Analysis
- max time kernel
78s - max time network
137s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
28/04/2023, 11:04
General
- Target purchase order.exe
- Size 884KB
- Sample230428-m591lsfe2s
- SHA256 8612a4be1e824a7d1062b9c37210e39cfd3677970b859ca80a46e8a1e7e424d2
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5478319803:AAHq9LkDUFBRvjOub4YfRlPURZxM59_BVnc/sendMessage?chat_id=5516439768
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\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\purchase order.exe"C:\Users\Admin\AppData\Local\Temp\purchase order.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/1200-54-0x00000000012B0000-0x0000000001392000-memory.dmp
memory/1200-55-0x00000000004B0000-0x00000000004F0000-memory.dmp
memory/1200-56-0x00000000004F0000-0x0000000000506000-memory.dmp
memory/1200-57-0x00000000004B0000-0x00000000004F0000-memory.dmp
memory/1200-58-0x0000000000560000-0x000000000056C000-memory.dmp
memory/1200-59-0x0000000005AE0000-0x0000000005B40000-memory.dmp
memory/1200-60-0x0000000000E10000-0x0000000000E38000-memory.dmp
memory/1484-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1484-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1484-71-0x0000000004880000-0x00000000048C0000-memory.dmp
memory/1484-72-0x0000000004880000-0x00000000048C0000-memory.dmp