Overview

overview

10

Static

static

3

2025-02-27...it.exe

windows7-x64

10

2025-02-27...it.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 07:09

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General

  • Target

    2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnit.exe

  • Size

    201KB

  • MD5

    a43619354027879e0dae80878636389f

  • SHA1

    bc7ce81b1388890a697a7480941e1659264fa462

  • SHA256

    104b4ec8a7c39ba5f87be908d86a5e4f34fce70e5ae4992f8435837c2d8fb448

  • SHA512

    7ea3706cb447c96c040dd397ede4c5047895a69639cd6b8524434ff71b9e0cbeb61563f0d80b464ffe0cb6088e54b618cbfbb0be50e841003aae88f0dbfb9c92

  • SSDEEP

    6144:yw+E6shLwFZBh/kFdMyJeGbfUTpYDDmu/+3fbe:ycIZCdMy8G+pG/Ye

Score
10/10
dharmacredential_accessdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealerupx

Malware Config

Extracted

Path

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

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

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 (653) 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
  • Executes dropped EXE 1 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
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 19 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\2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnit.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:3092
    • C:\Users\Admin\AppData\Local\Temp\2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 264
        3⤵
        • Program crash
        PID:6924
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:460
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:5708
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3168
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:5140
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5844
        • 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:288
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:6736
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4008 -ip 4008
            1⤵
              PID:2128
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:6128

            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-984FB2BA.[[email protected]].ONION
              Filesize

              2.7MB

              MD5

              a965a06c40c5e450e13747d2e9e1b80d

              SHA1

              66b6f4d82b1f6e150b259f6896fdea136c8285cb

              SHA256

              f44587251cff21485fc77b9f2b2aa167d289d699dedb96d242ab71423a5105cc

              SHA512

              0ecaa4a283116b6c15cec53571c3ef658fac46b85bdfa21ef1826c7ce8c7d0175ab97ba555348fdf38bcd8ddf40e37bc76240bd24a8d444a87668bf035312b64

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\2025-02-27_a43619354027879e0dae80878636389f_dharma_ramnitmgr.exe
              Filesize

              105KB

              MD5

              d5ca6e1f080abc64bbb11e098acbeabb

              SHA1

              1849634bf5a65e1baddddd4452c99dfa003e2647

              SHA256

              30193b5ccf8a1834eac3502ef165350ab74b107451145f3d2937fdf24b9eceae

              SHA512

              aa57ce51de38af6212d7339c4baac543a54b0f527621b0ef9e78eca5e5699e8508a154f54f8ac04135527d8417275eeee72a502a362547575699330cc756b161

              Download Submit

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

              7KB

              MD5

              3bfafca40dbfb90696dc92014eebb20c

              SHA1

              8b95921d1b0128942ba8e2dbd81b13aa4905d7b2

              SHA256

              02f73fee892229515c8bbcfd2b18afe382dd0fc80cbfb6a931ac04aee287cc28

              SHA512

              40a1436ef2a9c6cb631fc905bbb288c4f599fac23c69f8c4cc4f5a6afe477a996d4ea19ec693b4729cfed2a843735fb617722257292c9e8b540b335b4d61beda

              Download Submit

            • memory/3092-0-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

              Download

            • memory/3092-25438-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

              Download

            • memory/4008-5-0x0000000000400000-0x000000000045D000-memory.dmp

              Filesize

              372KB

              Download

            • memory/4008-6-0x00000000005D0000-0x00000000005D1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/4008-4831-0x0000000000400000-0x000000000045D000-memory.dmp

              Filesize

              372KB

              Download