Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
11-12-2024 11:59
Static task
static1
Behavioral task
behavioral1
Sample
obigfdsdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
obigfdsdf.exe
Resource
win10v2004-20241007-en
General
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Target
obigfdsdf.exe
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Size
692KB
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MD5
66ff1390c2cb8e18a5ed550f8dce6a34
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SHA1
17f102c8ec11b0435b158ed898f9d95f2cd31638
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SHA256
bc4f57934371fb9a46fe4ca5166ab1a4e16d523c4a43c28e4a7eded85839166b
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SHA512
ae1c0e214b31d4613e74b4c59f2d670cf32a039c2eb0cf92a1c2b71a652c436c891a3abc52a1ea80ef4c7cff1cf009ccc2149cb2765ed596b48e8f84cee242fd
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SSDEEP
12288:a3HI6t/p4clg97O1fD19dU7V0Um5h2gc/aYFHXIR76vZ6tFJnYrCdpqIRInTzp:UHIE/uogs1zUPmfSaYF4Ri65nCdIgv
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.jhxkgroup.online - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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 3032 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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obigfdsdf.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obigfdsdf.exe Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 obigfdsdf.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 3044 set thread context of 604 3044 obigfdsdf.exe 34 -
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 3 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 obigfdsdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language obigfdsdf.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3044 obigfdsdf.exe 3044 obigfdsdf.exe 604 obigfdsdf.exe 3032 powershell.exe 604 obigfdsdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3044 obigfdsdf.exe Token: SeDebugPrivilege 604 obigfdsdf.exe Token: SeDebugPrivilege 3032 powershell.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3044 wrote to memory of 3032 3044 obigfdsdf.exe 31 PID 3044 wrote to memory of 3032 3044 obigfdsdf.exe 31 PID 3044 wrote to memory of 3032 3044 obigfdsdf.exe 31 PID 3044 wrote to memory of 3032 3044 obigfdsdf.exe 31 PID 3044 wrote to memory of 2256 3044 obigfdsdf.exe 33 PID 3044 wrote to memory of 2256 3044 obigfdsdf.exe 33 PID 3044 wrote to memory of 2256 3044 obigfdsdf.exe 33 PID 3044 wrote to memory of 2256 3044 obigfdsdf.exe 33 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 PID 3044 wrote to memory of 604 3044 obigfdsdf.exe 34 -
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 obigfdsdf.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 obigfdsdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\obigfdsdf.exe"C:\Users\Admin\AppData\Local\Temp\obigfdsdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044 -
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\obigfdsdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Users\Admin\AppData\Local\Temp\obigfdsdf.exe"C:\Users\Admin\AppData\Local\Temp\obigfdsdf.exe"2⤵PID:2256
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C:\Users\Admin\AppData\Local\Temp\obigfdsdf.exe"C:\Users\Admin\AppData\Local\Temp\obigfdsdf.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:604
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2