Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
14/10/2026, 06:17
General
- Target 78win.ceo.exe
- Size 3.1MB
- Sample261014-g17rsshs5p
- SHA256 adb15ed458072b783f5f08a3e29deb5d5e8f39d674c53d16f6f23990f3d41645
Malware Config
Extracted
-
quasar
-
1.4.1
-
Office04
-
78win.ceo:443
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www.78win.ceo:443
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78win.ceo:80
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www.78win.ceo:80
-
e6fc084c-f94b-449a-ad13-18f0a2f4598c
-
encryption_key
ED3227F773701D05083B11A65776F95F93EEEF5E
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Executes dropped EXE 2 IoCs
- 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 2 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\78win.ceo.exe"C:\Users\Admin\AppData\Local\Temp\78win.ceo.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
memory/4268-8-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-10-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-3-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-4-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-5-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-6-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-2-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-7-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-9-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-21-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-11-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-12-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-14-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-13-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/4268-1-0x0000000000370000-0x0000000000694000-memory.dmp
memory/4268-0-0x00007FF832A5F000-0x00007FF832A60000-memory.dmp
memory/5456-16-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-26-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-19-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-20-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-22-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-17-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-23-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-24-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-25-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-18-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-27-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-28-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-29-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-30-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5456-34-0x00007FF8328D0000-0x00007FF833274000-memory.dmp
memory/5892-33-0x000000001CD70000-0x000000001CE22000-memory.dmp
memory/5892-32-0x000000001CC60000-0x000000001CCB0000-memory.dmp