Analysis
-
max time kernel
120s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
30/08/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
Invoice-2238562.pdf.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Invoice-2238562.pdf.exe
Resource
win10v2004-20240802-en
General
-
Target
Invoice-2238562.pdf.exe
-
Size
697KB
-
MD5
ffce60d577ed0b67ba4f4a590fa1aabc
-
SHA1
b3ed06cb9856f457fd161efee573e3d9695cccb3
-
SHA256
5827d53c05670c0d0f65d0ce989000b410cfbfb5a9831107d8dfbb13280501cb
-
SHA512
cb5bd447f3c2d281ff93cb49c82f961e9a9edfa7efc1b6acb5bb6e9ac3fba7d20fe5ebb0b386c0b1582787d0aa40a370700b86629dcdb9638dcfe9e60e2fadb8
-
SSDEEP
12288:3kVV5pxDntgsVsuhtng2RcAxzCUZk/25J/l4FZGb4jmoMA+d7CvWZMWMPagvk:325rp/zRcKPZk/O/lsZGHoMA6eoMzpvk
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.cgate-ae.com - Port:
587 - Username:
[email protected] - Password:
3_R1bH2BnpXc - Email To:
[email protected]
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2996 powershell.exe 2364 powershell.exe -
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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2120 set thread context of 2780 2120 Invoice-2238562.pdf.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice-2238562.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Invoice-2238562.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2764 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2780 Invoice-2238562.pdf.exe 2364 powershell.exe 2996 powershell.exe 2780 Invoice-2238562.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2780 Invoice-2238562.pdf.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2780 Invoice-2238562.pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2996 2120 Invoice-2238562.pdf.exe 30 PID 2120 wrote to memory of 2996 2120 Invoice-2238562.pdf.exe 30 PID 2120 wrote to memory of 2996 2120 Invoice-2238562.pdf.exe 30 PID 2120 wrote to memory of 2996 2120 Invoice-2238562.pdf.exe 30 PID 2120 wrote to memory of 2364 2120 Invoice-2238562.pdf.exe 32 PID 2120 wrote to memory of 2364 2120 Invoice-2238562.pdf.exe 32 PID 2120 wrote to memory of 2364 2120 Invoice-2238562.pdf.exe 32 PID 2120 wrote to memory of 2364 2120 Invoice-2238562.pdf.exe 32 PID 2120 wrote to memory of 2764 2120 Invoice-2238562.pdf.exe 34 PID 2120 wrote to memory of 2764 2120 Invoice-2238562.pdf.exe 34 PID 2120 wrote to memory of 2764 2120 Invoice-2238562.pdf.exe 34 PID 2120 wrote to memory of 2764 2120 Invoice-2238562.pdf.exe 34 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 PID 2120 wrote to memory of 2780 2120 Invoice-2238562.pdf.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Invoice-2238562.pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QyszliywyYQPNQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2364
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QyszliywyYQPNQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE37.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2764
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2780
-
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
-
Filesize
1KB
MD51f239a175a76edd493a62e9c1f816761
SHA1dad33e377ec3e4a739acd08980ea7232af989191
SHA256f3b07b6a05c4c7a1bf48dd3396b59564cf45b147c87aed56481199bbc82b443c
SHA51252ba203f38d46964ce67e7b4bf38c963a20168bacce18e464f6d05c0d06f3d44285f5267f0461fc092a26f792606809c50344f9b578aed85b2b9993f073f626a
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD524d96762694cbb577d5b8bfe6dce4187
SHA1fa3ae7a201bf0a1b1fd7cf296668c266d712a90a
SHA256c55f41aceb4391b50a2b1a7b37baf3335f246a37d9c9e2ab6cf4269b1eaa1815
SHA51250eec32905f808786515a35d9e6173d0ca7d2f92d00a4680d5437864ae66794a196ed95036e573306eefe8d62d7ddfa62e56e5ea3cf84306d3a1e7f6f09172ab