General
-
Target
downloader11.exe
-
Size
70.1MB
-
Sample
240824-xj8wjawblq
-
MD5
7e4b04a254d52d6745a5d614ad447636
-
SHA1
09972b7895437ba28485ed0be0fadc22d6b710b6
-
SHA256
769e75f011679a606c9a6afbb6380942d08389ace334bfa7399b44bfcbc7db19
-
SHA512
e85d6e25cdbf6833de0586d477e0fe3741d5223e4f3be8ccc96984dc63eef045ccdf68aaae51c2ff2205da7f911008fbba7915d7553abb5ae92f9bc73c2cc2f8
-
SSDEEP
393216:lWxQN89qQk4adiJCuE2fUCdod+OvqKkZHzXhJ/KTe8uiBUtkc0k3qRsGg4GUo3N3:lWoI7zGP5ahWc3ImF
Static task
static1
Behavioral task
behavioral1
Sample
downloader11.exe
Resource
win7-20240705-en
Malware Config
Extracted
xworm
83.38.19.195:1603
-
Install_directory
%Temp%
-
install_file
Runtime Broker.exe
Targets
-
-
Target
downloader11.exe
-
Size
70.1MB
-
MD5
7e4b04a254d52d6745a5d614ad447636
-
SHA1
09972b7895437ba28485ed0be0fadc22d6b710b6
-
SHA256
769e75f011679a606c9a6afbb6380942d08389ace334bfa7399b44bfcbc7db19
-
SHA512
e85d6e25cdbf6833de0586d477e0fe3741d5223e4f3be8ccc96984dc63eef045ccdf68aaae51c2ff2205da7f911008fbba7915d7553abb5ae92f9bc73c2cc2f8
-
SSDEEP
393216:lWxQN89qQk4adiJCuE2fUCdod+OvqKkZHzXhJ/KTe8uiBUtkc0k3qRsGg4GUo3N3:lWoI7zGP5ahWc3ImF
-
Detect Xworm Payload
-
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.
-
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.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
-
Adds Run key to start application
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1