Overview

overview

10

Static

static

10

02db3ec764...ce.exe

windows7-x64

09f27e0189...2e.exe

windows7-x64

5

0abe62de95...d2.exe

windows7-x64

7

13ad5c6c04...20.exe

windows7-x64

181d5a2aa3...54.exe

windows7-x64

7

19bdaadf42...ed.exe

windows7-x64

1

1f1cc17473...5e.exe

windows7-x64

8

1f4e927f6e...a4.exe

windows7-x64

222d06b236...66.exe

windows7-x64

8

23b5ce252f...5b.exe

windows7-x64

10

24ebe7609d...a9.exe

windows7-x64

6

25fcedbb8b...78.exe

windows7-x64

26f2bf1fc3...fe.exe

windows7-x64

32a22a65aa...2f.exe

windows7-x64

35fdad147c...8f.exe

windows7-x64

1

36bfd9f40c...07.exe

windows7-x64

1

39a6618795...45.exe

windows7-x64

1

3c8ac670d8...98.exe

windows7-x64

1

401beec1e5...c3.exe

windows7-x64

3

46c17836fd...b2.exe

windows7-x64

54edb6518a...9a.exe

windows7-x64

7

56ec95785f...a4.exe

windows7-x64

1

5c959580ad...bd.dll

windows7-x64

675e7e38d9...a8.exe

windows7-x64

9

6b4f6a820d...96.exe

windows7-x64

1

721ccbb780...29.exe

windows7-x64

3

75a9ade196...1d.exe

windows7-x64

10

7a2aa7c097...bd.exe

windows7-x64

1

87bcc495ec...65.exe

windows7-x64

8d11fa1067...54.exe

windows7-x64

7

97d846563e...3b.exe

windows7-x64

1

9e4e60ee2a...c6.exe

windows7-x64

3

Analysis

  • max time kernel
    170s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 16:53

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General

  • Target

    23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.exe

  • Size

    235KB

  • MD5

    fc7b0066d7d250b619a3c6c3ee1b22f9

  • SHA1

    f307dc2d7d41e5d2678144de98445fa3c14e7583

  • SHA256

    23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b

  • SHA512

    4178ac9a1e5e9f5817412de1ab210c1c95ebe1a47875f14844ff5e234191c2facaf8f7ae184c9fc33c334cdfa8615ccbdc8aaaac1d3aa6697d4ea49ef01aa1bd

  • SSDEEP

    3072:BS4er0KRFMyC4FtM/LMZaIfhhM35E8/OZZe6WXVDhjt6SeFUkgYF6UTcysS:BShA40/haM3hGEphsxUYF6Ecyx

Score
10/10
dharmapersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\ProgramData\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 admin@fentex.net Write this ID in the title of your message 314ECD0A In case of no answer in 24 hours write us to theese e-mails: admin@fentex.world 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 1 file for free decryption. The total size of files must be less than 1Mb (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

admin@fentex.net

admin@fentex.world

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 (314) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • 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
  • 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\23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.exe
    "C:\Users\Admin\AppData\Local\Temp\23b5ce252f1cb3ff40a3bcb3ea53dd674175c3ad782b00e33ae45c8c87fa265b.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2572
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1864
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3676
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3540
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3572
        • 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:3792
        • 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:3888
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1052

      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

      2
      T1112

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      System Information Discovery

      1
      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

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id-314ECD0A.[admin@fentex.net].money
        Filesize

        7.2MB

        MD5

        77d87d3f76ae1c6e204383455197adf8

        SHA1

        a29b8934a634a8d7d990137a6c50633f78a9d180

        SHA256

        62ce5107fcdb28e66b0e73dd6260f19c59e1ea6d9f9edf054530994ad6385ddf

        SHA512

        076af272c13af2904777fe6558674485a1d18827f40a0f496817c7128f1658a9489a3201f8f5813194df0f4d117e53ddb4ce779788a7289558ea247d0a3c971e

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

        13KB

        MD5

        b4d94b7e264badc438460b7f8ab92e80

        SHA1

        97dd0e7e0065884aad7fa6220b95b20c58d90f6a

        SHA256

        ebb79bc82b3f8d06f012f99ec7a074ffa8b04012557ec8a5a08a912a317b86ef

        SHA512

        fef29c309a9001894eaf37a5e73b1b17ff7eabf0ccc0e104d3dcfa31a839c919aac1731c1eddbc18c0a56b1283d8844ce1a8d4e74ec4bea876dc91e072a9c8c0

        Download Submit
      • memory/2140-1-0x0000000000250000-0x0000000000350000-memory.dmp
        Filesize

        1024KB

        Download
      • memory/2140-2-0x00000000003C0000-0x00000000003D9000-memory.dmp
        Filesize

        100KB

        Download
      • memory/2140-116-0x0000000000400000-0x0000000003364000-memory.dmp
        Filesize

        47.4MB

        Download
      • memory/2140-2587-0x0000000000400000-0x0000000003364000-memory.dmp
        Filesize

        47.4MB

        Download
      • memory/2140-12637-0x0000000000250000-0x0000000000350000-memory.dmp
        Filesize

        1024KB

        Download
      • memory/2140-12802-0x00000000003C0000-0x00000000003D9000-memory.dmp
        Filesize

        100KB

        Download
      • memory/3888-20157-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp
        Filesize

        64KB

        Download