Analysis
- max time kernel
192s - max time network
225s - platform
windows7_x64 - resource
win7-20220414-en - submitted
12/05/2022, 06:32
General
- Target aforementioned invoices.exe
- Size 450KB
- Sample220512-halx3sagc6
- SHA256 49bbfd6c4ac92fb284c2f81122d999bf77904a29fbf7d97c3356dfeed1ea7b30
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5134063529:AAHlLOO-Z9GzRienvdVJaHWwxdJUq8oB1_s/sendMessage?chat_id=1474445387
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 3 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aforementioned invoices.exe"C:\Users\Admin\AppData\Local\Temp\aforementioned invoices.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aforementioned invoices.exe"C:\Users\Admin\AppData\Local\Temp\aforementioned invoices.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/652-67-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-75-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-62-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-68-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-59-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-64-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-72-0x0000000000100000-0x0000000000126000-memory.dmp
memory/652-60-0x0000000000100000-0x0000000000126000-memory.dmp
memory/1980-54-0x0000000000040000-0x00000000000B6000-memory.dmp
memory/1980-55-0x00000000003B0000-0x00000000003E0000-memory.dmp
memory/1980-58-0x0000000000640000-0x0000000000646000-memory.dmp
memory/1980-57-0x00000000004F0000-0x000000000050A000-memory.dmp
memory/1980-56-0x0000000075361000-0x0000000075363000-memory.dmp