Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/10/2026, 15:01
Behavioral task
behavioral1
Sample
cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
General
- Target cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe
- Size 19.9MB
- Sample261013-sd2stayxds
- SHA256 cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61
- MD5 1a2677ba4d34323c9fbe97732214f9c1
- SHA1 102490ed499df549b5fc3b2baa9e1f9e035a3522
- SHA512 f7f4211300a290514cca4cc621357ebe853d324ee8bd96f6f0aa26f925a9c20d5c75640c4032480aa09c35645665f7f8fc928dfa50bedfc2933ddfc65443f51d
- SSDEEP 393216:nH/hex2PkZvdm51PQ8hex2PkZvdm51PQeaUGcG:nH/hOEPhOElaUGcG
- TLSH T111276B1D6F9401DBF46A853B8A626203F6B2B819EF35D2CB1E7362791E637C04935732
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
cyrus.anondns.net:6789
Mutex
-
01274b31-bc4f-4a86-88ad-bf9da4bfca86
Attributes
-
encryption_key
A18388F29F2F6C4FDEB2301666774ED50C14A15C
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/5172-2-0x0000000000BB0000-0x0000000001FA4000-memory.dmp family_quasar - XMRig Miner payload 1 IoCs
resource yara_rule behavioral2/memory/5172-2-0x0000000000BB0000-0x0000000001FA4000-memory.dmp xmrig - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5172 cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5172 cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 5172 cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe"C:\Users\Admin\AppData\Local\Temp\cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5172