General
- Target SeroXen.rar
- Size 7.4MB
- Sample260415-3mwy2aev5y
- SHA256 43b56573aa46b0a5c526e41ef58f0e902074181622a7b7508fa97c447b8afcc9
- MD5 3e5e034189b129f8ffd7b6ae57982740
- SHA1 a099319659a4852ee87219d15bd04606660a9afa
- SHA512 578eec54ab0603ba4689590a181510e9aaf04bb3863f6283f19ff241f343ccd9cfbac8d35b7bcb65ece1d76122e0b808f90918ac468e3b4987717bd821c5b258
- SSDEEP 196608:zSoEufZDDXsWegc13ygKrA8Uwsqew2k8ASGh/RHrw:zSoZDDXvcwrA8KkLB/hw
- TLSH T14376337EEB19DC962F6007262B06A7370E7453A79EF21D2548C78FC79E178118A2AD31
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
SeroXen.rar
Resource
win11-20260130-en
22 signatures
150 seconds
Malware Config
Extracted
Family
-
quasar
Version
-
15.5.0
Botnet
-
SeroXen
C2
-
147.185.221.20:49485
Mutex
-
QSR_MUTEX_rzhQPLl57DqbMvbZp9
Attributes
-
encryption_key
M2nw0PLpJxuyZQLyQ14p
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
$sxr-Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Targets
-
- Target SeroXen.rar
- Size 7.4MB
- SHA256 43b56573aa46b0a5c526e41ef58f0e902074181622a7b7508fa97c447b8afcc9
- MD5 3e5e034189b129f8ffd7b6ae57982740
- SHA1 a099319659a4852ee87219d15bd04606660a9afa
- SHA512 578eec54ab0603ba4689590a181510e9aaf04bb3863f6283f19ff241f343ccd9cfbac8d35b7bcb65ece1d76122e0b808f90918ac468e3b4987717bd821c5b258
- SSDEEP 196608:zSoEufZDDXsWegc13ygKrA8Uwsqew2k8ASGh/RHrw:zSoZDDXvcwrA8KkLB/hw
- TLSH T14376337EEB19DC962F6007262B06A7370E7453A79EF21D2548C78FC79E178118A2AD31
- MD5 SHA1 SHA512 SSDEEP TLSH
Detects DonutLoader
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
Quasar payload
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Executes dropped EXE
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.