Overview

overview

10

Static

static

d619b39021...cb.exe

windows7_x64

10

d619b39021...cb.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    06-03-2022 02:08

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General

  • Target

    d619b390215004685475031a41a63e00464812888ba29718b345ad4fd23766cb.exe

  • Size

    92KB

  • MD5

    9bd01243bd68f7a4fd38430d59aa7fdd

  • SHA1

    ccb27b96fe783b9eaf66d6f359be0ccfeb33470e

  • SHA256

    d619b390215004685475031a41a63e00464812888ba29718b345ad4fd23766cb

  • SHA512

    04b6cd2e15490f743456ad643ba2a3d5ba3ce9eeee7dc0fd6ef81bdb74695798bf9a73523db192f824d1fcbc5cad105b3a00f98b1e4cab7f8113a1c34edf9e28

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 [email protected] Write this ID in the title of your message AB2D1742 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
  • 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). Likely ransomware behaviour.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d619b390215004685475031a41a63e00464812888ba29718b345ad4fd23766cb.exe
    "C:\Users\Admin\AppData\Local\Temp\d619b390215004685475031a41a63e00464812888ba29718b345ad4fd23766cb.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:2432
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:4128
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3976
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4260
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:3432
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:4076
        • 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:4688
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:3728
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4040
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
            1⤵
            • Modifies data under HKEY_USERS
            PID:316

          Network

          MITRE ATT&CK Enterprise v6

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          Downloads

          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            MD5

            bd5dd1654b80ece7414560d4e21b0a2e

            SHA1

            299df4370a59b9a2798d80b18c0e649f426dc5b1

            SHA256

            4cc277222869f671ee9874e8f629a0eeec6f76781db7bfb322a584fd7e1e77e7

            SHA512

            28227d9922c329a2457043678f1b6aa414769476cac62a7f11807d73200b1ac04f6df003d3eb08f0a1d8c8a5f09b8c74606b15765b87e98181636bdfb2d7003b

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          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta
            MD5

            bd5dd1654b80ece7414560d4e21b0a2e

            SHA1

            299df4370a59b9a2798d80b18c0e649f426dc5b1

            SHA256

            4cc277222869f671ee9874e8f629a0eeec6f76781db7bfb322a584fd7e1e77e7

            SHA512

            28227d9922c329a2457043678f1b6aa414769476cac62a7f11807d73200b1ac04f6df003d3eb08f0a1d8c8a5f09b8c74606b15765b87e98181636bdfb2d7003b

            Download Submit
          • memory/316-131-0x000001FCACA20000-0x000001FCACA30000-memory.dmp
            Filesize

            64KB

            Download
          • memory/316-130-0x000001FCABF60000-0x000001FCABF70000-memory.dmp
            Filesize

            64KB

            Download
          • memory/316-132-0x000001FCACBE0000-0x000001FCACBE4000-memory.dmp
            Filesize

            16KB

            Download