Analysis
- max time kernel
155s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
23/03/2022, 12:12
General
- Target 2022-03-23T15220773,pdf.exe
- Size 936KB
- Sample220323-pda4badgb3
- SHA256 ff5ccf6c23038b7fae8a5564c14c8e272938a21453dbef3f8d0dc1ad1fc982ac
Malware Config
Extracted
-
snakekeylogger
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Protocol
smtp
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Host
mail.floragumruk.com.tr
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Port
587
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Username
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Password
F8VAZmULpm(9
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Email to
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 3 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2022-03-23T15220773,pdf.exe"C:\Users\Admin\AppData\Local\Temp\2022-03-23T15220773,pdf.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\xdyxEXdjms.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\xdyxEXdjms" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF9CE.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\2022-03-23T15220773,pdf.exe"C:\Users\Admin\AppData\Local\Temp\2022-03-23T15220773,pdf.exe"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
memory/1424-141-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1424-146-0x0000000006EA0000-0x0000000007062000-memory.dmp
memory/1792-131-0x00000000053E0000-0x0000000005984000-memory.dmp
memory/1792-132-0x0000000004F10000-0x0000000004FA2000-memory.dmp
memory/1792-133-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
memory/1792-134-0x0000000008A90000-0x0000000008B2C000-memory.dmp
memory/1792-130-0x0000000000440000-0x000000000052E000-memory.dmp
memory/4340-143-0x0000000005E60000-0x0000000005EC6000-memory.dmp
memory/4340-149-0x0000000070A20000-0x0000000070A6C000-memory.dmp
memory/4340-142-0x0000000005660000-0x0000000005682000-memory.dmp
memory/4340-144-0x0000000005F40000-0x0000000005FA6000-memory.dmp
memory/4340-137-0x0000000002C10000-0x0000000002C46000-memory.dmp
memory/4340-145-0x0000000006530000-0x000000000654E000-memory.dmp
memory/4340-147-0x00000000051F5000-0x00000000051F7000-memory.dmp
memory/4340-148-0x00000000074F0000-0x0000000007522000-memory.dmp
memory/4340-140-0x0000000005830000-0x0000000005E58000-memory.dmp
memory/4340-150-0x0000000006AE0000-0x0000000006AFE000-memory.dmp
memory/4340-151-0x0000000007E70000-0x00000000084EA000-memory.dmp
memory/4340-152-0x0000000007830000-0x000000000784A000-memory.dmp
memory/4340-153-0x00000000078A0000-0x00000000078AA000-memory.dmp
memory/4340-154-0x0000000007AB0000-0x0000000007B46000-memory.dmp
memory/4340-155-0x0000000007A60000-0x0000000007A6E000-memory.dmp
memory/4340-156-0x0000000007B70000-0x0000000007B8A000-memory.dmp
memory/4340-157-0x0000000007B50000-0x0000000007B58000-memory.dmp