Analysis
- max time kernel
91s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
23/05/2022, 13:21
General
- Target Halkbank_Ekstre_20220523_075819_154055..exe
- Size 844KB
- Sample220523-qlm9aadfa5
- SHA256 649f4fa64cb61e69507ded4d8d75bdb82f21148026fd1b947375491ecc225ad7
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5166529015:AAHmXMIWF4K9IarF05CZj5gCu_oVRj3zFHc/sendMessage?chat_id=5170122971
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.
- 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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220523_075819_154055..exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220523_075819_154055..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220523_075819_154055..exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220523_075819_154055..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
Loading Replay Monitor...
Downloads
Halkbank_Ekstre_20220523_075819_154055..exe.log
memory/2684-130-0x0000000000A90000-0x0000000000B68000-memory.dmp
memory/2684-131-0x0000000005B70000-0x0000000006114000-memory.dmp
memory/2684-132-0x0000000005500000-0x0000000005592000-memory.dmp
memory/2684-133-0x00000000055A0000-0x00000000055AA000-memory.dmp
memory/2684-134-0x0000000008D90000-0x0000000008E2C000-memory.dmp
memory/2684-135-0x0000000009350000-0x00000000093B6000-memory.dmp
memory/3984-137-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3984-139-0x0000000006280000-0x0000000006442000-memory.dmp