Overview

overview

10

Static

static

0e3eeeff8a...56.exe

windows7_x64

10

0e3eeeff8a...56.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    190s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-06-2022 19:33

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General

  • Target

    0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256.exe

  • Size

    604KB

  • MD5

    5836ef38d2aa4152f5787e506951048c

  • SHA1

    72e36c98291f7dad95fa2a77f0d843e6b931f0dd

  • SHA256

    0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256

  • SHA512

    4540097f7cead8f61bc71aed09564fb15da6e6b52dfe97a7e47431790241c5f13be5c6e7120326162fb54ed06b0a2618896cd91809595b04c519381121df71a2

Score
10/10
evasionpersistenceransomwaresuricata

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-2632097139-1792035885-811742494-1000\_H_e_l_p_RECOVER_INSTRUCTIONS+bfq.txt

Ransom Note
__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#!__!@#!@#! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/79DEB3EF5598668 2. http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/79DEB3EF5598668 3. http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/79DEB3EF5598668 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/79DEB3EF5598668 4. Follow the instructions on the site. !!! IMPORTANT INFORMATION: !!! Your personal pages: http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/79DEB3EF5598668 http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/79DEB3EF5598668 http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/79DEB3EF5598668 !!! Your personal page Tor-Browser: fwgrhsao3aoml7ej.onion/79DEB3EF5598668 !!! Your personal identification ID: 79DEB3EF5598668
URLs

http://jj4dhbg4d86sdgrsdfzcadc.ziraimshi.com/79DEB3EF5598668

http://uu5dbnmsedf4s3jdnfbh34fsdf.parsesun.at/79DEB3EF5598668

http://perc54hg47fhnkjnfvcdgvdc.clinkjuno.com/79DEB3EF5598668

http://fwgrhsao3aoml7ej.onion/79DEB3EF5598668

Signatures

  • suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata: ET MALWARE Alphacrypt/TeslaCrypt Ransomware CnC Beacon

    suricata
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 5 IoCs
    ransomwareevasion
  • Adds policy Run key to start application 2 TTPs 2 IoCs
    persistence
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 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 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256.exe
    "C:\Users\Admin\AppData\Local\Temp\0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:600
    • C:\Users\Admin\AppData\Local\Temp\0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256.exe
      "C:\Users\Admin\AppData\Local\Temp\0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4092
      • C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
        C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2416
        • C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
          C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
          4⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Checks computer location settings
          • Drops file in Program Files directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:544
          • C:\Windows\SYSTEM32\bcdedit.exe
            bcdedit.exe /set {current} bootems off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:3748
          • C:\Windows\System32\vssadmin.exe
            "C:\Windows\System32\vssadmin.exe" delete shadows /all /Quiet
            5⤵
            • Interacts with shadow copies
            PID:1460
          • C:\Windows\SYSTEM32\bcdedit.exe
            bcdedit.exe /set {current} advancedoptions off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2792
          • C:\Windows\SYSTEM32\bcdedit.exe
            bcdedit.exe /set {current} optionsedit off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:768
          • C:\Windows\SYSTEM32\bcdedit.exe
            bcdedit.exe /set {current} bootstatuspolicy IgnoreAllFailures
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:3772
          • C:\Windows\SYSTEM32\bcdedit.exe
            bcdedit.exe /set {current} recoveryenabled off
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:3916
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c DEL C:\Users\Admin\AppData\Local\Temp\0E3EEE~1.EXE
        3⤵
          PID:2988
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1088

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
      Filesize

      604KB

      MD5

      5836ef38d2aa4152f5787e506951048c

      SHA1

      72e36c98291f7dad95fa2a77f0d843e6b931f0dd

      SHA256

      0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256

      SHA512

      4540097f7cead8f61bc71aed09564fb15da6e6b52dfe97a7e47431790241c5f13be5c6e7120326162fb54ed06b0a2618896cd91809595b04c519381121df71a2

      Download Submit

    • C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
      Filesize

      604KB

      MD5

      5836ef38d2aa4152f5787e506951048c

      SHA1

      72e36c98291f7dad95fa2a77f0d843e6b931f0dd

      SHA256

      0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256

      SHA512

      4540097f7cead8f61bc71aed09564fb15da6e6b52dfe97a7e47431790241c5f13be5c6e7120326162fb54ed06b0a2618896cd91809595b04c519381121df71a2

      Download Submit

    • C:\Users\Admin\AppData\Roaming\wbxlfxm.exe
      Filesize

      604KB

      MD5

      5836ef38d2aa4152f5787e506951048c

      SHA1

      72e36c98291f7dad95fa2a77f0d843e6b931f0dd

      SHA256

      0e3eeeff8a9838a73de58d935e38417fca0b4948849343fc2a94251c4e4e4256

      SHA512

      4540097f7cead8f61bc71aed09564fb15da6e6b52dfe97a7e47431790241c5f13be5c6e7120326162fb54ed06b0a2618896cd91809595b04c519381121df71a2

      Download Submit

    • memory/544-154-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/544-147-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/544-146-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/544-145-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/600-130-0x0000000000800000-0x0000000000803000-memory.dmp

      Filesize

      12KB

      Download

    • memory/600-134-0x0000000000800000-0x0000000000803000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4092-141-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4092-139-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4092-135-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4092-133-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/4092-132-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download