Analysis
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max time kernel
148s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
07-02-2024 21:06
General
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Target
6e7f1b5bd5b7696ef942013c9d8151420dd29849514be091b43b1fcb9a193d73.exe
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Size
1.2MB
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MD5
e0578185ba00836f1971e48cf4da4580
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SHA1
42a4e35d4aab1d8cca6459a808573927cb4e18c7
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SHA256
6e7f1b5bd5b7696ef942013c9d8151420dd29849514be091b43b1fcb9a193d73
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SHA512
399ed216148ec9ec1c7aef1af0298abd3ffbeba73105ea398dc294370d25c57909e59563083a79a511732c0b8381ad19c551c0f3c1eb9b104b5c3e229c9c6775
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SSDEEP
24576:WBY9DN/ISlbnyr+rCy/++9vFgWZiA+8qIElcP25WwjorMjTXqxjfxl:WgDfmrEdS1iEmrGgd
Malware Config
Extracted
quasar
1.3.0.0
nulled
147.50.240.233:8008
QSR_MUTEX_vjlanSKDAVykDAvDJ6
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encryption_key
d4qN0cIZpTNNR0XsDxxy
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install_name
thick.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
updates
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subdirectory
SubDir
Signatures
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Quasar RAT
Quasar is an open source Remote Access Tool.
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Quasar payload 1 IoCs
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
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Detects executables containing common artifacts observed in infostealers 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6e7f1b5bd5b7696ef942013c9d8151420dd29849514be091b43b1fcb9a193d73.exe"C:\Users\Admin\AppData\Local\Temp\6e7f1b5bd5b7696ef942013c9d8151420dd29849514be091b43b1fcb9a193d73.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "updates" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\6e7f1b5bd5b7696ef942013c9d8151420dd29849514be091b43b1fcb9a193d73.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4160-0-0x0000000000C70000-0x0000000001034000-memory.dmpFilesize
3.8MB
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memory/4160-1-0x0000000000C70000-0x0000000001034000-memory.dmpFilesize
3.8MB
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memory/4160-2-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
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memory/4160-3-0x00000000073F0000-0x0000000007994000-memory.dmpFilesize
5.6MB
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memory/4160-4-0x0000000006F60000-0x0000000006FF2000-memory.dmpFilesize
584KB
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memory/4160-5-0x0000000007070000-0x0000000007080000-memory.dmpFilesize
64KB
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memory/4160-6-0x0000000007000000-0x0000000007066000-memory.dmpFilesize
408KB
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memory/4160-7-0x0000000007C50000-0x0000000007C62000-memory.dmpFilesize
72KB
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memory/4160-8-0x0000000008170000-0x00000000081AC000-memory.dmpFilesize
240KB
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memory/4160-9-0x00000000089B0000-0x00000000089BA000-memory.dmpFilesize
40KB
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memory/4160-11-0x0000000000C70000-0x0000000001034000-memory.dmpFilesize
3.8MB
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memory/4160-13-0x0000000074580000-0x0000000074D30000-memory.dmpFilesize
7.7MB
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memory/4160-14-0x0000000007070000-0x0000000007080000-memory.dmpFilesize
64KB