Analysis
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max time kernel
91s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:52
General
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Target
RFQ12EAS.scr
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Size
844KB
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MD5
781182974459dd7e9b6ac48c89596f03
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SHA1
360f5752a562195b4c76c41d31855399477b4590
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SHA256
1d1f1118f0abad06563b370709b721291cc6b0a681486d7432738a8e2ddd02b5
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SHA512
7b15345eb1c50f5d246d4c2b1e748fc5086af2505385cfafa2970ea14fc785c2dae354227a9907d557753e678a8cba892d2e014aa549cf71a189b78e32ba7d1b
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 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\RFQ12EAS.scr"C:\Users\Admin\AppData\Local\Temp\RFQ12EAS.scr" /S1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ffJsfgOHYD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC19F.tmp"2⤵
- Creates scheduled task(s)
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5754d9e68ec645ea6053b0b2e4d27ea18
SHA1a9622356c906dfa1ad47c98543f350b95734ef80
SHA256cc02854fc57b6e60f890650a56450d9210e3276c9a6f871e716fbc15af76293a
SHA51206ef78420ade33e722315fe9ae0b053d032a000a48390083aaa1ef3ceb1636b495ceb65d3a52eeb69757830a631c2ae61fa8dcaf4e517843b69754b5ecf1cc3d
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Filesize
880KB
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Filesize
584KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
40KB
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