Analysis
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max time kernel
118s -
max time network
138s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
19-10-2021 14:11
Static task
static1
Behavioral task
behavioral1
Sample
Halkbank_Ekstre_202110019_095125_132879.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Halkbank_Ekstre_202110019_095125_132879.exe
Resource
win10-en-20211014
General
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Target
Halkbank_Ekstre_202110019_095125_132879.exe
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Size
71KB
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MD5
35c391b0a4b97276489924d5da9ab670
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SHA1
78dd57eafbb010183079b33f9658e230c12dfa57
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SHA256
397a92325574242df8c149cfd8b634d9a038c358dff49bf8df97f0cbb8920ec0
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SHA512
01a62ed624841ddbe6baa6aadbdd11eebd22bb43e3818ec0df37075c16c9d420a0c49f18f92397ba01be567ecd9286a169c14e1d80fadee3d8c6e4925bf358a0
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.enmmakina.com.tr - Port:
587 - Username:
[email protected] - Password:
WG7sfIIm5
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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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
Processes:
Halkbank_Ekstre_202110019_095125_132879.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Halkbank_Ekstre_202110019_095125_132879.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Halkbank_Ekstre_202110019_095125_132879.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Halkbank_Ekstre_202110019_095125_132879.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 26 checkip.dyndns.org 28 freegeoip.app 29 freegeoip.app -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Halkbank_Ekstre_202110019_095125_132879.exepid process 2696 Halkbank_Ekstre_202110019_095125_132879.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Halkbank_Ekstre_202110019_095125_132879.exedescription pid process Token: SeDebugPrivilege 2696 Halkbank_Ekstre_202110019_095125_132879.exe -
outlook_office_path 1 IoCs
Processes:
Halkbank_Ekstre_202110019_095125_132879.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Halkbank_Ekstre_202110019_095125_132879.exe -
outlook_win_path 1 IoCs
Processes:
Halkbank_Ekstre_202110019_095125_132879.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Halkbank_Ekstre_202110019_095125_132879.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202110019_095125_132879.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_202110019_095125_132879.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2696