Analysis
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max time kernel
120s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 09:06
Static task
static1
Behavioral task
behavioral1
Sample
BBV.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BBV.exe
Resource
win10v2004-20250314-en
General
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Target
BBV.exe
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Size
746KB
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MD5
ff44cffdcaecb4c6193eb693e237a831
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SHA1
c520d27c72614228a1a807c032dd575b84a5ab23
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SHA256
038677a185ea0f86acc0ebdc57c493a7062638ea3856d2175e28e3cc28be271f
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SHA512
a4d0a2505e53269fe3d01ef119311a77fb3150cbab38911ad2bd762b5733d819c035776fd6ffa7b5f8332bd3d44659f50a761271b70659bfa2d94d91dbb9a9e2
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SSDEEP
12288:9iQiKaxnTjFAjWqvvNzbAgchsWCNCWagVgA2knUkbo0ln4v7cmlTJ3gB4grn8kR:IQid/FA1NzUgchRCvSddgoGnG7ZTmmgP
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
fiber13.dnsiaas.com - Port:
587 - Username:
[email protected] - Password:
dst1Mq)D~5DP - 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 2940 powershell.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.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 9 reallyfreegeoip.org 4 checkip.dyndns.org 8 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 264 set thread context of 2732 264 BBV.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 BBV.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 RegSvcs.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 2056 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 264 BBV.exe 264 BBV.exe 264 BBV.exe 264 BBV.exe 2732 RegSvcs.exe 2940 powershell.exe 2732 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 264 BBV.exe Token: SeDebugPrivilege 2732 RegSvcs.exe Token: SeDebugPrivilege 2940 powershell.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 264 wrote to memory of 2940 264 BBV.exe 31 PID 264 wrote to memory of 2940 264 BBV.exe 31 PID 264 wrote to memory of 2940 264 BBV.exe 31 PID 264 wrote to memory of 2940 264 BBV.exe 31 PID 264 wrote to memory of 2056 264 BBV.exe 33 PID 264 wrote to memory of 2056 264 BBV.exe 33 PID 264 wrote to memory of 2056 264 BBV.exe 33 PID 264 wrote to memory of 2056 264 BBV.exe 33 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2864 264 BBV.exe 35 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 PID 264 wrote to memory of 2732 264 BBV.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description 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 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BBV.exe"C:\Users\Admin\AppData\Local\Temp\BBV.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LJbLJCfEB.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2940
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LJbLJCfEB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2056
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:2864
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5bea8a204ff17554a707a0e4b0ef014ba
SHA14c8612078621c0560eb7e9af466a5053ac528e92
SHA256e6d52e02ba1c8fec31ae934e57ca52fdb462ac56e3d09c3084215e2849fbe756
SHA512a9e956646e1e10e6ea2ecc34e050fabb9a55ca144375d042d1784fc06cc6825a61bd6bebe2a99d628ae58620c1510dd92e64df849f30ca5b687297202c751119