Analysis
- max time kernel
90s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
25/01/2023, 21:29
General
- Target df4bcb8211f980a6fccaf369e4e86140.exe
- Size 772KB
- Sample230125-1bwssaah68
- SHA256 7901e6da6fafe2cb3a44e0aa7fdd00b589faea5a8a512eb93fcdd6d5c6794a4d
Malware Config
Extracted
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snakekeylogger
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
kV$bSqJ1 daniel
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\KQLSQOWWVB.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\KQLSQOWWVB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC35.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"C:\Users\Admin\AppData\Local\Temp\df4bcb8211f980a6fccaf369e4e86140.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
df4bcb8211f980a6fccaf369e4e86140.exe.log
tmpC35.tmp
memory/2936-133-0x00000000059D0000-0x0000000005F74000-memory.dmp
memory/2936-134-0x0000000005520000-0x00000000055B2000-memory.dmp
memory/2936-135-0x00000000056C0000-0x00000000056CA000-memory.dmp
memory/2936-136-0x0000000009050000-0x00000000090EC000-memory.dmp
memory/2936-132-0x0000000000AB0000-0x0000000000B78000-memory.dmp
memory/3364-139-0x0000000002C50000-0x0000000002C86000-memory.dmp
memory/3364-152-0x0000000006B30000-0x0000000006B62000-memory.dmp
memory/3364-161-0x0000000007B80000-0x0000000007B88000-memory.dmp
memory/3364-160-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/3364-159-0x0000000007A90000-0x0000000007A9E000-memory.dmp
memory/3364-158-0x0000000007AE0000-0x0000000007B76000-memory.dmp
memory/3364-148-0x0000000005DF0000-0x0000000005E12000-memory.dmp
memory/3364-149-0x0000000005E90000-0x0000000005EF6000-memory.dmp
memory/3364-150-0x0000000005F00000-0x0000000005F66000-memory.dmp
memory/3364-151-0x0000000006550000-0x000000000656E000-memory.dmp
memory/3364-142-0x0000000005790000-0x0000000005DB8000-memory.dmp
memory/3364-153-0x00000000703D0000-0x000000007041C000-memory.dmp
memory/3364-154-0x0000000006B10000-0x0000000006B2E000-memory.dmp
memory/3364-155-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/3364-156-0x0000000007860000-0x000000000787A000-memory.dmp
memory/3364-157-0x00000000078D0000-0x00000000078DA000-memory.dmp
memory/5100-146-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5100-162-0x00000000063B0000-0x0000000006572000-memory.dmp