Overview

overview

10

Static

static

1

Endermanch...r5.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    106s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15-07-2024 10:55

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General

  • Target

    [email protected]

  • Size

    313KB

  • MD5

    fe1bc60a95b2c2d77cd5d232296a7fa4

  • SHA1

    c07dfdea8da2da5bad036e7c2f5d37582e1cf684

  • SHA256

    b3e1e9d97d74c416c2a30dd11858789af5554cf2de62f577c13944a19623777d

  • SHA512

    266c541a421878e1e175db5d94185c991cec5825a4bc50178f57264f3556080e6fe984ed0380acf022ce659aa1ca46c9a5e97efc25ff46cbfd67b9385fd75f89

  • SSDEEP

    6144:nl578cxdGY87FohbnmM2i8ito7wTmCbL94KCT3OAmK:nl59zH8MiM2z+NLQBN

Score
10/10
cerberdiscoveryevasionpersistenceprivilege_escalationransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___5VLP_.txt

Family

cerber

Ransom Note
Hi, I'am CRBR ENCRYPTOR ;) ----- ALL YOUR DOCUMENTS, PH0T0S, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only one way to decrypt your files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_R_E_A_D___T_H_I_S_*) with complete instructions how to decrypt your files. If you cannot find any (*_R_E_A_D___T_H_I_S_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://xpcx6erilkjced3j.onion/A7E0-87E9-DDE1-0098-BB94 Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://xpcx6erilkjced3j.1n5mod.top/A7E0-87E9-DDE1-0098-BB94 2. http://xpcx6erilkjced3j.19kdeh.top/A7E0-87E9-DDE1-0098-BB94 3. http://xpcx6erilkjced3j.1mpsnr.top/A7E0-87E9-DDE1-0098-BB94 4. http://xpcx6erilkjced3j.18ey8e.top/A7E0-87E9-DDE1-0098-BB94 5. http://xpcx6erilkjced3j.17gcun.top/A7E0-87E9-DDE1-0098-BB94 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
URLs

http://xpcx6erilkjced3j.onion/A7E0-87E9-DDE1-0098-BB94

http://xpcx6erilkjced3j.1n5mod.top/A7E0-87E9-DDE1-0098-BB94

http://xpcx6erilkjced3j.19kdeh.top/A7E0-87E9-DDE1-0098-BB94

http://xpcx6erilkjced3j.1mpsnr.top/A7E0-87E9-DDE1-0098-BB94

http://xpcx6erilkjced3j.18ey8e.top/A7E0-87E9-DDE1-0098-BB94

http://xpcx6erilkjced3j.17gcun.top/A7E0-87E9-DDE1-0098-BB94

Signatures

  • Cerber

    Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.

    ransomwarecerber
  • Contacts a large (1097) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Drops startup file 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 38 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
    evasion
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Drops startup file
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:3956
    • C:\Windows\SysWOW64\netsh.exe
      C:\Windows\system32\netsh.exe advfirewall reset
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      PID:4776
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___2LTWUY6N_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
        PID:1980
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___OK9R_.txt
        2⤵
        • Opens file in notepad (likely ransom note)
        PID:844
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /d /c taskkill /f /im "E" > NUL & ping -n 1 127.0.0.1 > NUL & del "C" > NUL && exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4500
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im "E"
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3512
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 1 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:3328
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /0
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1904
    • C:\Windows\SysWOW64\werfault.exe
      werfault.exe /h /shared Global\f03c4654b616429b9ab809fe68f5ffe5 /t 3792 /p 1980
      1⤵
        PID:1420

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___5VLP_.txt
        Filesize

        1KB

        MD5

        995c43077bbf04657cfb21698afded45

        SHA1

        6b399637ae9166bc1ba70bafac65a06785aac522

        SHA256

        aa16bf6343db4b3c11bb5fcd9bbe799768919496351c54cd51e6ba231bd851fd

        SHA512

        7deb93472e7729e1996a2462a27c8efa60701cf81a42de118f782b2ead75f7f4f8de7dcfa570811d92463f5295155557a44012c2d586ea5e350c1868ae6d35cf

        Download Submit

      • C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___CK3S_.hta
        Filesize

        75KB

        MD5

        dcbd5f375a6b0f9572e330b518b4d50b

        SHA1

        168270ae8000e1586196c3d5dac0f641a2b126d9

        SHA256

        e86940dda8caf589b5358bee2e67883a372975fca15b14ad0a82ed78cf9b6a8b

        SHA512

        9e6e6ce77878c7254ae5a1f2d312635a452ce4cd5218f67aea869217942caf19f040caeda00be62988ac25d06c849cc12919a22f60dcbeda663687dd9f3b2fb5

        Download Submit

      • memory/1904-15-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-12-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-6-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-5-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-10-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-16-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-11-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-14-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-13-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1904-4-0x0000021870D30000-0x0000021870D31000-memory.dmp

        Filesize

        4KB

        Download

      • memory/5020-0-0x0000000001650000-0x0000000001681000-memory.dmp

        Filesize

        196KB

        Download

      • memory/5020-19-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/5020-2-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/5020-1-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/5020-384-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/5020-407-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB

        Download

      • memory/5020-410-0x0000000000440000-0x000000000044E000-memory.dmp

        Filesize

        56KB

        Download