Analysis
- max time kernel
120s - max time network
120s - platform
windows7_x64 - resource
win7-20240704-en - resource tags
- submitted
09/08/2024, 09:09
General
- Target SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe
- Size 593KB
- Sample240809-k4rfrsseqc
- SHA256 5f569c72db9c31528daf2e907938b9bb711ea3a050efe5bf5d514dc962c5415c
Malware Config
Extracted
-
snakekeylogger
-
Protocol
smtp
-
Host
mail.blooming.com.my
-
Port
587
-
Username
-
Password
THL191282
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 5 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\eVoVlc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eVoVlc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD079.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.AgentTeslaNET.20.18404.26345.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
tmpD079.tmp
memory/2548-0-0x000000007402E000-0x000000007402F000-memory.dmp
memory/2548-1-0x0000000000230000-0x00000000002CA000-memory.dmp
memory/2548-2-0x0000000074020000-0x000000007470E000-memory.dmp
memory/2548-3-0x0000000000310000-0x0000000000322000-memory.dmp
memory/2548-4-0x0000000000360000-0x000000000036E000-memory.dmp
memory/2548-5-0x00000000050B0000-0x0000000005118000-memory.dmp
memory/2548-26-0x0000000074020000-0x000000007470E000-memory.dmp
memory/2876-21-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-20-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2876-15-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-13-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-11-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-17-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2876-25-0x0000000000400000-0x0000000000426000-memory.dmp