Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2022, 22:53
Static task
static1
Behavioral task
behavioral1
Sample
#QFYEY054.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
#QFYEY054.exe
Resource
win10v2004-20220812-en
General
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Target
#QFYEY054.exe
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Size
783KB
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MD5
7fb55d4603a18e4167d6c75eac2803d8
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SHA1
79dee68c3f71aff21b1f7abe917d0a15c672f97f
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SHA256
24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b
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SHA512
d927ebe95d8e2468513283b9bdbf90fae4e6f37d1ae18a720a9ac4c9598bb449830c31de7d37429040c4c826e114b23afc5deed54cdcf4c9fedef2ac70e48e0c
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SSDEEP
12288:+n+9AgHtDg5xE1j5MXLdie/BCKWvMMqpUz0zFwqPuVorLb355w3z5LErq:+nC4o5wdiCB7WEGz0HPWorX3g39
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1591373451:AAH6Q2mvjdA9146Wl0khv2-kuh-iTps2zjw/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 #QFYEY054.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 #QFYEY054.exe Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 #QFYEY054.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" #QFYEY054.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2500 set thread context of 2672 2500 #QFYEY054.exe 89 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2672 #QFYEY054.exe 2672 #QFYEY054.exe 2672 #QFYEY054.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2672 #QFYEY054.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 PID 2500 wrote to memory of 2672 2500 #QFYEY054.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 #QFYEY054.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 #QFYEY054.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"{path}"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:2672
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