General
- Target 13d1b5bcc807f84aa8ebd6f69a1013ac.exe
- Size 11.6MB
- Sample260907-xkyrystdke
- SHA256 acb54edce764ff6ee46bf23fcd7b0eb7347373bb9f9009f32e9da1cddb6b4621
- MD5 13d1b5bcc807f84aa8ebd6f69a1013ac
- SHA1 63aa9a7a28ec66eb482778c82f5c76437eb3931d
- SHA512 3518c062abca5cb7b53f116c08014dbc298670f0c07aa768d58d544ad508cc379176008a42c755edb952571816771e7deda7fd84798dcb5c995651beae8123fc
- SSDEEP 196608:v7uoCQEs9MQDNyUSv96nWFwK+9l46oWF5086VY:qLQxJjka19L88A
- TLSH T1C2C6E0837D8692B4D6AAC332D4621194B6207C8C6B7033DB2D45FAB52D237D82FB9F54
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
13d1b5bcc807f84aa8ebd6f69a1013ac.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
13d1b5bcc807f84aa8ebd6f69a1013ac.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
quasar
-
1.4.1
-
fuck2
-
9a7975b7-df6b-461a-82fc-4bd458e7aaf2
-
encryption_key
723A2B2A6F2EF73A3A133F7A10A174FDB6C54877
-
install_name
oasis.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Microsoft_Logs
-
reconnect_delay
300
-
startup_key
Quasar Client Startup
-
subdirectory
adobemirage
Targets
-
- Target 13d1b5bcc807f84aa8ebd6f69a1013ac.exe
- Size 11.6MB
- SHA256 acb54edce764ff6ee46bf23fcd7b0eb7347373bb9f9009f32e9da1cddb6b4621
- MD5 13d1b5bcc807f84aa8ebd6f69a1013ac
- SHA1 63aa9a7a28ec66eb482778c82f5c76437eb3931d
- SHA512 3518c062abca5cb7b53f116c08014dbc298670f0c07aa768d58d544ad508cc379176008a42c755edb952571816771e7deda7fd84798dcb5c995651beae8123fc
- SSDEEP 196608:v7uoCQEs9MQDNyUSv96nWFwK+9l46oWF5086VY:qLQxJjka19L88A
- TLSH T1C2C6E0837D8692B4D6AAC332D4621194B6207C8C6B7033DB2D45FAB52D237D82FB9F54
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Quasar payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
-
Executes dropped EXE
-
Accesses Microsoft Outlook profiles
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1