Analysis
- max time kernel
91s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
12/10/2022, 07:29
General
- Target quotation.7722164.pdf.exe
- Size 789KB
- Sample221012-ja8mhschbk
- SHA256 bbfe7d997d95f5693051b2c6bb3cfe9150ea690329ac0c51131c0825358892bd
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5643064068:AAHUW-qjYqjmbklVdTKS8RtESPH3MP5FLbM/sendMessage?chat_id=5120307802
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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vImrgjPRBTO.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vImrgjPRBTO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D9E.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\quotation.7722164.pdf.exe"C:\Users\Admin\AppData\Local\Temp\quotation.7722164.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
tmp6D9E.tmp
memory/864-133-0x0000000005810000-0x0000000005DB4000-memory.dmp
memory/864-134-0x0000000005300000-0x0000000005392000-memory.dmp
memory/864-135-0x00000000063E0000-0x00000000069F8000-memory.dmp
memory/864-136-0x00000000057F0000-0x00000000057FA000-memory.dmp
memory/864-137-0x000000000AA80000-0x000000000AB1C000-memory.dmp
memory/864-138-0x000000000AB20000-0x000000000AB86000-memory.dmp
memory/864-132-0x00000000007E0000-0x00000000008AC000-memory.dmp
memory/960-149-0x0000000006780000-0x0000000006942000-memory.dmp
memory/960-145-0x0000000000400000-0x0000000000426000-memory.dmp
memory/5088-146-0x0000000005F90000-0x0000000005FB2000-memory.dmp
memory/5088-151-0x00000000706B0000-0x00000000706FC000-memory.dmp
memory/5088-141-0x0000000005110000-0x0000000005146000-memory.dmp
memory/5088-147-0x0000000006130000-0x0000000006196000-memory.dmp
memory/5088-148-0x00000000066B0000-0x00000000066CE000-memory.dmp
memory/5088-150-0x0000000006CC0000-0x0000000006CF2000-memory.dmp
memory/5088-143-0x0000000005780000-0x0000000005DA8000-memory.dmp
memory/5088-152-0x0000000006C50000-0x0000000006C6E000-memory.dmp
memory/5088-153-0x0000000008000000-0x000000000867A000-memory.dmp
memory/5088-154-0x00000000079C0000-0x00000000079DA000-memory.dmp
memory/5088-155-0x0000000007A30000-0x0000000007A3A000-memory.dmp
memory/5088-156-0x0000000007C40000-0x0000000007CD6000-memory.dmp
memory/5088-157-0x0000000007BF0000-0x0000000007BFE000-memory.dmp
memory/5088-158-0x0000000007D00000-0x0000000007D1A000-memory.dmp
memory/5088-159-0x0000000007CE0000-0x0000000007CE8000-memory.dmp