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Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230831-en -
resource tags
arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system -
submitted
04/09/2023, 16:23
Static task
static1
Behavioral task
behavioral1
Sample
1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe
Resource
win10v2004-20230831-en
General
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Target
1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe
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Size
274KB
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MD5
9f0aeff878befa2b72bbc2405581d78b
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SHA1
2eeb08f4869864d14cab38d73dc539cde3077f60
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SHA256
a1528f5de37b949354a3cdd6e72ac966b4a0ec675d7a23b67af482ddcb94616d
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SHA512
a5a4a0df564466e11ba0a5ae61289155f35545eb1225a3d378c29f20d65375feec9e5d6f4f8b8048932de9d1999348edd710c70d677db67a438bba6444fdaa81
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SSDEEP
3072:9pMF0t5OFxrHqMqZoeRcqs4sdtYS6Z02ljQEZ5URUxeE/RkJxKbzhe:/MK54xOMqZ/HaTYJ3cE/xNavKb0
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6515194704:AAEmyYc4dwrlO5o21i36i_KXXTaRISiSia4/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Downloads MZ/PE file
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe Key opened \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe Key opened \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.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 24 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4648 set thread context of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1368 aspnet_compiler.exe 1368 aspnet_compiler.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe Token: SeDebugPrivilege 1368 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 PID 4648 wrote to memory of 1368 4648 1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe 86 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2848203831-2014322062-3611574811-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 aspnet_compiler.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe"C:\Users\Admin\AppData\Local\Temp\1693844525085627b7cf9bc306aa266e9305a77ee0a76dfb7cfee5affb59f76267a08f6833347.dat-decoded.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1368
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