General
- Target [email protected]
- Size 124KB
- Sample261011-s9b72acf52
- SHA256 dac7fac1d7d9acc529762965361ec433e0c6543e9d86a2bf0d7ffe8695ac7c75
- MD5 4d35b06306914d078e05484264d8fa8f
- SHA1 9028b5b3a740cdd08a8e75f573ec5294c032becf
- SHA512 47e6c607653fb89d6562707bb9709c910480cf3fb715b6aa16f5f77782a2172a6234187c3a61dac7c8d06c76167f71b5fef3f6efbe79d1df42a2ad54163d9ea3
- SSDEEP 1536:EstL55ZVs5vK7thTrTJbtsvcyLNF8ZAlymuQ75mUX14eRLdEUxW3DBIYGUHerbqK:EsvIvK7nrTJbtoc2VuQksyep8KYWwO1
- TLSH T152C3C4547BE9511EF2BBCB7CA8B1E1144A76BC132CD1D65D0DD430F90A31B80B992FAA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
Cn0NzDR7O8de
-
delay
3
-
install
true
-
install_file
Top1Server.exe
-
install_folder
%AppData%
Extracted
-
ps1
-
ps1.dropper
http://8ss8.net/malware/load.ps1
Targets
-
- Target [email protected]
- Size 124KB
- SHA256 dac7fac1d7d9acc529762965361ec433e0c6543e9d86a2bf0d7ffe8695ac7c75
- MD5 4d35b06306914d078e05484264d8fa8f
- SHA1 9028b5b3a740cdd08a8e75f573ec5294c032becf
- SHA512 47e6c607653fb89d6562707bb9709c910480cf3fb715b6aa16f5f77782a2172a6234187c3a61dac7c8d06c76167f71b5fef3f6efbe79d1df42a2ad54163d9ea3
- SSDEEP 1536:EstL55ZVs5vK7thTrTJbtsvcyLNF8ZAlymuQ75mUX14eRLdEUxW3DBIYGUHerbqK:EsvIvK7nrTJbtoc2VuQksyep8KYWwO1
- TLSH T152C3C4547BE9511EF2BBCB7CA8B1E1144A76BC132CD1D65D0DD430F90A31B80B992FAA
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Async RAT payload
-
Modifies WinLogon for persistence
-
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Event Triggered Execution: Image File Execution Options Injection
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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
-
Registers new Windows logon scripts automatically executed at logon.
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1