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Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
05/10/2023, 09:03
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe
Resource
win10v2004-20230915-en
General
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Target
PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe
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Size
1.3MB
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MD5
12ae6c3917414b2680de4955a35db4af
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SHA1
753b6003ca1079153626f542bcfd92d53eb70953
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SHA256
ebd35cc9a0267195acf06cc83407165b6dfb4ad0e1a9555af9873bdf38f24557
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SHA512
989a7111a471f9c4e6e0a5eb3383c2d70e8b8140b1b39783a43bc9ee62731c66c7a3ac9d9f8e37b6af399f140b1d902792fdb44df95b6da2bee1c5a1e80531d9
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SSDEEP
24576:LUMeevo0q3GVMlILkAR6z0JnJCzbEzW3MPUV0sxBi+CaXXiRRP+gaRhFmRK2mCxz:LUMeevoTxiLkAR6Iq8aR0gB+eNdOMdCG
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6397238688:AAEpHHJSGgb8uU35gOKv_cNJ1uJTVg7khLM/
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-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\btCUxw = "C:\\Users\\Admin\\AppData\\Roaming\\btCUxw\\btCUxw.exe" 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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2448 set thread context of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 2228 RegSvcs.exe 2228 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe Token: SeDebugPrivilege 2228 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2228 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2448 wrote to memory of 2240 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 28 PID 2448 wrote to memory of 2240 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 28 PID 2448 wrote to memory of 2240 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 28 PID 2448 wrote to memory of 2240 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 28 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 PID 2448 wrote to memory of 2228 2448 PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe 29 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT SWIFT REFHSBC029999018728929000187928311119281-PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Workflow.Compiler.exe"2⤵PID:2240
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2228
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