Analysis
- max time kernel
167s - max time network
192s - platform
windows7_x64 - resource
win7-20220414-en - submitted
10/05/2022, 16:10
Static task
static1
Behavioral task
behavioral1
Sample
KyELTvlArhdl7Nr.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
KyELTvlArhdl7Nr.exe
Resource
win10v2004-20220414-en
0 signatures
0 seconds
General
- Target KyELTvlArhdl7Nr.exe
- Size 670KB
- Sample220510-tmceysbca4
- SHA256 21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
- MD5 eed865a1dde185ade5756052e0eb4e85
- SHA1 661048411fe72ea0becd54f28374f70e4b2a2bb3
- SHA512 a3fb1673d2cba81b0dd77323385c057a8096f2ae28f110a86897a7205f3973fb4da658d2df28f224c13518caf253a01fbec886df86675a1c674afb03936ce4e9
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
-
Protocol
smtp
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Host
mail.ccphotos.com.au
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Port
587
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Username
-
Password
aceinthehole344
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 KyELTvlArhdl7Nr.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 KyELTvlArhdl7Nr.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 KyELTvlArhdl7Nr.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\UFzkOhv = "C:\\Users\\Admin\\AppData\\Roaming\\UFzkOhv\\UFzkOhv.exe" KyELTvlArhdl7Nr.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 1996 896 KyELTvlArhdl7Nr.exe 28 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 896 KyELTvlArhdl7Nr.exe 1996 KyELTvlArhdl7Nr.exe 1996 KyELTvlArhdl7Nr.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 896 KyELTvlArhdl7Nr.exe Token: SeDebugPrivilege 1996 KyELTvlArhdl7Nr.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 896 wrote to memory of 1852 896 KyELTvlArhdl7Nr.exe 27 PID 896 wrote to memory of 1852 896 KyELTvlArhdl7Nr.exe 27 PID 896 wrote to memory of 1852 896 KyELTvlArhdl7Nr.exe 27 PID 896 wrote to memory of 1852 896 KyELTvlArhdl7Nr.exe 27 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 PID 896 wrote to memory of 1996 896 KyELTvlArhdl7Nr.exe 28 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 KyELTvlArhdl7Nr.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 KyELTvlArhdl7Nr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"2⤵PID:1852
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C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"C:\Users\Admin\AppData\Local\Temp\KyELTvlArhdl7Nr.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1996
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