Analysis
- max time kernel
121s - max time network
123s - platform
windows7_x64 - resource
win7v20210410 - submitted
09/08/2021, 06:37
General
- Target purchase order-pdf-scan-copy.exe
- Size 609KB
- Sample210809-eaq8p2pc2e
- SHA256 19f2e87e5318afad4e60612a68cb610caa3306dab2004c56717224733d22baee
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
aMfYdLX3
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.
- 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
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\purchase order-pdf-scan-copy.exe"C:\Users\Admin\AppData\Local\Temp\purchase order-pdf-scan-copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\purchase order-pdf-scan-copy.exe"C:\Users\Admin\AppData\Local\Temp\purchase order-pdf-scan-copy.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1756-59-0x0000000001080000-0x0000000001081000-memory.dmp
memory/1756-61-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/1756-62-0x00000000005F0000-0x0000000000629000-memory.dmp
memory/1756-63-0x00000000003E0000-0x00000000003EF000-memory.dmp
memory/1796-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1796-66-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1796-68-0x0000000004CE0000-0x0000000004CE1000-memory.dmp