General
- Target https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0
- Sample240327-ylpfcaaf83
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0
Resource
win11-20240221-en
Malware Config
Extracted
-
modiloader
-
https://drive.google.com/u/0/uc?id=1TcSctGVBajYMA7CFDc158wpvqkpxmkhJ&export=download
Extracted
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remcos
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1.7 Pro
-
Host
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nickman12-46565.portmap.io:46565
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nickman12-46565.portmap.io:1735
-
audio_folder
audio
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audio_path
%AppData%
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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
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njrat
-
0.7d
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Geforce
-
startitit2-23969.portmap.host:1604
-
b9584a316aeb9ca9b31edd4db18381f5
-
reg_key
b9584a316aeb9ca9b31edd4db18381f5
-
splitter
Y262SUCZ4UJJ
Extracted
-
warzonerat
-
168.61.222.215:5400
Extracted
-
crimsonrat
-
185.136.161.124
Extracted
-
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___KT6G3RG_.txt
-
cerber
- 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/7CC2-96E6-302E-0098-BFC0 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/7CC2-96E6-302E-0098-BFC0 2. http://xpcx6erilkjced3j.19kdeh.top/7CC2-96E6-302E-0098-BFC0 3. http://xpcx6erilkjced3j.1mpsnr.top/7CC2-96E6-302E-0098-BFC0 4. http://xpcx6erilkjced3j.18ey8e.top/7CC2-96E6-302E-0098-BFC0 5. http://xpcx6erilkjced3j.17gcun.top/7CC2-96E6-302E-0098-BFC0 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----
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http://xpcx6erilkjced3j.onion/7CC2-96E6-302E-0098-BFC0
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http://xpcx6erilkjced3j.1n5mod.top/7CC2-96E6-302E-0098-BFC0
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http://xpcx6erilkjced3j.19kdeh.top/7CC2-96E6-302E-0098-BFC0
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http://xpcx6erilkjced3j.1mpsnr.top/7CC2-96E6-302E-0098-BFC0
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http://xpcx6erilkjced3j.18ey8e.top/7CC2-96E6-302E-0098-BFC0
-
http://xpcx6erilkjced3j.17gcun.top/7CC2-96E6-302E-0098-BFC0
Targets
-
- Target https://www.dropbox.com/scl/fo/qy2qk79x2gtuwswxjxcla/h?rlkey=9ophpx1zlqaopl8j3d53sf3wi&dl=0
CrimsonRAT main payload
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
Modifies WinLogon for persistence
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
ModiLoader First Stage
Warzone RAT payload
Contacts a large (1239) amount of remote hosts
This may indicate a network scan to discover remotely running services.
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Disables use of System Restore points
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Sets file execution options in registry
ACProtect 1.3x - 1.4x DLL software
Detects file using ACProtect software.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Drops startup file
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Indicator Removal
2File Deletion
2Modify Registry
9Subvert Trust Controls
1Install Root Certificate
1