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Analysis
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max time kernel
105s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2024, 13:55
Static task
static1
Behavioral task
behavioral1
Sample
588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe
Resource
win10v2004-20240226-en
General
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Target
588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe
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Size
880KB
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MD5
e63f9535f4103059d84ea4350a67a57c
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SHA1
085b25851bb551ff046a0edca59d0920170a6cc3
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SHA256
588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13
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SHA512
fc39467418f0a791c076cf00118e7bc3672c4a91c6bb6548c3fc05ea5b8ee58295b6e08bb62b48ae6d86cf5fd88c0635c05f8bf352cee476ce5002aedbb6f8a6
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SSDEEP
12288:jhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4a+otxHe17NJ0W:pRmJkcoQricOIQxiZY1iajf+NEW
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
premium185.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
good2023@@ - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CcZTlQE = "C:\\Users\\Admin\\AppData\\Roaming\\CcZTlQE\\CcZTlQE.exe" RegSvcs.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 28 api.ipify.org 29 api.ipify.org 30 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2736 set thread context of 4556 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 91 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4556 RegSvcs.exe 4556 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4556 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2736 wrote to memory of 4556 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 91 PID 2736 wrote to memory of 4556 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 91 PID 2736 wrote to memory of 4556 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 91 PID 2736 wrote to memory of 4556 2736 588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe"C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\588f5817c53eaa50906295cd61b78e82321c73128f479053a67d3ac57be59e13.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4556
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