Overview

overview

10

Static

static

10

084c57449c...0e.exe

windows7-x64

10

14b94844b9...c3.exe

windows7-x64

10

2daa514408...2e.exe

windows7-x64

10

2e6f094748...ec.exe

windows7-x64

2e96b55980...ea.exe

windows7-x64

1

34c392448f...ea.exe

windows7-x64

10

37d8add251...4c.exe

windows7-x64

10

3a72653053...59.exe

windows7-x64

10

49aca08f5b...24.exe

windows7-x64

10

4a2ad49c93...9f.exe

windows7-x64

3

5199b64b50...3c.exe

windows7-x64

55c30024ae...15.exe

windows7-x64

10

56f7b48f38...59.exe

windows7-x64

10

5a96b92938...a4.exe

windows7-x64

10

606b88fce1...c4.exe

windows7-x64

1

6bda9faf71...4b.exe

windows7-x64

10

71b46e95fb...a8.exe

windows7-x64

10

7d98972d5c...9c.exe

windows7-x64

9

87b9b910d5...cb.exe

windows7-x64

10

8958d7b8c5...e2.exe

windows7-x64

10

ab5be9e691...09.exe

windows7-x64

10

b228a698ee...c0.exe

windows7-x64

c864a70f78...1d.exe

windows7-x64

cfd5d9a4e6...f0.exe

windows7-x64

da6f543313...2e.exe

windows7-x64

6

e05323d9ca...62.exe

windows7-x64

1

e48bd2f16b...14.exe

windows7-x64

10

ecfb5c95d0...9d.exe

windows7-x64

10

f08c1c26d3...3f.exe

windows7-x64

6

f354148b5f...0f.exe

windows7-x64

6

f7caf7d69c...6a.exe

windows7-x64

10

fcb6844506...93.exe

windows7-x64

1

Analysis

  • max time kernel
    1800s
  • max time network
    1447s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16-07-2024 08:54

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General

  • Target

    34c392448fc0818278cd19bb0841adf573e967be8a0f73bb42bb367a5835b6ea.exe

  • Size

    92KB

  • MD5

    21c2b2d0bfc15b3d4bc72263f9db5547

  • SHA1

    9f65f98ae2b418425a1d98b8d86bef88edab4d7c

  • SHA256

    34c392448fc0818278cd19bb0841adf573e967be8a0f73bb42bb367a5835b6ea

  • SHA512

    aeeb64dc1130f6e5ccf6ab9abedf01e2a59e149f4897a44b02c32f816ddd1d1698a59447f7ce03dab966972f7714977b49f4b7e0fd258b0bedd936ac1926060a

  • SSDEEP

    1536:lBwl+KXpsqN5vlwWYyhY9S4AE4SLlaSXrgKcQ48bcWHpOZ2yr+e72eIGZZyb1j:vw+asqN5aW/hL6dhamQoBU4yTi17j

Score
10/10
dharmadefense_evasionexecutionimpactpersistenceransomwarespywarestealer

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 [email protected] Write this ID in the title of your message 6B7788FD In case of no answer in 24 hours write us to theese e-mails: [email protected] 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.

Signatures

  • Dharma

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

    ransomwaredharma
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (316) 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 3 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 FindShellTrayWindow 2 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\34c392448fc0818278cd19bb0841adf573e967be8a0f73bb42bb367a5835b6ea.exe
    "C:\Users\Admin\AppData\Local\Temp\34c392448fc0818278cd19bb0841adf573e967be8a0f73bb42bb367a5835b6ea.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:3012
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2952
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2776
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3136
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3940
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:3532
        • 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
          • Suspicious use of FindShellTrayWindow
          PID:3356
        • 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
          • Suspicious use of FindShellTrayWindow
          PID:3552
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.msi.id-6B7788FD.[[email protected]].harma
        Filesize

        3.6MB

        MD5

        f9ede765837992c958107e3853fc320c

        SHA1

        b53d8493111131c7bed3e0bc5b6e91480e58d01f

        SHA256

        44805b63759ff11ae2f1754705c00549a085f7e69f635862a957194a3138e33f

        SHA512

        b0d8c33a0c486b03fb81f01f2427a2d52f802bc3bd671a514d56b11c8b5788348efc8ace84c0f045ff4697234b079673bb61fb1454a75d9179e76ce2ca557997

        Download Submit

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

        13KB

        MD5

        1e372f5e97f584ee0d7116f7de33fc84

        SHA1

        8786031c90c27988a26c65e902412fa8f45ef38a

        SHA256

        5cfa8d53c5ce0c1d0e484aa42d56e829220cfc04e5e0c44b547644d5547734ca

        SHA512

        1a659e46e59b628704cbd54979b32a93cc44bc3765c1999dbb708df90d0ca11ad9edb61bf756d1b248aa2da9b9a59a2e79c62f8b6e827d91c89f0711e8346947

        Download Submit

      • memory/3356-21437-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3552-21452-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download