Analysis
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max time kernel
107s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 03:29
Static task
static1
Behavioral task
behavioral1
Sample
Bank Details.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bank Details.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Bank Details.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Bank Details.exe
Resource
win10v2004-20240802-en
General
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Target
Bank Details.exe
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Size
3.1MB
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MD5
a6e4e89f00d68be02f99096e2a4a7354
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SHA1
4e3a9c9642b81afb1796456f469351fb9206f6a6
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SHA256
8e4c8220da40890346882eb27edbe5072ac81e47c2a78f4bc57dea2c4a7c7c4f
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SHA512
ce5de98ba70b480f3f30c425f20ab767e67b0c1c6a0e8fa644edb40bc07d442c7f37f2276e239c763c34571c8980f7985675e6e82a95351c029da80905d85ed3
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SSDEEP
12288:lzIuqPC3I1HwB/PhoNYXCMRIOxpbzJucOLCb3c2ZL/QgW0H0dhU:lz93IqBRogimbzJuccCb3c2K9dhU
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.volleymarketing.com - Port:
25 - Username:
[email protected] - Password:
volley@1234 - 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:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Bank Details.exedescription pid Process procid_target PID 2420 set thread context of 2164 2420 Bank Details.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid Process 2164 regasm.exe 2164 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid Process Token: SeDebugPrivilege 2164 regasm.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
Bank Details.exedescription pid Process procid_target PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2284 2420 Bank Details.exe 29 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2164 2420 Bank Details.exe 30 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 PID 2420 wrote to memory of 2852 2420 Bank Details.exe 31 -
outlook_office_path 1 IoCs
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe -
outlook_win_path 1 IoCs
Processes:
regasm.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"2⤵PID:2284
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:2164
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵PID:2852
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