Analysis
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max time kernel
117s -
max time network
160s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
26/02/2025, 06:36
Static task
static1
Behavioral task
behavioral1
Sample
8391104.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8391104.exe
Resource
win10v2004-20250217-en
General
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Target
8391104.exe
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Size
758KB
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MD5
50afdccb067af3ab7d20942e7bfc900a
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SHA1
3d4e821d0a4e22efb13840a8df9febb7cb2e93de
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SHA256
5e27c8b30586c5da69dab625c07db9ef9750213c1ea0053e35f62c098570d187
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SHA512
9b015501b7c4c316f1d0f05d5872db7dbb5e093a23e3addb309ed8cc7c6a540b923c3c06c309b6d538eb5a219c89d9cde24e87164a786fbdbd275acde7ac9cc8
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SSDEEP
12288:jk383le9ciHHsOGOXzLfLw+zQ9n10wJJCkItJO9YRmJAHBUgQFlx02KJHtJp1g+:jW3NSOXzLTm+wiHtF+CBdCl22K9Hg+
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
C$f)cMq8 - 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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Vipkeylogger family
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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.
pid Process 2732 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.
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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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8391104.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8391104.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8391104.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 reallyfreegeoip.org 9 reallyfreegeoip.org 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2520 set thread context of 2768 2520 8391104.exe 36 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8391104.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 8391104.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 2804 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2520 8391104.exe 2520 8391104.exe 2520 8391104.exe 2520 8391104.exe 2768 8391104.exe 2732 powershell.exe 2768 8391104.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2520 8391104.exe Token: SeDebugPrivilege 2768 8391104.exe Token: SeDebugPrivilege 2732 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2520 wrote to memory of 2732 2520 8391104.exe 31 PID 2520 wrote to memory of 2732 2520 8391104.exe 31 PID 2520 wrote to memory of 2732 2520 8391104.exe 31 PID 2520 wrote to memory of 2732 2520 8391104.exe 31 PID 2520 wrote to memory of 2804 2520 8391104.exe 32 PID 2520 wrote to memory of 2804 2520 8391104.exe 32 PID 2520 wrote to memory of 2804 2520 8391104.exe 32 PID 2520 wrote to memory of 2804 2520 8391104.exe 32 PID 2520 wrote to memory of 2912 2520 8391104.exe 35 PID 2520 wrote to memory of 2912 2520 8391104.exe 35 PID 2520 wrote to memory of 2912 2520 8391104.exe 35 PID 2520 wrote to memory of 2912 2520 8391104.exe 35 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 PID 2520 wrote to memory of 2768 2520 8391104.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8391104.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 8391104.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8391104.exe"C:\Users\Admin\AppData\Local\Temp\8391104.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HyiSGmoZImhJVO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HyiSGmoZImhJVO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE1A8.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2804
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C:\Users\Admin\AppData\Local\Temp\8391104.exe"C:\Users\Admin\AppData\Local\Temp\8391104.exe"2⤵PID:2912
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C:\Users\Admin\AppData\Local\Temp\8391104.exe"C:\Users\Admin\AppData\Local\Temp\8391104.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:2768
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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
MD5f03b1456d1d2d65df8a699e04b49d245
SHA1780794b9d43e913ad5062489d1e99d315f1eed19
SHA256f57965e553e3753392c0d3c5c054b0fc131b5e8022bcf009ba75d18e55bc1c03
SHA512276f0f00ef4d63aad4439d696d0574fabef5514f9821d10e69c331e353cd6eebcedeca3b447c99efe14c5eb78fa38b28c767dcd1c191e3964c87be6b3287789a