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Resubmissions
01/02/2023, 10:11
230201-l774csef8s 701/02/2023, 10:09
230201-l67q7sef7y 731/01/2023, 09:53
230131-lw4xkahf4z 7Analysis
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max time kernel
56s -
max time network
62s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/02/2023, 10:09
Static task
static1
Behavioral task
behavioral1
Sample
unpacked_payload.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
unpacked_payload.exe
Resource
win10v2004-20221111-en
General
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Target
unpacked_payload.exe
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Size
165KB
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MD5
0868d9608bc629bdc8ee88f608ed307b
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SHA1
7a3f3a5cd72a46277cd0f6e4e4467b901b7f4238
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SHA256
7f0d201d80f3d5c61c6c3c9c49d4bed8a55a2ca377b007cbb3ae59c94a78ac97
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SHA512
299476991ef999880bde2f9464f05eb5c05df23bb7baf565c30a1a77f4308d29935b595d8521b5f032ed13634ba04cd3578479e8adc3cbb9177b32f9b609f876
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SSDEEP
3072:Hsz57rzTsEIBOnM0rcTEkIAdEIGeUoyjcYejLPI4N:Hsz99rTBmlp/jLw4
Malware Config
Signatures
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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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 unpacked_payload.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 unpacked_payload.exe Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 unpacked_payload.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zOwta = "C:\\Users\\Admin\\AppData\\Roaming\\zOwta\\zOwta.exe" unpacked_payload.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 10 api.ipify.org 11 api.ipify.org -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4880 unpacked_payload.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4880 unpacked_payload.exe -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 unpacked_payload.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 unpacked_payload.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\unpacked_payload.exe"C:\Users\Admin\AppData\Local\Temp\unpacked_payload.exe"1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4880