Analysis
- max time kernel
132s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
01/09/2022, 09:21
General
- Target INQUIRY P. O. REF.177254.exe
- Size 901KB
- Sample220901-lbbqaabdfn
- SHA256 ab4e0bc4a0613b6086cd4e9bf272da067de4f2d96e6e380311e4c46b8ac3aad3
Malware Config
Extracted
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snakekeylogger
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https://api.telegram.org/bot5313801724:AAGnAJqPK8NNc07BhIzDcqlvAKJKUEw34HU/sendMessage?chat_id=5395744514
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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.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\UaCIOFKE.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\UaCIOFKE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6467.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.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\INQUIRY P. O. REF.177254.exe"C:\Users\Admin\AppData\Local\Temp\INQUIRY P. O. REF.177254.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp6467.tmp
memory/1668-133-0x00000000055B0000-0x0000000005B54000-memory.dmp
memory/1668-134-0x00000000050A0000-0x0000000005132000-memory.dmp
memory/1668-135-0x0000000005080000-0x000000000508A000-memory.dmp
memory/1668-136-0x0000000008970000-0x0000000008A0C000-memory.dmp
memory/1668-137-0x0000000008A10000-0x0000000008A76000-memory.dmp
memory/1668-132-0x00000000005E0000-0x00000000006C8000-memory.dmp
memory/1828-153-0x0000000006E20000-0x0000000006E3E000-memory.dmp
memory/1828-144-0x00000000058C0000-0x00000000058E2000-memory.dmp
memory/1828-160-0x0000000007EA0000-0x0000000007EA8000-memory.dmp
memory/1828-142-0x00000000059B0000-0x0000000005FD8000-memory.dmp
memory/1828-159-0x0000000007EC0000-0x0000000007EDA000-memory.dmp
memory/1828-145-0x0000000006150000-0x00000000061B6000-memory.dmp
memory/1828-158-0x0000000007DB0000-0x0000000007DBE000-memory.dmp
memory/1828-155-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/1828-157-0x0000000007E00000-0x0000000007E96000-memory.dmp
memory/1828-156-0x0000000007BE0000-0x0000000007BEA000-memory.dmp
memory/1828-149-0x0000000006870000-0x000000000688E000-memory.dmp
memory/1828-140-0x00000000052D0000-0x0000000005306000-memory.dmp
memory/1828-151-0x0000000006E60000-0x0000000006E92000-memory.dmp
memory/1828-152-0x0000000070850000-0x000000007089C000-memory.dmp
memory/1828-154-0x0000000008210000-0x000000000888A000-memory.dmp
memory/3116-150-0x0000000006AE0000-0x0000000006CA2000-memory.dmp
memory/3116-148-0x0000000000400000-0x0000000000426000-memory.dmp