Analysis
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max time kernel
93s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 04:15
Static task
static1
Behavioral task
behavioral1
Sample
invoice.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
invoice.exe
Resource
win10v2004-20240802-en
General
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Target
invoice.exe
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Size
777KB
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MD5
69f5ec778e467c7d87f15b201c893816
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SHA1
4e2b63cce411847e95177765064b3fc03463590b
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SHA256
a433aa981a5cbfd5fae678c523b088d034f61f57dcb61232fbaba73657867b36
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SHA512
8c31ed6c55abfb8d4e5ab9f8b39d05571a583322385a7fc28427f48326ec5e43e9c66c99748e0c53cbc98c904175ffa82aac5d539121c095dda06355b6b7890b
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SSDEEP
24576:vOGaAeBqAiwCZDOwl3UYfWFEBftBW2Zye:4LgAiTZDhlRWFEBVw2ZF
Malware Config
Extracted
Protocol: smtp- Host:
foxwagon-equipment.com - Port:
587 - Username:
[email protected] - Password:
SVBd8Gv^}!B1
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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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:
invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice.exe Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice.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 28 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
invoice.exedescription pid process target process PID 2940 set thread context of 4700 2940 invoice.exe invoice.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
invoice.exeinvoice.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language invoice.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
invoice.exeinvoice.exepid process 2940 invoice.exe 2940 invoice.exe 4700 invoice.exe 4700 invoice.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
invoice.exeinvoice.exedescription pid process Token: SeDebugPrivilege 2940 invoice.exe Token: SeDebugPrivilege 4700 invoice.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
invoice.exedescription pid process target process PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe PID 2940 wrote to memory of 4700 2940 invoice.exe invoice.exe -
outlook_office_path 1 IoCs
Processes:
invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice.exe -
outlook_win_path 1 IoCs
Processes:
invoice.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.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:4700
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