Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
20/10/2026, 12:55
General
- Target 2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_iced.exe
- Size 5.3MB
- Sample261020-p5tpqsbf36
- SHA256 24902459acade2d7ea5b85bb110defa5b45e4459a30a36f5ef6cdaa53dc682b1
Malware Config
Extracted
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quasar
-
1.4.1
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Office04
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38.240.49.194:4782
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e91610cd-5b8c-4842-9f35-3462621ed2b9
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encryption_key
C234496C7B0ABCD873BB6BB5A54288B6D340B6FF
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install_name
Client.exe
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key_salt
bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
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log_directory
Logs
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reconnect_delay
3000
-
startup_key
Nat2 Client Startup
-
subdirectory
SubDir
Signatures
- Family: Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar payload 2 IoCs
- Detects Windows executables referencing non-Windows User-Agents 2 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 2 IoCs
- Detects executables containing artifacts associated with disabling Widnows Defender 2 IoCs
- Detects executables containing common artifacts observed in infostealers 2 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information steale 2 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
- Executes dropped EXE 2 IoCs
- 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.
- 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 SetWindowsHookEx 1 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
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C:\Users\Admin\AppData\Local\Temp\2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_iced.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-19_91b02f2215985ae08c15f2712b8bfe74_cobalt-strike_coinminer_elex_glassworm_hijackloader_iced.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Nat2 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
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Nat2 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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-
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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
quasar_restart_marker.txt
quasar_restart_marker.txt
Client.exe
memory/652-11-0x000000001B2D0000-0x000000001B2E0000-memory.dmp
memory/652-16-0x000000001BA30000-0x000000001BA80000-memory.dmp
memory/652-17-0x000000001BB40000-0x000000001BBF2000-memory.dmp
memory/652-20-0x000000001BAE0000-0x000000001BAF2000-memory.dmp
memory/652-21-0x000000001C780000-0x000000001C7BC000-memory.dmp
memory/652-22-0x000000001B2D0000-0x000000001B2E0000-memory.dmp
memory/3928-0-0x00000000002C0000-0x0000000000814000-memory.dmp
memory/3928-2-0x0000000002A20000-0x0000000002A30000-memory.dmp