Analysis
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max time kernel
32s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 16:47
Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20240221-en
windows7-x64
7 signatures
150 seconds
General
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Target
Client.exe
-
Size
3.1MB
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MD5
f4d2c8d8d68a3498b8c35174f5f30aa8
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SHA1
c0122df8b964874689ef0b22846719af39c02713
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SHA256
08f02ffe7eeff88badfd144cf74b3b3fbd7319b1c31f6f72b7aeda5613020bbc
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SHA512
14bbc1dfda168567392cac4311279ea9271d531f143fe5e5c015d509829dff4312ea45b413111a507f0f1baa8037ec6c98a0be09a38dd6f5f22e90768fb3ae8b
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SSDEEP
49152:agwNiXIBaIGNydScbKPLhtJ6IX2cCDXsch9HHBE2VhGNT:Hci4BjScb+FtoIX2R
Malware Config
Extracted
Family
quasar
Attributes
-
reconnect_delay
5000
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2492-1-0x0000000000490000-0x00000000007B8000-memory.dmp family_quasar -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
Client.exedescription pid process target process PID 2492 created 2892 2492 Client.exe TrustedInstaller.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Client.exepid process 2492 Client.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Client.exedescription pid process Token: SeDebugPrivilege 2492 Client.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
Client.exedescription pid process target process PID 2492 wrote to memory of 2028 2492 Client.exe Client.exe PID 2492 wrote to memory of 2028 2492 Client.exe Client.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
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C:\Windows\servicing\TrustedInstaller.exeC:\Windows\servicing\TrustedInstaller.exe1⤵PID:2892
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C:\Users\Admin\AppData\Local\Temp\Client.exeC:\Users\Admin\AppData\Local\Temp\Client.exe2⤵PID:2028