Analysis
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max time kernel
99s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2025 20:41
Behavioral task
behavioral1
Sample
39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe
Resource
win7-20240903-en
General
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Target
39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe
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Size
3.3MB
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MD5
fbe4c2d0da3c188d4d6f3581804130de
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SHA1
60d8ab142a8435b450a8f8ffa5d011a7980a0f4e
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SHA256
39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f
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SHA512
c206d7e4aa0267139012dd29fb56f249694d0802eb4f62185fa3024d479bc09e39024737ff1fe203b5bd2aa964ea102a1a0fa0c75f0c9532c651111ef4245047
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SSDEEP
49152:MvbI22SsaNYfdPBldt698dBcjHBiRJ6kbR3LoGd14THHB72eh2NT4:Mvk22SsaNYfdPBldt6+dBcjHBiRJ6u0
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.11.218:8743
0785d928-9c9f-4e88-b4b9-fc7e0ebe5d9f
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encryption_key
40C7D6FE11A9E398D2416D2CF24E481422C8C0C6
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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/3092-1-0x0000000000A90000-0x0000000000DE6000-memory.dmp family_quasar -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3092 39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3092 39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3092 39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe"C:\Users\Admin\AppData\Local\Temp\39e5a16d822e42f67b38b1d28fd407bdbe320ac2e6eeae0902474e0ae584f55f.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3092