Analysis
- max time kernel
178s - max time network
190s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/12/2022, 08:33
General
- Target Instruction list.exe
- Size 916KB
- Sample221210-kfvtaafb67
- SHA256 8e603a99770c15419c36fd082b789d2285e7ddfd77da47cf9f9be899c350d913
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Instruction list.exe"C:\Users\Admin\AppData\Local\Temp\Instruction list.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Instruction list.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Instruction list.exe"{path}"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
Instruction list.exe.log
memory/2400-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2400-142-0x00000000069B0000-0x0000000006B72000-memory.dmp
memory/4876-132-0x0000000000B20000-0x0000000000C0A000-memory.dmp
memory/4876-133-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/4876-134-0x0000000005600000-0x0000000005692000-memory.dmp
memory/4876-135-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/4876-136-0x0000000005590000-0x000000000559A000-memory.dmp
memory/4876-137-0x000000000EAA0000-0x000000000EB06000-memory.dmp