Analysis
- max time kernel
94s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
04/06/2024, 14:49
General
- Target 3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe
- Size 610KB
- Sample240604-r65jqsbc53
- SHA256 3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
mail.remfryson.com
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Port
587
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Username
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Password
CnG_23*NMA
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https://scratchdreams.tk
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe"C:\Users\Admin\AppData\Local\Temp\3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe"1⤵
- Checks computer location settings
- 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\ZcRNvydKELvaL.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZcRNvydKELvaL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70CB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe"C:\Users\Admin\AppData\Local\Temp\3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
3d42be817eb0a150a642713d3234847e943dce60e98a3e9722d9fa01d5c880c4.exe.log
__PSScriptPolicyTest_zdygmd2j.kow.ps1
tmp70CB.tmp
memory/1092-67-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/1092-25-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/1092-23-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/1092-19-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3384-28-0x0000000004F80000-0x0000000004FE6000-memory.dmp
memory/3384-39-0x0000000005D10000-0x0000000005D2E000-memory.dmp
memory/3384-65-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3384-62-0x0000000007360000-0x0000000007368000-memory.dmp
memory/3384-15-0x0000000000FA0000-0x0000000000FD6000-memory.dmp
memory/3384-61-0x0000000007380000-0x000000000739A000-memory.dmp
memory/3384-18-0x0000000005190000-0x00000000057B8000-memory.dmp
memory/3384-17-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3384-20-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3384-60-0x0000000007280000-0x0000000007294000-memory.dmp
memory/3384-22-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3384-59-0x0000000007270000-0x000000000727E000-memory.dmp
memory/3384-58-0x0000000007240000-0x0000000007251000-memory.dmp
memory/3384-57-0x00000000072C0000-0x0000000007356000-memory.dmp
memory/3384-26-0x0000000004E70000-0x0000000004E92000-memory.dmp
memory/3384-56-0x00000000070B0000-0x00000000070BA000-memory.dmp
memory/3384-54-0x0000000007680000-0x0000000007CFA000-memory.dmp
memory/3384-27-0x0000000004F10000-0x0000000004F76000-memory.dmp
memory/3384-38-0x00000000057C0000-0x0000000005B14000-memory.dmp
memory/3384-55-0x0000000007040000-0x000000000705A000-memory.dmp
memory/3384-40-0x0000000005D50000-0x0000000005D9C000-memory.dmp
memory/3384-52-0x00000000062F0000-0x000000000630E000-memory.dmp
memory/3384-42-0x0000000070000000-0x000000007004C000-memory.dmp
memory/3384-41-0x0000000006310000-0x0000000006342000-memory.dmp
memory/3384-53-0x0000000006F40000-0x0000000006FE3000-memory.dmp
memory/3788-8-0x0000000005100000-0x0000000005110000-memory.dmp
memory/3788-3-0x00000000056D0000-0x0000000005762000-memory.dmp
memory/3788-0-0x000000007443E000-0x000000007443F000-memory.dmp
memory/3788-4-0x00000000057A0000-0x00000000057AA000-memory.dmp
memory/3788-5-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3788-24-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3788-6-0x00000000068F0000-0x0000000006912000-memory.dmp
memory/3788-7-0x0000000005AA0000-0x0000000005AAC000-memory.dmp
memory/3788-10-0x0000000009390000-0x000000000942C000-memory.dmp
memory/3788-9-0x0000000008280000-0x00000000082E8000-memory.dmp
memory/3788-2-0x0000000005D40000-0x00000000062E4000-memory.dmp
memory/3788-1-0x0000000000C60000-0x0000000000CFE000-memory.dmp