Analysis
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max time kernel
95s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
03-02-2025 03:43
Behavioral task
behavioral1
Sample
c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe
Resource
win7-20240903-en
General
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Target
c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe
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Size
3.1MB
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MD5
9ed0669c1fe2cddd4eed6bedf9212693
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SHA1
63cb8ea01a0938bb77292116b4e5faed5618d19d
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SHA256
c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece
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SHA512
c25e8c4a143a7a337ac53da2e15c6bb5b682d16ed6c9b6784fa99e7f0246f5c1d930ddba30b99cb58cf9ddaed96ea076756b42489c1971be30754c87d0b3a72c
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SSDEEP
49152:OvKI22SsaNYfdPBldt698dBcjH5HRJ6RbR3LoGdNZTHHB72eh2NT:Ovn22SsaNYfdPBldt6+dBcjH5HRJ6z
Malware Config
Extracted
quasar
1.4.1
2025
ducksro.DUCKDNS.ORG:5
1b9237ca-608d-47fd-ae80-bba1f4ba0322
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encryption_key
B61B5E36913EE1C537DD4B68B384FA4355C64906
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
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Quasar family
-
Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/2828-1-0x00000000000F0000-0x0000000000414000-memory.dmp family_quasar -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2828 c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2828 c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe"C:\Users\Admin\AppData\Local\Temp\c3fbb3ebbdf80a8353d1e7b6a4d5a8ba13682dd174a71e007d7760758c43aece.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2828