Overview

overview

10

Static

static

1

e9bbcfb5d9...7a.exe

windows7-x64

10

e9bbcfb5d9...7a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 B20FA6FA 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
  • 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 SetWindowsHookAW 64 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\e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a.exe
    "C:\Users\Admin\AppData\Local\Temp\e9bbcfb5d9f42ef0dd75eb435e78d5226087679593893e0c08977694e720cd7a.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 SetWindowsHookAW
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1624
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1088
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:2576
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:864
        • 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:2592
        • 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:2828
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2108

      Network

      MITRE ATT&CK Enterprise v6

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      Downloads

      • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\osetup.dll.id-B20FA6FA.[[email protected]].java
        Filesize

        6.3MB

        MD5

        b648619678c970ebc46b561a3af914ef

        SHA1

        7b47a8a878c712ee4af686c96de4fc7f38793d56

        SHA256

        a381bd5cbddfae40e75036279940ec595d8435bd07cb296a9ae66150da5d7be5

        SHA512

        8d5a9164ab623ee0ba0a953339b0e1dad9ea8a687330e21d085e9b2d52d16a0ce9f533470022bc233305aa87b9c36af027ccbf82bcf64d13990a9eabff139837

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

        13KB

        MD5

        81b210161cbded1b84be5df7338bd2c0

        SHA1

        140ceb985a23265c347566420b4d85222e6e30f0

        SHA256

        854f6a255a8c123f727792d0fbd398f5426b321945fe6d3554c28916839e5b67

        SHA512

        941438eec7365b16b09f927876ea88310410931d1867466b56856c15d7c937706bcb6dd504f59119ca96ba8aa93d87e6cb726059696dc01886e6754c05ff5b8e

        Download Submit

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

        13KB

        MD5

        81b210161cbded1b84be5df7338bd2c0

        SHA1

        140ceb985a23265c347566420b4d85222e6e30f0

        SHA256

        854f6a255a8c123f727792d0fbd398f5426b321945fe6d3554c28916839e5b67

        SHA512

        941438eec7365b16b09f927876ea88310410931d1867466b56856c15d7c937706bcb6dd504f59119ca96ba8aa93d87e6cb726059696dc01886e6754c05ff5b8e

        Download Submit

      • memory/1212-7534-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

        Download

      • memory/2592-20180-0x000007FFFFF80000-0x000007FFFFF90000-memory.dmp

        Filesize

        64KB

        Download