General
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Target
The-MALWARE-Repo-master.zip
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Size
198.8MB
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Sample
241227-ett61s1phz
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MD5
af60ad5b6cafd14d7ebce530813e68a0
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SHA1
ad81b87e7e9bbc21eb93aca7638d827498e78076
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SHA256
b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1
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SHA512
81314363d5d461264ed5fdf8a7976f97bceb5081c374b4ee6bbea5d8ce3386822d089d031234ddd67c5077a1cc1ed3f6b16139253fbb1b3d34d3985f9b97aba3
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SSDEEP
6291456:wNl3aFW2h9/fiTwCzCLS6iilVkLZgAEtknRzq:wDaFd//Orcpi4VkL6AfRG
Static task
static1
Behavioral task
behavioral1
Sample
The-MALWARE-Repo-master.zip
Resource
win11-20241007-en
Malware Config
Extracted
njrat
0.7d
Geforce
startitit2-23969.portmap.host:1604
b9584a316aeb9ca9b31edd4db18381f5
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reg_key
b9584a316aeb9ca9b31edd4db18381f5
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splitter
Y262SUCZ4UJJ
Extracted
remcos
1.7 Pro
Host
nickman12-46565.portmap.io:46565
nickman12-46565.portmap.io:1735
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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copy_file
Userdata.exe
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copy_folder
Userdata
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delete_file
true
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hide_file
true
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hide_keylog_file
true
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install_flag
true
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install_path
%WinDir%\System32
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keylog_crypt
true
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%WinDir%\System32
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mouse_option
false
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mutex
remcos_vcexssuhap
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
revengerat
Guest
0.tcp.ngrok.io:19521
RV_MUTEX
Extracted
lokibot
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
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Target
The-MALWARE-Repo-master.zip
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Size
198.8MB
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MD5
af60ad5b6cafd14d7ebce530813e68a0
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SHA1
ad81b87e7e9bbc21eb93aca7638d827498e78076
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SHA256
b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1
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SHA512
81314363d5d461264ed5fdf8a7976f97bceb5081c374b4ee6bbea5d8ce3386822d089d031234ddd67c5077a1cc1ed3f6b16139253fbb1b3d34d3985f9b97aba3
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SSDEEP
6291456:wNl3aFW2h9/fiTwCzCLS6iilVkLZgAEtknRzq:wDaFd//Orcpi4VkL6AfRG
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Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
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Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Chimera family
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Lokibot family
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Modifies WinLogon for persistence
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (3294) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables RegEdit via registry modification
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Disables Task Manager via registry modification
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Disables use of System Restore points
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Event Triggered Execution: Image File Execution Options Injection
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Modifies Windows Firewall
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Deletes itself
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Executes dropped EXE
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Impair Defenses: Safe Mode Boot
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Drops desktop.ini file(s)
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
2Image File Execution Options Injection
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
2Safe Mode Boot
1Indicator Removal
2File Deletion
2Modify Registry
5