Analysis
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max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-10-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
invoices.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
invoices.exe
Resource
win10v2004-20240802-en
General
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Target
invoices.exe
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Size
757KB
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MD5
fbe6bc03a03310d3cb73b56f26c450c4
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SHA1
daef2bf82d629458f58ef53c2faf93970c27644e
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SHA256
1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195
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SHA512
55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1
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SSDEEP
12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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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.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.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.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
invoices.exedescription pid process target process PID 2620 set thread context of 2692 2620 invoices.exe invoices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
Processes:
invoices.exepowershell.exeschtasks.exeinvoices.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoices.exe 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 invoices.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
invoices.exeinvoices.exepowershell.exepid process 2620 invoices.exe 2620 invoices.exe 2620 invoices.exe 2620 invoices.exe 2692 invoices.exe 2956 powershell.exe 2692 invoices.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
invoices.exeinvoices.exepowershell.exedescription pid process Token: SeDebugPrivilege 2620 invoices.exe Token: SeDebugPrivilege 2692 invoices.exe Token: SeDebugPrivilege 2956 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
invoices.exedescription pid process target process PID 2620 wrote to memory of 2956 2620 invoices.exe powershell.exe PID 2620 wrote to memory of 2956 2620 invoices.exe powershell.exe PID 2620 wrote to memory of 2956 2620 invoices.exe powershell.exe PID 2620 wrote to memory of 2956 2620 invoices.exe powershell.exe PID 2620 wrote to memory of 2688 2620 invoices.exe schtasks.exe PID 2620 wrote to memory of 2688 2620 invoices.exe schtasks.exe PID 2620 wrote to memory of 2688 2620 invoices.exe schtasks.exe PID 2620 wrote to memory of 2688 2620 invoices.exe schtasks.exe PID 2620 wrote to memory of 2568 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2568 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2568 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2568 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe PID 2620 wrote to memory of 2692 2620 invoices.exe invoices.exe -
outlook_office_path 1 IoCs
Processes:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe -
outlook_win_path 1 IoCs
Processes:
invoices.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoices.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoices.exe"C:\Users\Admin\AppData\Local\Temp\invoices.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2956
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80E3.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2688
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C:\Users\Admin\AppData\Local\Temp\invoices.exe"C:\Users\Admin\AppData\Local\Temp\invoices.exe"2⤵PID:2568
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C:\Users\Admin\AppData\Local\Temp\invoices.exe"C:\Users\Admin\AppData\Local\Temp\invoices.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
PID:2692
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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
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Filesize
1KB
MD56ee3573030012184c376b2f5f592a0ab
SHA1a17cdab7d75a2a95d324fd1073c397bd4fb3d541
SHA256430e63f6964803645293550367570dce5ef9354b0301c241dc4dbad4877b69c9
SHA512a84fac94f3a3f11423b41c42e30ad77adc33a1483f8764d46ffc41a9c466bb0ad48d40d75a5af1d81d6e053e99aa8b041bf72875bb69ee4c58c450b098edaadf