Analysis
- max time kernel
74s - max time network
133s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
16/04/2023, 17:23
General
- Target PO 876YUIYT.xlsx.exe
- Size 878KB
- Sample230416-vx4smacd71
- SHA256 6d5571a7a6c0286f8d7e41b94a1de3d63fbc2cfd06e52b9040767a47d0ae416c
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254
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\PO 876YUIYT.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO 876YUIYT.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO 876YUIYT.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO 876YUIYT.xlsx.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/1084-54-0x00000000012B0000-0x0000000001392000-memory.dmp
memory/1084-55-0x0000000004FF0000-0x0000000005030000-memory.dmp
memory/1084-56-0x0000000000A10000-0x0000000000A28000-memory.dmp
memory/1084-57-0x0000000004FF0000-0x0000000005030000-memory.dmp
memory/1084-58-0x0000000004E40000-0x0000000004EA2000-memory.dmp
memory/1084-59-0x0000000000B10000-0x0000000000B16000-memory.dmp
memory/1084-60-0x0000000000B30000-0x0000000000B58000-memory.dmp
memory/1668-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1668-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1668-71-0x0000000004CF0000-0x0000000004D30000-memory.dmp
memory/1668-72-0x0000000004CF0000-0x0000000004D30000-memory.dmp