Analysis
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max time kernel
109s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
29-01-2021 16:45
General
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Target
a16023b1918d25dcecd88f5e30326e0b.exe
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Size
793KB
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MD5
a16023b1918d25dcecd88f5e30326e0b
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SHA1
6803e739a6e5156b4f1c3672ae1833b14511ed04
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SHA256
ad8970008bd8f66e52d21eb1ef8ce6bdaba0b5952b91ded9768423809bac00b4
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SHA512
8f0c87c5ce72b07b5adcfb2e6134990da5619b66627afb7e8e91ce24e2dc74a86be2799b21e0862a4e07ed3db6edcdb4c4eb71e7634e1e7feae2171db0931a16
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 2 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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 use of SetThreadContext 1 IoCs
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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 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a16023b1918d25dcecd88f5e30326e0b.exe"C:\Users\Admin\AppData\Local\Temp\a16023b1918d25dcecd88f5e30326e0b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\40a800741ee346a3bc15d8714a9aa585.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\40a800741ee346a3bc15d8714a9aa585.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\a16023b1918d25dcecd88f5e30326e0b.exe"C:\Users\Admin\AppData\Local\Temp\a16023b1918d25dcecd88f5e30326e0b.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\40a800741ee346a3bc15d8714a9aa585.xmlMD5
a36564afc14b3eb0849c01a3afdb9944
SHA14dcee9fae3fde4e46b08529bc0ba067150686f07
SHA2569d4342f763c5d62a06f69aa6fdcb1caa376ff2f2c0972f36b487f73b4d221996
SHA512782082aa36ae056734e90fc079c813dfef59420571a1b70cde4cf15eb6c870f85b2bfe0748ef4db9df3d010c08671bff744d78178ba75bf2ba02b665f044ae89
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memory/2668-2-0x0000000000000000-mapping.dmp
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memory/2720-12-0x0000000004D32000-0x0000000004D33000-memory.dmpFilesize
4KB
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memory/2720-11-0x0000000004D30000-0x0000000004D31000-memory.dmpFilesize
4KB
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memory/2720-6-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/2720-7-0x0000000073170000-0x000000007385E000-memory.dmpFilesize
6.9MB
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memory/2720-8-0x0000000000EF0000-0x0000000000F53000-memory.dmpFilesize
396KB
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memory/2720-10-0x0000000005420000-0x0000000005421000-memory.dmpFilesize
4KB
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memory/2720-3-0x000000000040188B-mapping.dmp
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memory/2720-18-0x0000000005FB0000-0x0000000005FB1000-memory.dmpFilesize
4KB
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memory/2720-13-0x0000000004D33000-0x0000000004D34000-memory.dmpFilesize
4KB
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memory/2720-14-0x0000000004FC0000-0x0000000004FC1000-memory.dmpFilesize
4KB
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memory/2720-15-0x0000000004D34000-0x0000000004D35000-memory.dmpFilesize
4KB
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memory/2720-16-0x0000000006140000-0x0000000006141000-memory.dmpFilesize
4KB
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memory/2720-17-0x0000000006010000-0x0000000006011000-memory.dmpFilesize
4KB
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memory/3768-4-0x0000000000000000-mapping.dmp