Overview

overview

10

Static

static

1

ab5be9e691...09.exe

windows7-x64

10

ab5be9e691...09.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2023 01:30

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General

  • Target

    ab5be9e6911b43f0974e01dabec772b968274d9b5ea39ba2ad7cd294056e5d09.exe

  • Size

    88KB

  • MD5

    56299609780e2286ccc2cf5857d531e8

  • SHA1

    ef7baf17905784df491641906645f00f73eff1d1

  • SHA256

    ab5be9e6911b43f0974e01dabec772b968274d9b5ea39ba2ad7cd294056e5d09

  • SHA512

    a44053d0c810448adddcd17e51682e43d51710de948644c82a141a1a8104cacedd44a274f13ea79de89f5cdfbb0e436791565baad1552d9853a5a94b446398cb

  • SSDEEP

    1536:7vie0XQsxILOW3Sm9S4AndhgXCpC1VYEzcM5BD11e0z:OeBsxInSNnhgX4CzwM

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] 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 to us up to 3 files for free decryption. Please note that files must NOT contain valuable information and their total size must be less than 10Mb. 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
  • 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 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\ab5be9e6911b43f0974e01dabec772b968274d9b5ea39ba2ad7cd294056e5d09.exe
    "C:\Users\Admin\AppData\Local\Temp\ab5be9e6911b43f0974e01dabec772b968274d9b5ea39ba2ad7cd294056e5d09.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:1360
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1984
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1008
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3184
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1168
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:2276
        • 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:940
        • 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:3312
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2340

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.[[email protected]].wallet
        Filesize

        24.4MB

        MD5

        366f8c0a39706f85400dde81caad4b67

        SHA1

        e165a70853cc35d9203b9392f78a50bf32f9ffce

        SHA256

        4fbd444a090e32a37c87bbcc243869783d099c157a206485fc990dc9349f03c0

        SHA512

        f5e11a058a0e49c94f09f2f2421977ebac2fbd373c13182542ab055cead448418498ea8becc5329d8673dfe216eaa16e40a03d9de644c2bc1aecdc710d0ced89

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

        13KB

        MD5

        2df5a461498e11a117a2513f22d203b6

        SHA1

        96eecf1b74ef2650be07e062eb7b2597d9c39bc2

        SHA256

        5bcef0258fa0c6a1084ad9824af8aac4ea2a55b8b3597bcd84ba31bfd0ddf551

        SHA512

        e6d8dabb38b666fb99b6409d35d7a6eab25d1802d74a8260cc1d505647d59b98f296d4b869099f96b806883cc611a12e2a9afbff65726dd7f1643d26cc1d0862

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

        13KB

        MD5

        2df5a461498e11a117a2513f22d203b6

        SHA1

        96eecf1b74ef2650be07e062eb7b2597d9c39bc2

        SHA256

        5bcef0258fa0c6a1084ad9824af8aac4ea2a55b8b3597bcd84ba31bfd0ddf551

        SHA512

        e6d8dabb38b666fb99b6409d35d7a6eab25d1802d74a8260cc1d505647d59b98f296d4b869099f96b806883cc611a12e2a9afbff65726dd7f1643d26cc1d0862

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      • memory/940-20180-0x000007FFFFF90000-0x000007FFFFFA0000-memory.dmp

        Filesize

        64KB

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