Analysis
- max time kernel
148s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240802-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 1 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 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⤵
- Checks computer location settings
- 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\tmpE261.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
__PSScriptPolicyTest_s4cevuyc.ldg.ps1
tmpE261.tmp
memory/2412-67-0x0000000006960000-0x0000000006B22000-memory.dmp
memory/2412-66-0x0000000006740000-0x0000000006790000-memory.dmp
memory/2412-65-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/2412-37-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/2412-27-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/2412-18-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3456-17-0x0000000004C10000-0x0000000005238000-memory.dmp
memory/3456-55-0x0000000006EB0000-0x0000000006EBA000-memory.dmp
memory/3456-64-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3456-59-0x0000000007080000-0x0000000007094000-memory.dmp
memory/3456-61-0x0000000007160000-0x0000000007168000-memory.dmp
memory/3456-16-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3456-21-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3456-24-0x00000000052B0000-0x0000000005316000-memory.dmp
memory/3456-60-0x0000000007180000-0x000000000719A000-memory.dmp
memory/3456-58-0x0000000007070000-0x000000000707E000-memory.dmp
memory/3456-26-0x00000000054A0000-0x00000000057F4000-memory.dmp
memory/3456-57-0x0000000007040000-0x0000000007051000-memory.dmp
memory/3456-23-0x0000000005240000-0x00000000052A6000-memory.dmp
memory/3456-22-0x0000000004A60000-0x0000000004A82000-memory.dmp
memory/3456-56-0x00000000070C0000-0x0000000007156000-memory.dmp
memory/3456-19-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3456-14-0x00000000045A0000-0x00000000045D6000-memory.dmp
memory/3456-38-0x0000000005B20000-0x0000000005B3E000-memory.dmp
memory/3456-39-0x0000000005B50000-0x0000000005B9C000-memory.dmp
memory/3456-51-0x00000000060C0000-0x00000000060DE000-memory.dmp
memory/3456-52-0x0000000006D00000-0x0000000006DA3000-memory.dmp
memory/3456-41-0x0000000070630000-0x000000007067C000-memory.dmp
memory/3456-40-0x00000000060E0000-0x0000000006112000-memory.dmp
memory/3456-54-0x0000000006E40000-0x0000000006E5A000-memory.dmp
memory/3456-53-0x0000000007490000-0x0000000007B0A000-memory.dmp
memory/3816-9-0x0000000006560000-0x00000000065C8000-memory.dmp
memory/3816-4-0x00000000051E0000-0x00000000051EA000-memory.dmp
memory/3816-5-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3816-6-0x00000000054B0000-0x000000000554C000-memory.dmp
memory/3816-25-0x0000000074540000-0x0000000074CF0000-memory.dmp
memory/3816-7-0x00000000054A0000-0x00000000054B2000-memory.dmp
memory/3816-0-0x000000007454E000-0x000000007454F000-memory.dmp
memory/3816-8-0x00000000056A0000-0x00000000056AE000-memory.dmp
memory/3816-3-0x00000000051F0000-0x0000000005282000-memory.dmp
memory/3816-2-0x00000000056C0000-0x0000000005C64000-memory.dmp
memory/3816-1-0x0000000000740000-0x00000000007DA000-memory.dmp