Overview

overview

10

Static

static

e7c07f9ed7...e2.exe

windows7-x64

10

e7c07f9ed7...e2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 22:31

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General

  • Target

    e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe

  • Size

    218KB

  • MD5

    86e43b97d07548d1910a58c20058c74b

  • SHA1

    f5d0274f1f1e28a6ce4928255a8f10cacfded006

  • SHA256

    e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2

  • SHA512

    3269a54b317c477801064dd8a70da8fed69bc3c2b35f460824238bf24840235188c462a92c93404adf39f47b756b90d9a7eb471168d1b64e87fc6a1e14d230a2

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 admin@sectex.net Write this ID in the title of your message DD796CA5 In case of no answer in 24 hours write us to theese e-mails: admin@sectex.world 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.
Emails

admin@sectex.net

admin@sectex.world

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 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe
    "C:\Users\Admin\AppData\Local\Temp\e7c07f9ed71d4819d022fedbcb8bcc3162c368caa1ddad3838420b6bb73173e2.exe"
    1⤵
    • Modifies extensions of user files
    • 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:1856
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1868
      • C:\Windows\system32\mode.com
        mode con cp select=1251
        3⤵
          PID:1452
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:836
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:760
        • C:\Windows\system32\mode.com
          mode con cp select=1251
          3⤵
            PID:1704
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            3⤵
            • Interacts with shadow copies
            PID:1320
        • 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:1816
        • 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:1348
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1924

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      File Deletion

      2
      T1107

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Data from Local System

      1
      T1005

      Exfiltration

      Command and Control

      Impact

      Inhibit System Recovery

      2
      T1490

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        13KB

        MD5

        c25e229fb79623de0d0813d10a12d4b7

        SHA1

        c5b0dad5b0aa48b3ab09126b629896a00f7b5c10

        SHA256

        649aea093b7cde492c08cb7405922457edca7bc8494fa150fae1d0a0fb640a69

        SHA512

        aca167020ce7e5798ff7e3cddf9b138a3278a098f2c6e5c280135336e67cdf1eed60a54d5ea233d5663af3f44da84c14c7066d0a15db9ac292bffbaad201ab36

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

        13KB

        MD5

        c25e229fb79623de0d0813d10a12d4b7

        SHA1

        c5b0dad5b0aa48b3ab09126b629896a00f7b5c10

        SHA256

        649aea093b7cde492c08cb7405922457edca7bc8494fa150fae1d0a0fb640a69

        SHA512

        aca167020ce7e5798ff7e3cddf9b138a3278a098f2c6e5c280135336e67cdf1eed60a54d5ea233d5663af3f44da84c14c7066d0a15db9ac292bffbaad201ab36

        Download Submit
      • memory/760-61-0x0000000000000000-mapping.dmp
        Download
      • memory/836-57-0x0000000000000000-mapping.dmp
        Download
      • memory/1320-63-0x0000000000000000-mapping.dmp
        Download
      • memory/1348-65-0x0000000000000000-mapping.dmp
        Download
      • memory/1348-66-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1452-56-0x0000000000000000-mapping.dmp
        Download
      • memory/1704-62-0x0000000000000000-mapping.dmp
        Download
      • memory/1816-64-0x0000000000000000-mapping.dmp
        Download
      • memory/1856-58-0x000000000028B000-0x000000000029E000-memory.dmp
        Filesize

        76KB

        Download
      • memory/1856-60-0x0000000000400000-0x0000000004E8F000-memory.dmp
        Filesize

        74.6MB

        Download
      • memory/1856-59-0x00000000001B0000-0x00000000001C9000-memory.dmp
        Filesize

        100KB

        Download
      • memory/1856-54-0x0000000075831000-0x0000000075833000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1868-55-0x0000000000000000-mapping.dmp
        Download