Analysis
- max time kernel
121s - max time network
125s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
14/10/2021, 18:23
General
- Target 51ef208ea36f798fe8c4f4a88bfcba5c.exe
- Size 641KB
- Sample211014-w1f2eaahcm
- SHA256 a82999d77adbff10ef701a595d165547fb73bf055dcae9b65d261e4d09c47654
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
efinancet.shop
-
Port
587
-
Username
-
Password
BG##kz5dHzND
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\51ef208ea36f798fe8c4f4a88bfcba5c.exe"C:\Users\Admin\AppData\Local\Temp\51ef208ea36f798fe8c4f4a88bfcba5c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\51ef208ea36f798fe8c4f4a88bfcba5c.exe"C:\Users\Admin\AppData\Local\Temp\51ef208ea36f798fe8c4f4a88bfcba5c.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 8082⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1348-68-0x0000000000550000-0x00000000005F6000-memory.dmp
memory/1424-58-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-59-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-60-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-67-0x0000000000470000-0x0000000000471000-memory.dmp
memory/1688-55-0x00000000008F0000-0x00000000008F1000-memory.dmp
memory/1688-57-0x0000000002330000-0x0000000002331000-memory.dmp