Overview

overview

10

Static

static

10

067f997e6f...40.exe

windows10-2004-x64

10

0c0c9a19db...c1.exe

windows10-2004-x64

10

1a8f35d0f2...b9.exe

windows10-2004-x64

2354403f00...3b.exe

windows10-2004-x64

240ac12f9c...0b.exe

windows10-2004-x64

10

276727bfac...36.exe

windows10-2004-x64

10

280a75ca5c...8e.exe

windows10-2004-x64

2e8af1ad4b...51.exe

windows10-2004-x64

10

32c51906c1...ec.exe

windows10-2004-x64

3e84def5ee...96.exe

windows10-2004-x64

403b8f1ce9...40.exe

windows10-2004-x64

4731758b5f...25.exe

windows10-2004-x64

9

4c21b335ba...49.exe

windows10-2004-x64

10

4c99ac9f69...35.exe

windows10-2004-x64

4fbbd67a32...a7.exe

windows10-2004-x64

10

622e2834e5...95.exe

windows10-2004-x64

10

6734e7474c...fd.exe

windows10-2004-x64

67a00565a4...5d.exe

windows10-2004-x64

6e228df5e4...62.exe

windows10-2004-x64

7b93299c45...03.exe

windows10-2004-x64

7c2a9bae3b...c1.exe

windows10-2004-x64

10

7d9c97a133...b5.exe

windows10-2004-x64

10

83b294975e...74.exe

windows10-2004-x64

9b0cfabed9...8e.exe

windows10-2004-x64

10

aa63528bf7...cd.exe

windows10-2004-x64

b54d6dc708...7d.exe

windows10-2004-x64

10

b6b2c1f4bb...00.exe

windows10-2004-x64

10

ba43b2eb48...fb.exe

windows10-2004-x64

cc43fc18d6...e8.exe

windows10-2004-x64

10

d50b23e12c...af.exe

windows10-2004-x64

10

ebb17d81ff...0f.exe

windows10-2004-x64

ec09cfa4a7...da.exe

windows10-2004-x64

10

Resubmissions

16-03-2024 17:17

240316-vtswysfd2y 10

16-03-2024 15:31

240316-syg9xafg39 10

15-03-2024 08:15

240315-j5rmgsbg5z 10

Analysis

  • max time kernel
    600s
  • max time network
    453s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-03-2024 17:17

Sharing

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Report Analysis Logs

General

  • Target

    b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.exe

  • Size

    92KB

  • MD5

    be47139183c40fceb264c6946627b93f

  • SHA1

    06f645d6afc2f909dbdf61c0982dcd74126bc5f5

  • SHA256

    b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300

  • SHA512

    eebd19694a2ac660c89ad2b323c7b871deaa3099065c8298d5135b3ce1bb56d751cb049b55099ffe78c54eb2a00561970dfdd184dde950534433b26c47696a73

  • SSDEEP

    1536:mBwl+KXpsqN5vlwWYyhY9S4AeAI3cCVuogqtNp6XNUS7fvUHkd:Qw+asqN5aW/hLdIseKqtneN7X0M

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail becky.cely2@aol.com Write this ID in the title of your message 3705CCA6 In case of no answer in 24 hours write us to theese e-mails: nikki.lond2@aol.com You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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.
Emails

becky.cely2@aol.com

nikki.lond2@aol.com

Signatures

  • Dharma

    Dharma is a ransomware that uses security software installation to hide malicious activities.

    ransomwaredharma
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (513) 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.

  • Drops startup file 5 IoCs
  • Reads user/profile data of web browsers 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 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\b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.exe
    "C:\Users\Admin\AppData\Local\Temp\b6b2c1f4bbe4259e0279a0c3db98a69db12ab6ae0b549085c714f1497f3c8300.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4556
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4184
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4352
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6624
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:4072
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:7124
        • 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:4452
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:6764
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3168

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Initial Access

          Execution

          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

          Indicator Removal

          2
          T1070

          File Deletion

          2
          T1070.004

          Modify Registry

          1
          T1112

          Credential Access

          Unsecured Credentials

          1
          T1552

          Credentials In Files

          1
          T1552.001

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          2
          T1082

          Lateral Movement

          Collection

          Data from Local System

          1
          T1005

          Exfiltration

          Command and Control

          Impact

          Inhibit System Recovery

          2
          T1490

          Resource Development

          Reconnaissance

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\CloseSelect.ico.id-3705CCA6.[becky.cely2@aol.com].arrow
            Filesize

            1.9MB

            MD5

            eae626cedd573705b7e3e7caaa7d1af4

            SHA1

            88b71e54360b7f5039d9fdca66256703ca43c7de

            SHA256

            4d549244516a83ed987c45bb940df24facbbc5e6ae95abf8dbead8916ef03a03

            SHA512

            cfb781af0c6828f2fd70b36f783ced5a032090b1c0888c3d90f7e70450dc3944bdcfea9f49d0bec3d23b9c146cc7e17f6885d63b38ec54a46eefaf6d73e7e785

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

            13KB

            MD5

            3923811444b4db20adf0d0f3ba6ffa45

            SHA1

            a8ad52054976cb53f307f8d6dd2ee95c2878f5e4

            SHA256

            f61f8a61a45c1263b68e040d1d97131968ddc08aee5b3375e8245bab2d9ffd17

            SHA512

            61ecb33af4998c57169ff7e31e0fd8102fadb0c53a63ca014adf106bd93a994b01a64874cf282c9996413f060e6e38be22c340e58ee99592d380e07dc283d17a

            Download Submit