Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/11/2026, 14:06
General
- Target Client-built.exe
- Size 3.1MB
- Sample261109-reqw9scv5w
- SHA256 07d456b5888d4676842f1a365c92c3a256a626437a435cf36121aaad927ae6e6
Malware Config
Extracted
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quasar
-
1.4.1
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au88
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mm99.qpon:4782
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mu88.uk.com:4782
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koinslot168-f.cc:4782
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pabwa.africa:4782
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mu-88.sa.com:4782
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awedi.africa:4782
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slotslotbentley.cc:4782
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mm88speed.com:4782
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shio4d.com.co:4782
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xgirls.in.net:4782
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www.lifeatsea.in.net:4782
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patur.in:4782
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moviesda3.co:4782
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restorepi.co:4782
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alquimi.co:4782
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boatique.co:4782
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awakespace.co:4782
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gambey.in:4782
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thecoffeenomad.co:4782
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koshikien.co:4782
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273696bc-a6b2-4c7a-9e8a-e8ad984ce338
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encryption_key
61D61573755A2E8791F777F44FE72A8C404B3F90
-
install_name
Client.exe
-
key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
500
-
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 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\Client-built.exe"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- 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 /f3⤵
- Scheduled Task/Job: Scheduled Task
-
-
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C:\Users\Admin\AppData\Roaming\SubDir\Client.exeC:\Users\Admin\AppData\Roaming\SubDir\Client.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Client.exe
memory/4536-24-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-26-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-34-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-33-0x000000001C340000-0x000000001C3F2000-memory.dmp
memory/4536-32-0x000000001B1E0000-0x000000001B230000-memory.dmp
memory/4536-30-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-29-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-28-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-27-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-19-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-25-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-23-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-22-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-20-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-17-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-16-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/4536-18-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-10-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-11-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-14-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-21-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-13-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-12-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-1-0x00000000001B0000-0x00000000004D6000-memory.dmp
memory/5008-0-0x00007FFBFB98F000-0x00007FFBFB990000-memory.dmp
memory/5008-9-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-2-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-8-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-7-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-6-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-5-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-4-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp
memory/5008-3-0x00007FFBFB800000-0x00007FFBFC1A4000-memory.dmp