Analysis
- max time kernel
64s - max time network
123s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
02/03/2023, 13:23
General
- Target Z230221CBKKMCC45245.pdf.exe
- Size 1.2MB
- Sample230302-qmskdsda99
- SHA256 76f5705ac3ded6e48d0fd4106aeee4ff29c928db64475405af07c49456c4a98c
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 7 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/664-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-73-0x00000000012F0000-0x0000000001330000-memory.dmp
memory/664-72-0x00000000012F0000-0x0000000001330000-memory.dmp
memory/664-71-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/664-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/664-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1520-55-0x0000000005240000-0x0000000005280000-memory.dmp
memory/1520-61-0x0000000000740000-0x0000000000768000-memory.dmp
memory/1520-54-0x00000000013A0000-0x00000000014E0000-memory.dmp
memory/1520-60-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/1520-59-0x0000000005380000-0x0000000005422000-memory.dmp
memory/1520-58-0x0000000000310000-0x000000000031C000-memory.dmp
memory/1520-57-0x0000000005240000-0x0000000005280000-memory.dmp
memory/1520-56-0x00000000004C0000-0x00000000004DA000-memory.dmp