General
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://cdn.discordapp.com/attachments/1245482251467362385/1245491763477610506/BetterSolara.exe?ex=6658f218&is=6657a098&hm=6d4a1d7d00451c014a500cb11aa96a187ef87e27e44a2d7e34eb3e57704912ab&
Resource
win10v2004-20240508-en
Malware Config
Extracted
limerat
-
aes_key
0790308
-
antivm
true
-
c2_url
https://pastebin.com/raw/J0uqtmU4
-
delay
3
-
download_payload
false
-
install
true
-
install_name
Wservices.exe
-
main_folder
AppData
-
pin_spread
false
-
sub_folder
\
-
usb_spread
false
Extracted
limerat
-
antivm
false
-
c2_url
https://pastebin.com/raw/J0uqtmU4
-
download_payload
false
-
install
false
-
pin_spread
false
-
usb_spread
false
Targets
-
-
Target
https://cdn.discordapp.com/attachments/1245482251467362385/1245491763477610506/BetterSolara.exe?ex=6658f218&is=6657a098&hm=6d4a1d7d00451c014a500cb11aa96a187ef87e27e44a2d7e34eb3e57704912ab&
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1