Analysis
- max time kernel
136s - max time network
139s - platform
windows7_x64 - resource
win7-20220812-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 6 IoCs
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 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⤵
- 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\tmpD173.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
tmpD173.tmp
memory/936-78-0x000000006E3C0000-0x000000006E96B000-memory.dmp
memory/936-77-0x000000006E3C0000-0x000000006E96B000-memory.dmp
memory/1084-63-0x0000000000BF0000-0x0000000000C16000-memory.dmp
memory/1084-58-0x00000000012B0000-0x0000000001310000-memory.dmp
memory/1084-57-0x00000000004F0000-0x00000000004FC000-memory.dmp
memory/1084-54-0x0000000001340000-0x0000000001402000-memory.dmp
memory/1084-55-0x0000000074C91000-0x0000000074C93000-memory.dmp
memory/1084-56-0x00000000005D0000-0x00000000005E6000-memory.dmp
memory/2016-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-69-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-73-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-75-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-65-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2016-64-0x0000000000400000-0x0000000000426000-memory.dmp