Analysis
- max time kernel
70s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
24/10/2022, 11:20
General
- Target doc2022.10.24.pdf.exe
- Size 749KB
- Sample221024-nfec3sgchn
- SHA256 e08ed6f6f84946bdd5e3d099080330841efe8ce84cc2002d510e3dbe74de3fef
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5582701255:AAG6EwFmBC6AWDB7ijWIdb3jOpyBEYRlBgU/sendMessage?chat_id=1856108848
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 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc2022.10.24.pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc2022.10.24.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\gHDUQkNgaW.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gHDUQkNgaW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9981.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\doc2022.10.24.pdf.exe"C:\Users\Admin\AppData\Local\Temp\doc2022.10.24.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
Loading Replay Monitor...
Downloads
tmp9981.tmp
memory/2060-144-0x0000000004990000-0x00000000049B2000-memory.dmp
memory/2060-155-0x0000000006FD0000-0x0000000007066000-memory.dmp
memory/2060-158-0x0000000007070000-0x0000000007078000-memory.dmp
memory/2060-157-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/2060-139-0x0000000000CC0000-0x0000000000CF6000-memory.dmp
memory/2060-156-0x0000000006F80000-0x0000000006F8E000-memory.dmp
memory/2060-142-0x0000000004D90000-0x00000000053B8000-memory.dmp
memory/2060-147-0x0000000005A50000-0x0000000005A6E000-memory.dmp
memory/2060-154-0x0000000006DC0000-0x0000000006DCA000-memory.dmp
memory/2060-153-0x0000000006D50000-0x0000000006D6A000-memory.dmp
memory/2060-145-0x0000000004B30000-0x0000000004B96000-memory.dmp
memory/2060-152-0x00000000073A0000-0x0000000007A1A000-memory.dmp
memory/2060-151-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/2060-146-0x0000000004CD0000-0x0000000004D36000-memory.dmp
memory/2060-149-0x0000000006A20000-0x0000000006A52000-memory.dmp
memory/2060-150-0x0000000070B60000-0x0000000070BAC000-memory.dmp
memory/3036-135-0x00000000058E0000-0x00000000058EA000-memory.dmp
memory/3036-132-0x0000000000C50000-0x0000000000D12000-memory.dmp
memory/3036-133-0x0000000005D30000-0x00000000062D4000-memory.dmp
memory/3036-134-0x00000000056D0000-0x0000000005762000-memory.dmp
memory/3036-136-0x00000000091C0000-0x000000000925C000-memory.dmp
memory/3496-148-0x0000000006610000-0x00000000067D2000-memory.dmp
memory/3496-143-0x0000000000400000-0x0000000000426000-memory.dmp