Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
17-11-2020 11:59
General
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Target
rflBPCMj1cyYzdo.exe
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Size
543KB
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MD5
471991a919b20cf3144b283fd58fb7aa
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SHA1
d3f8e3937a7b750176c363a0ef612deb6b5b7294
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SHA256
0c057157ad65ebd8e9fc9ace3fcd42d5692f8ba1854107bfb131595417178ebc
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SHA512
81aa64c6ebefe02e282579c58e2b37492241c9970497a89dfef90ef581afeb8aff63c100eab940ba76e2574fb5dd69dd96b94534a863ee220c487c01db65bac4
Malware Config
Extracted
Protocol: ftp- Host:
167.88.170.103 - Port:
21 - Username:
vinedoe@hojokk.com - Password:
b6uFZQgo
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://167.88.170.103/ - Port:
21 - Username:
vinedoe@hojokk.com - Password:
b6uFZQgo
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 1 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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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\rflBPCMj1cyYzdo.exe"C:\Users\Admin\AppData\Local\Temp\rflBPCMj1cyYzdo.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OkfzYPO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD518.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpD518.tmpMD5
7e1055dce4dd09433a7a84ff54148b3f
SHA14ba6df3d9e7a0c6387fa607af59586a7f8e5b95f
SHA2568e626300954bbe3bb7df49c2012bd5b037bba68e630fe26803092986681d06ac
SHA5122d37e410c2ed5f41170088852913f60c329beaf1ebb4d36c31dea68caa46b3d8681c4dd6621cbd6821a4986c36bfd353d63e0c59be9329125dbc23fbb5e21fe3
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memory/3932-7-0x0000000009800000-0x0000000009814000-memory.dmpFilesize
80KB
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memory/3932-3-0x00000000081C0000-0x00000000081C1000-memory.dmpFilesize
4KB
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memory/3932-4-0x0000000007DC0000-0x0000000007DC1000-memory.dmpFilesize
4KB
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memory/3932-5-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/3932-6-0x000000000A550000-0x000000000A551000-memory.dmpFilesize
4KB
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memory/3932-0-0x0000000073300000-0x00000000739EE000-memory.dmpFilesize
6.9MB
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memory/3932-8-0x000000000A2A0000-0x000000000A32F000-memory.dmpFilesize
572KB
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memory/3932-9-0x000000000A3D0000-0x000000000A3D1000-memory.dmpFilesize
4KB
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memory/3932-1-0x0000000000C00000-0x0000000000C01000-memory.dmpFilesize
4KB
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memory/3932-12-0x000000000B0A0000-0x000000000B103000-memory.dmpFilesize
396KB
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memory/3932-13-0x000000000B740000-0x000000000B741000-memory.dmpFilesize
4KB
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memory/3936-10-0x0000000000000000-mapping.dmp