Analysis
- max time kernel
76s - max time network
153s - platform
windows7_x64 - resource
win7-20240704-en - submitted
07/08/2024, 06:40
General
- Target Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe
- Size 778KB
- Sample240807-he7ekstdnp
- SHA256 5b47063fd9223d5539609abb082e0f05e79eb13b85ffa528a00bf8416adf587e
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.tahaqoq.com
-
Port
587
-
Username
-
Password
T@ha5241+*
-
Email to
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- 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 3 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
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 6 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\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.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\VFtEadWLqd.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\VFtEadWLqd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18DE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A26bxFeVaGBy].bat.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
tmp18DE.tmp
memory/2540-27-0x00000000743D0000-0x0000000074ABE000-memory.dmp
memory/2540-1-0x0000000000AC0000-0x0000000000B88000-memory.dmp
memory/2540-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp
memory/2540-3-0x0000000000680000-0x000000000069A000-memory.dmp
memory/2540-4-0x00000000002F0000-0x00000000002FE000-memory.dmp
memory/2540-5-0x0000000000550000-0x0000000000566000-memory.dmp
memory/2540-6-0x00000000059C0000-0x0000000005A4C000-memory.dmp
memory/2540-0-0x00000000743DE000-0x00000000743DF000-memory.dmp
memory/2876-14-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-22-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-24-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2876-18-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-16-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-12-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2876-21-0x0000000000400000-0x0000000000448000-memory.dmp