Analysis
-
max time kernel
146s -
max time network
146s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
17-11-2020 11:59
General
-
Target
rflBPCMj1cyYzdo.exe
-
Size
543KB
-
MD5
471991a919b20cf3144b283fd58fb7aa
-
SHA1
d3f8e3937a7b750176c363a0ef612deb6b5b7294
-
SHA256
0c057157ad65ebd8e9fc9ace3fcd42d5692f8ba1854107bfb131595417178ebc
-
SHA512
81aa64c6ebefe02e282579c58e2b37492241c9970497a89dfef90ef581afeb8aff63c100eab940ba76e2574fb5dd69dd96b94534a863ee220c487c01db65bac4
Malware Config
Extracted
Protocol: ftp- Host:
167.88.170.103 - Port:
21 - Username:
[email protected] - Password:
b6uFZQgo
Extracted
snakekeylogger
Protocol: ftp- Host:
ftp://167.88.170.103/ - Port:
21 - Username:
[email protected] - Password:
b6uFZQgo
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger Payload 1 IoCs
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
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
-
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 Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
80KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
6.9MB
-
Filesize
572KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
396KB
-
Filesize
4KB