Analysis
- max time kernel
136s - max time network
139s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/03/2021, 13:13
General
- Target INVOICE 25667833822..exe
- Size 717KB
- Sample210326-mh3pvqxml2
- SHA256 2f04a5ee5dd49fab427e034e5db7dcc8a4627e700e535001e8a4cd59409f4b60
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1602937611:AAEOIU1K5xKEVHdfqJXcFCg6EQE57PjXejE/sendMessage?chat_id=1644584536
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 IoCs
- 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.
- Looks up external IP address via web service 3 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AKxovBfkQwyGqO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB05A.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\INVOICE 25667833822..exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4068-24-0x00000000063B0000-0x00000000063B1000-memory.dmp
memory/4068-23-0x00000000052A0000-0x00000000052A1000-memory.dmp
memory/4068-18-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4068-15-0x0000000000400000-0x0000000000468000-memory.dmp
memory/4684-7-0x0000000004E70000-0x0000000004E71000-memory.dmp
memory/4684-12-0x0000000008D20000-0x0000000008D96000-memory.dmp
memory/4684-11-0x0000000006B90000-0x0000000006C03000-memory.dmp
memory/4684-10-0x0000000008DC0000-0x0000000008DC1000-memory.dmp
memory/4684-9-0x0000000004F20000-0x0000000004F25000-memory.dmp
memory/4684-8-0x00000000027B0000-0x00000000027B1000-memory.dmp
memory/4684-2-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4684-6-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
memory/4684-5-0x0000000005290000-0x0000000005291000-memory.dmp
memory/4684-3-0x0000000000310000-0x0000000000311000-memory.dmp