Analysis
- max time kernel
42s - max time network
141s - platform
windows7_x64 - resource
win7-20220715-en - resource tags
- submitted
23/07/2022, 15:51
General
- Target Quotation No-248_R1..exe
- Size 417KB
- Sample220723-tagtxafeaj
- SHA256 64751196bc0566bc4dd1dafb1b99ca28e7676e6c6f56fb0a9e4e1f43ea61dd10
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5200365593:AAGRpC_tWb3avAayYSeKw5B6h5VRh7b19kU/sendMessage?chat_id=1482312326
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 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.
- 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation No-248_R1..exe"C:\Users\Admin\AppData\Local\Temp\Quotation No-248_R1..exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qQlGsjYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7540.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Quotation No-248_R1..exe"{path}"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
tmp7540.tmp
memory/288-57-0x0000000004D90000-0x0000000004E00000-memory.dmp
memory/288-55-0x0000000076191000-0x0000000076193000-memory.dmp
memory/288-54-0x00000000009A0000-0x0000000000A0E000-memory.dmp
memory/288-58-0x00000000041E0000-0x0000000004206000-memory.dmp
memory/288-56-0x00000000003D0000-0x00000000003DA000-memory.dmp
memory/428-67-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/428-72-0x0000000000400000-0x0000000000426000-memory.dmp