General

  • Target

    The-MALWARE-Repo-master.zip

  • Size

    198.8MB

  • Sample

    241227-ett61s1phz

  • MD5

    af60ad5b6cafd14d7ebce530813e68a0

  • SHA1

    ad81b87e7e9bbc21eb93aca7638d827498e78076

  • SHA256

    b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

  • SHA512

    81314363d5d461264ed5fdf8a7976f97bceb5081c374b4ee6bbea5d8ce3386822d089d031234ddd67c5077a1cc1ed3f6b16139253fbb1b3d34d3985f9b97aba3

  • SSDEEP

    6291456:wNl3aFW2h9/fiTwCzCLS6iilVkLZgAEtknRzq:wDaFd//Orcpi4VkL6AfRG

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Geforce

C2

startitit2-23969.portmap.host:1604

Mutex

b9584a316aeb9ca9b31edd4db18381f5

Attributes
  • reg_key

    b9584a316aeb9ca9b31edd4db18381f5

  • splitter

    Y262SUCZ4UJJ

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

nickman12-46565.portmap.io:46565

nickman12-46565.portmap.io:1735

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Userdata.exe

  • copy_folder

    Userdata

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_vcexssuhap

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

revengerat

Botnet

Guest

C2

0.tcp.ngrok.io:19521

Mutex

RV_MUTEX

Extracted

Family

lokibot

C2

http://blesblochem.com/two/gates1/fre.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Targets

    • Target

      The-MALWARE-Repo-master.zip

    • Size

      198.8MB

    • MD5

      af60ad5b6cafd14d7ebce530813e68a0

    • SHA1

      ad81b87e7e9bbc21eb93aca7638d827498e78076

    • SHA256

      b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

    • SHA512

      81314363d5d461264ed5fdf8a7976f97bceb5081c374b4ee6bbea5d8ce3386822d089d031234ddd67c5077a1cc1ed3f6b16139253fbb1b3d34d3985f9b97aba3

    • SSDEEP

      6291456:wNl3aFW2h9/fiTwCzCLS6iilVkLZgAEtknRzq:wDaFd//Orcpi4VkL6AfRG

    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

    • Chimera family

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • UAC bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (3294) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables use of System Restore points

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Deletes itself

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks