Analysis
- max time kernel
90s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
12/10/2022, 07:32
General
- Target fatura.exe
- Size 786KB
- Sample221012-jcyv4achbp
- SHA256 deac8ad34ff6f59a3ccdb8161f7aff94cdb9780d74201f77142c34bccf0fcd18
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5402813712:AAG__8vfwqo_1K9XHIpxzTR9T7UW4raysO4/sendMessage?chat_id=5034680713
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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fatura.exe"C:\Users\Admin\AppData\Local\Temp\fatura.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\Local\Temp\fatura.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fAxfuvuCU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fAxfuvuCU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp808A.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\fatura.exe"C:\Users\Admin\AppData\Local\Temp\fatura.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
StartupProfileData-NonInteractive
tmp808A.tmp
memory/1312-133-0x0000000005670000-0x0000000005C14000-memory.dmp
memory/1312-134-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/1312-135-0x0000000006240000-0x0000000006858000-memory.dmp
memory/1312-136-0x00000000052F0000-0x00000000052FA000-memory.dmp
memory/1312-137-0x000000000A580000-0x000000000A61C000-memory.dmp
memory/1312-138-0x000000000A890000-0x000000000A8F6000-memory.dmp
memory/1312-132-0x0000000000680000-0x000000000074A000-memory.dmp
memory/4016-145-0x0000000005610000-0x0000000005632000-memory.dmp
memory/4016-154-0x0000000070B60000-0x0000000070BAC000-memory.dmp
memory/4016-141-0x0000000005170000-0x00000000051A6000-memory.dmp
memory/4016-159-0x0000000007C00000-0x0000000007C0E000-memory.dmp
memory/4016-156-0x00000000079D0000-0x00000000079EA000-memory.dmp
memory/4016-151-0x0000000007680000-0x00000000076B2000-memory.dmp
memory/4016-155-0x0000000008020000-0x000000000869A000-memory.dmp
memory/4016-143-0x00000000057E0000-0x0000000005E08000-memory.dmp
memory/4852-147-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4852-150-0x0000000006AE0000-0x0000000006CA2000-memory.dmp
memory/4872-153-0x0000000006990000-0x00000000069AE000-memory.dmp
memory/4872-152-0x0000000070B60000-0x0000000070BAC000-memory.dmp
memory/4872-149-0x00000000063E0000-0x00000000063FE000-memory.dmp
memory/4872-157-0x0000000007750000-0x000000000775A000-memory.dmp
memory/4872-158-0x0000000007960000-0x00000000079F6000-memory.dmp
memory/4872-148-0x0000000005D00000-0x0000000005D66000-memory.dmp
memory/4872-160-0x0000000007A20000-0x0000000007A3A000-memory.dmp
memory/4872-161-0x0000000007A00000-0x0000000007A08000-memory.dmp