Analysis
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max time kernel
146s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-11-2020 14:44
General
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Target
xoTrmJx7i6t8dy9.exe
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Size
573KB
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MD5
51fd98c3d315f959249a13de6f2b7960
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SHA1
3f9bfd3af0ac8868b19b1337b89ede5a2afbaba3
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SHA256
ed18bf204914e704fe7d77312b00b654d329666334abaf7bd3af546bad9dc4a6
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SHA512
db3c05302eb380a4b0717c19753a73d3a056870179b8df233ff95f0ab83cb1ffa0a01c677d414d3113cc4475270fbf54dcc7e080fd2d8684313427a351bc934a
Malware Config
Extracted
Protocol: ftp- Host:
orisinlog.com - Port:
21 - Username:
buch3@orisinlog.com - Password:
fENCThl=g{Ft
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://orisinlog.com/ - Port:
21 - Username:
buch3@orisinlog.com - Password:
fENCThl=g{Ft
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\xoTrmJx7i6t8dy9.exe"C:\Users\Admin\AppData\Local\Temp\xoTrmJx7i6t8dy9.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\yYezRekP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD799.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\tmpD799.tmpMD5
246160f530c5831a23561b48e34d5518
SHA151ea4e18c6b29429214bd3412da0f02896f0933a
SHA256895125da0a9219dbe6bc8ab9926318d80165df03e7dcf8a3bc191ebea8418665
SHA5122026e677142c2719e363db66dd45ecc3e6ccfcef198ff20ae1bf193838b255f05165e0963da59f6997651e9f195621ab9a50ffece81480214ad4b21a89fbbccd
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memory/4296-10-0x0000000000000000-mapping.dmp
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memory/4680-4-0x00000000079B0000-0x00000000079B1000-memory.dmpFilesize
4KB
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memory/4680-0-0x0000000073900000-0x0000000073FEE000-memory.dmpFilesize
6.9MB
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memory/4680-5-0x00000000079A0000-0x00000000079A1000-memory.dmpFilesize
4KB
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memory/4680-6-0x000000000A3A0000-0x000000000A3A1000-memory.dmpFilesize
4KB
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memory/4680-7-0x0000000007CF0000-0x0000000007D04000-memory.dmpFilesize
80KB
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memory/4680-8-0x0000000009780000-0x000000000980F000-memory.dmpFilesize
572KB
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memory/4680-9-0x000000000A210000-0x000000000A211000-memory.dmpFilesize
4KB
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memory/4680-3-0x0000000007DD0000-0x0000000007DD1000-memory.dmpFilesize
4KB
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memory/4680-1-0x00000000009B0000-0x00000000009B1000-memory.dmpFilesize
4KB
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memory/4680-12-0x000000000AE60000-0x000000000AEC3000-memory.dmpFilesize
396KB
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memory/4680-13-0x000000000B500000-0x000000000B501000-memory.dmpFilesize
4KB