Analysis
- max time kernel
142s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231020-en - resource tags
- submitted
26/11/2023, 16:50
General
- Target Contract.exe
- Size 475KB
- Sample231126-vb9rraae62
- SHA256 d80adfb429565563472cc6e9d4fef4b8435c2804ad977c4f4d5452cf5462cb59
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.mct2.co.za
-
Port
587
-
Username
-
Password
00000
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 3 IoCs
- 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 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Contract.exe"C:\Users\Admin\AppData\Local\Temp\Contract.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Contract.exe.log
memory/3632-10-0x0000000004F70000-0x0000000004FCE000-memory.dmp
memory/3632-14-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3632-3-0x0000000004B70000-0x0000000004C02000-memory.dmp
memory/3632-0-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/3632-5-0x0000000004B30000-0x0000000004B3A000-memory.dmp
memory/3632-6-0x0000000004E50000-0x0000000004EEC000-memory.dmp
memory/3632-7-0x0000000004E20000-0x0000000004E32000-memory.dmp
memory/3632-8-0x0000000004EF0000-0x0000000004EF8000-memory.dmp
memory/3632-2-0x0000000005260000-0x0000000005804000-memory.dmp
memory/3632-9-0x0000000004F00000-0x0000000004F0A000-memory.dmp
memory/3632-4-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/3632-1-0x00000000000E0000-0x000000000015C000-memory.dmp
memory/4600-15-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/4600-11-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4600-16-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4600-17-0x0000000074D10000-0x00000000754C0000-memory.dmp
memory/4600-18-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/4600-19-0x0000000000AB0000-0x0000000000B00000-memory.dmp
memory/4600-20-0x00000000061C0000-0x0000000006382000-memory.dmp