Overview

overview

10

Static

static

10

081899c525...89.dll

windows7-x64

1

082060e332...76.exe

windows7-x64

10

09d22d6340...64.exe

windows7-x64

1

1f4e927f6e...a4.exe

windows7-x64

8

20efc37efc...db.dll

windows7-x64

6

23b5ce252f...5b.exe

windows7-x64

10

35fdad147c...8f.exe

windows7-x64

1

36bfd9f40c...07.exe

windows7-x64

1

56ec95785f...a4.exe

windows7-x64

1

675e7e38d9...a8.exe

windows7-x64

9

6b4df38111...7a.exe

windows7-x64

7

6b4f6a820d...96.exe

windows7-x64

1

721ccbb780...29.exe

windows7-x64

3

75a9ade196...1d.exe

windows7-x64

10

79271d57c5...61.exe

windows7-x64

7

*.*/update.exe

windows7-x64

6

*.*/˫�...��.bat

windows7-x64

1

847001fe67...7e.exe

windows7-x64

1

97d846563e...3b.exe

windows7-x64

1

9a5a08d7a4...4a.exe

windows7-x64

10

9da42140ca...70.exe

windows7-x64

6

ac7da11c38...e2.exe

windows7-x64

10

b3489810af...5f.exe

windows7-x64

1

bf11915a5a...55.dll

windows7-x64

6

c453aa991f...3e.dll

windows7-x64

6

c97d9bbc80...15.exe

windows7-x64

10

cfe55dc501...48.exe

windows7-x64

6

d2a120aa4a...78.exe

windows7-x64

10

db97db6b03...1b.dll

windows7-x64

6

dc276b7ca4...cf.exe

windows7-x64

10

e714a8c576...a4.exe

windows7-x64

1

f0c2927859...a6.exe

windows7-x64

7

Resubmissions

26-03-2024 14:35

240326-ryecksfd5y 10

26-03-2024 14:27

240326-rse2xsfb8y 10

Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 14:27

Sharing

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General

  • Target

    75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.exe

  • Size

    306KB

  • MD5

    1eac69691e05297182ea6642746d53f6

  • SHA1

    749f19b262849158df6d29f26043e1a845da102e

  • SHA256

    75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d

  • SHA512

    8ac6625fa10b3d2126a6498af2790a52bb626fef74b4abf05ce869f0e3b2d41fa78915b469529c67531937093e6385634985e792f4c04edac5f0b69a489d5c39

  • SSDEEP

    3072:J86Kas04uVswV5Him+xfleiJfz/4B7zspXGwtI57T+YG4tGSGbwySvB5KpzeLrqK:ChatLSeoQ7Rwu57C0bNyKgpGR

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 [email protected] Write this ID in the title of your message D658F9CF 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 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (319) 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 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\75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.exe
    "C:\Users\Admin\AppData\Local\Temp\75a9ade19696be512a894b659c4bebd174a868f404da5479f4fd96494e04c71d.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:3044
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2632
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2360
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1624
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1292
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:284
        • 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:1304
        • 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:1620
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1308

      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-D658F9CF.[[email protected]].money
        Filesize

        1.3MB

        MD5

        c512d870c710891e07c903de187ffa21

        SHA1

        e051e20da53b458ac1124e27d231da494f674b38

        SHA256

        a965f50c467a01f3ae5e96cb16ce5f39b2e95cf01a3c6fefa4a3a76f249eb1ee

        SHA512

        f2513ee48234b49cf75b35eb512f824e39d0bab5fe94e9a410610ca5f4d6e72ccfa52b91ca5c14d30ac9fc8af680290eccc4dca15c4421a802019f6c4a4913f5

        Download Submit

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

        13KB

        MD5

        729a7b0eb6172c2d9bcb00a5796206c7

        SHA1

        e695d241f09f19e07f6576f1c12391b9f6c17b08

        SHA256

        da8ac019556fbb8de98a3a1f966f35e4918ba31be1c3a7db90b435fe6091fb24

        SHA512

        ac2e0a99f95b0ef5d2fa462fbc89254625360e762ee0137d9af872502ccdce84d2c3c7a994e2eb661d3ad6c5bf5b36c6286f7990008ac7f81c50c282b6f6bf6e

        Download Submit

      • memory/1304-20215-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

        Download

      • memory/1620-20190-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download

      • memory/3044-1-0x0000000003770000-0x0000000003870000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/3044-2-0x0000000000020000-0x0000000000039000-memory.dmp

        Filesize

        100KB

        Download

      • memory/3044-168-0x0000000000400000-0x00000000035A1000-memory.dmp

        Filesize

        49.6MB

        Download

      • memory/3044-13923-0x0000000003770000-0x0000000003870000-memory.dmp

        Filesize

        1024KB

        Download