\2df3aff58f874f1c87db2a852b411a79 /t 9424 /p 9664
              1⤵
                PID:8728

              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-326C2D66.[[email protected]].SCRT
                Filesize

                2.7MB

                MD5

                3ffcf57a957c29dd0cf2a817657cddbe

                SHA1

                6857d9c954790f2868c56d8e1b1ad049e86b5e9f

                SHA256

                7b7e86c45c15f668aa97724cff1ec3d28020da3f21c7a4bdcfef51349decfa72

                SHA512

                20493c83b6bbe3ff0c3017fdb613d87294c20ae54c40d86120aa0078fe58542fc8ab350142eb78732dcc85f2f202622e7c45802266afc101b99fc6cdce2d23c7

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

                1KB

                MD5

                6f3d83118a34d61babdb0d727f65c218

                SHA1

                aef852f2f739d3108ffd92ccb7e44d1a7afb6b1d

                SHA256

                3ab4964796baf5b04560b695509817b39b2c85e281941b4ec6b9e1364a7b70ca

                SHA512

                499a92d8c4e17d8153c5b8272f34ba1f4fa611d99cb0e69cd9180d2098673f2ea539553fb683b286eeccffc2d5903a8a3e6be798d3d68b9165db60013be348f1

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              • C:\Users\Public\Desktop\info.txt
                Filesize

                152B

                MD5

                9b1b6b0e882a2a05872f3af5090067c2

                SHA1

                f07391cdf71e30a43d3833642bed47664087bdbc

                SHA256

                a4f247d8518669986919ee2b5389544340dce2fbc05b4a8ff04d835f90bdbb0b

                SHA512

                7d6db752efb6a0344767a2b2716c34f49209a274cd7e58b89123a81d4099bbdbfa1e23f4ff40d0803c457b19e4eb2522aaa138fc657434d0c4618005282b7731

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