General
-
Target
test.txt
-
Size
18B
-
Sample
250221-tegppsvkdx
-
MD5
5b3f97d48c8751bd031b7ea53545bdb6
-
SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
-
SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
-
SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
Static task
static1
Behavioral task
behavioral1
Sample
test.txt
Resource
win11-20250217-en
Malware Config
Extracted
orcus
127.0.0.1:443
-
autostart_method
Disable
-
enable_keylogger
false
-
install_path
%programfiles%\Orcus\Orcus.exe
-
reconnect_delay
10000
-
registry_keyname
Orcus
-
taskscheduler_taskname
Orcus
-
watchdog_path
AppData\OrcusWatchdog.exe
Targets
-
-
Target
test.txt
-
Size
18B
-
MD5
5b3f97d48c8751bd031b7ea53545bdb6
-
SHA1
88be3374c62f23406ec83bb11279f8423bd3f88d
-
SHA256
d8fce9dd9c65ca143343f7711859a7cffc3c5e656a8b84108183fb769a12ed8b
-
SHA512
ed2de1eec50310ced4bde8ef6ae4b7902920b007df7b6aeb200cfe9fcc0d36ef05af7526c4675be2feac52831668798d5fe3523175efad6f6549b30f30a0b5d6
-
Orcus family
-
Orcus main payload
-
Orcurs Rat Executable
-
Downloads MZ/PE file
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
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
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Modify Registry
3Subvert Trust Controls
2Install Root Certificate
1SIP and Trust Provider Hijacking
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1