Overview

overview

10

Static

static

1

e9bbcfb5d9...7a.exe

windows7-x64

10

e9bbcfb5d9...7a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2023 01:30

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General

  • Target

    e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a.exe

  • Size

    144KB

  • MD5

    8ee82932641f3f527110b0f8ce6b11ce

  • SHA1

    fef4e9bc0d20f52423e02ec0bc6a52ea36af97a5

  • SHA256

    e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a

  • SHA512

    6330e3ef0d523406edaf6a2e4e597a460a59e80efe477e574e6e49455637221505152ebb885be9fdd139831e78636567c11f1d161ce4e39a9e65d094ea65968a

  • SSDEEP

    3072:tjQgjwASUryVehsZnsTQqLSA/thZhUzcB4r50W23HnBB:R9iV3nspZ/t/6KWmH

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 2BCE1B8F 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 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.

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
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

    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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookAW 64 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\e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a.exe
    "C:\Users\Admin\AppData\Local\Temp\e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a.exe"
    1⤵
    • Modifies extensions of user files
    • 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 SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:2240
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:4984
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5572
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:6248
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:5112
        • 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:5772
          • C:\Windows\System32\mshta.exe
            "C:\Windows\System32\mshta.exe" "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta"
            2⤵
              PID:5496
          • C:\Windows\system32\vssvc.exe
            C:\Windows\system32\vssvc.exe
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2520

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.id-2BCE1B8F.[[email protected]].java
            Filesize

            2.9MB

            MD5

            2b2b847d851f912d4513fa07587d474d

            SHA1

            2460c0098d69eb892cf3ad89363f29cede98a61d

            SHA256

            1555e6c6c76aae54ae04b68d5e2e315fbb5e8dddbc2d7b7596dd5df2da2ab94f

            SHA512

            1518357178bd731828d401a68fdcf68b0b4844bed5c4514f1b169cf4e98475015e39b5ac77391cf05eeb4ac7828bec351e7186e984a4bce7249eb1fa3f4a7a8b

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

            13KB

            MD5

            39cab6fda3395497cacd48067a7fde79

            SHA1

            a6db34fac24971822fec559823ecc3cfd2d438dd

            SHA256

            8791da815b4a4e082ff35b1aa3c5dfc6257e80231579a7de479df799c267a9c5

            SHA512

            36d234c41b46ba95c64c61737e24bac3dcd2947787c1c38bad76766e92de75bb2660246e3638dfb51ef1749fb5ad61d14fe54f4ce5a4c04f7c5fcbf8e841dc0c

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

            13KB

            MD5

            39cab6fda3395497cacd48067a7fde79

            SHA1

            a6db34fac24971822fec559823ecc3cfd2d438dd

            SHA256

            8791da815b4a4e082ff35b1aa3c5dfc6257e80231579a7de479df799c267a9c5

            SHA512

            36d234c41b46ba95c64c61737e24bac3dcd2947787c1c38bad76766e92de75bb2660246e3638dfb51ef1749fb5ad61d14fe54f4ce5a4c04f7c5fcbf8e841dc0c

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          • memory/3704-4107-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

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