Analysis
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max time kernel
132s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
23-05-2023 01:22
Static task
static1
Behavioral task
behavioral1
Sample
b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe
Resource
win10v2004-20230220-en
General
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Target
b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe
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Size
861KB
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MD5
b23048bb519459d777ae29307d0f6d78
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SHA1
cf7e4c2a83d7b7c31462ebc62a65dcfc310ac7d0
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SHA256
b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a
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SHA512
3f37f77ccf19bfba6cfccafbdd5f7c0d455fde354c395c3e392bdefd72bbe0a1cb9ea8b00f585a2810e35bbea5168b4c846abc357f548e7e49477a3bfecfd023
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SSDEEP
12288:qYsOGRSljSNcQROzin29dM7RXYszkocbZ6:d/r8B4jV
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 25 api.ipify.org 26 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1756 set thread context of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe Token: SeDebugPrivilege 4544 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1756 wrote to memory of 4484 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 89 PID 1756 wrote to memory of 4484 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 89 PID 1756 wrote to memory of 4484 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 89 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 PID 1756 wrote to memory of 4544 1756 b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe 90 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe"C:\Users\Admin\AppData\Local\Temp\b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵PID:4484
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4544
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