Analysis
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max time kernel
42s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
13/09/2022, 10:08
General
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Target
SecuriteInfo.com.Win32.CrypterX-gen.4395.exe
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Size
649KB
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MD5
fb3ca12a55294aca77a2d6ce8e553bed
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SHA1
573eac720736eb63122536049051cedd14d0ae82
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SHA256
dfd9c468ee34ef22c2f2919f493ef37c8bd36d7134a9f734817983763bca0bad
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SHA512
665c4a0db6599c570dbcb3b9a535b5a63c5df2fe2528a42798542ec0472121b5d6c5533d1c7fb02f4bc92d5108228f06bf2586775f798083c8dc2dc64070bc6d
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SSDEEP
12288:SSUDA666HpeeVsq4P/yh7jpj1TJ4MYJUYeR4DAo6qY+4Kt0EAmD:SFDA666JR6hKjpjgFoc7YVKt0
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
synergymx.mx - Port:
587 - Username:
[email protected] - Password:
Synergy.2021 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
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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
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4395.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4395.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4395.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.4395.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB
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Filesize
152KB
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Filesize
584KB
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Filesize
8KB
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Filesize
592KB
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Filesize
672KB