Analysis
- max time kernel
21s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/10/2026, 13:28
General
- Target Neverlose.exe
- Size 3.1MB
- Sample261002-qq3jrsbb44
- SHA256 49986fa0ce68b8c0d4833419ef705c89ee84abcc4a214018f2efe659731dccc7
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
193.161.193.99:1194
-
374be7dc-6123-490b-b6f7-400c70a3069e
-
encryption_key
886A0C241E2193C4BA04BB66BA4F5E00A0812E5D
-
install_name
msdef.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
mscopilot
-
reconnect_delay
3000
-
startup_key
Micrososft Defender
-
subdirectory
defender
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- Drops file in System32 directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Micrososft Defender" /sc ONLOGON /tr "C:\Windows\system32\defender\msdef.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\system32\defender\msdef.exe"C:\Windows\system32\defender\msdef.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Micrososft Defender" /sc ONLOGON /tr "C:\Windows\system32\defender\msdef.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Windows\system32\defender\msdef.exeC:\Windows\system32\defender\msdef.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
msdef.exe
memory/4680-8-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-10-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-3-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-4-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-5-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-6-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-2-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-7-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-9-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-22-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-11-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-12-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-13-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-14-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/4680-0-0x00007FFA637CF000-0x00007FFA637D0000-memory.dmp
memory/4680-1-0x0000000000080000-0x00000000003A4000-memory.dmp
memory/6044-16-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-18-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-19-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-20-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-17-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-23-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-21-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-24-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-25-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-26-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-27-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-28-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-29-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-30-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp
memory/6044-32-0x000000001CFF0000-0x000000001D040000-memory.dmp
memory/6044-33-0x000000001D100000-0x000000001D1B2000-memory.dmp
memory/6044-34-0x00007FFA63640000-0x00007FFA63FE4000-memory.dmp