General
- Target Client-built.exe
- Size 3.1MB
- Sample260803-rm9z4ssxhs
- SHA256 9e579cd2466bcf0f9cae85de0116a11142b9692507216c2fdbb024e77f3b4e1a
- MD5 7778c0a267761c19e11d529184e846c6
- SHA1 f799284156f0e6bcfca5085cec11b9ca2f0b3997
- SHA512 4ccdad8f104010b6f9cefd0c8c7fdbaf754487307f13f903bd614a9ec0a12662b4e0aa8c7da585950fcf516c2108875d89f97cbd0a76103ce742b95cfa893500
- SSDEEP 49152:Dvgz92YpaQI6oPZlhP3ReybewoSImrsMfHnoGd9xqTHHB72eh2NT:Dv692YpaQI6oPZlhP3YybewoSImrf
- TLSH T1D4E55A143BF85E63E16AD773DAB0501663F1FC2AF363EB0B6191667E1C53B4058026AB
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10v2004-20260513-en
15 signatures
150 seconds
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
indianrojgar.com:443
-
www.indianrojgar.com:443
-
indianrojgar.com:80
-
www.indianrojgar.com:80
Mutex
-
fa9f3b2b-1646-4572-b191-f1072225e86b
Attributes
-
encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Targets
-
- Target Client-built.exe
- Size 3.1MB
- SHA256 9e579cd2466bcf0f9cae85de0116a11142b9692507216c2fdbb024e77f3b4e1a
- MD5 7778c0a267761c19e11d529184e846c6
- SHA1 f799284156f0e6bcfca5085cec11b9ca2f0b3997
- SHA512 4ccdad8f104010b6f9cefd0c8c7fdbaf754487307f13f903bd614a9ec0a12662b4e0aa8c7da585950fcf516c2108875d89f97cbd0a76103ce742b95cfa893500
- SSDEEP 49152:Dvgz92YpaQI6oPZlhP3ReybewoSImrsMfHnoGd9xqTHHB72eh2NT:Dv692YpaQI6oPZlhP3YybewoSImrf
- TLSH T1D4E55A143BF85E63E16AD773DAB0501663F1FC2AF363EB0B6191667E1C53B4058026AB
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Quasar payload
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1