Overview
overview
10Static
static
3BugSplat64.dll
windows7-x64
10BugSplat64.dll
windows10-2004-x64
10PO202501B.exe
windows7-x64
10PO202501B.exe
windows10-2004-x64
10vcruntime140.dll
windows7-x64
1vcruntime140.dll
windows10-2004-x64
1vcruntime140_1.dll
windows7-x64
1vcruntime140_1.dll
windows10-2004-x64
1vcruntime211.dll
windows7-x64
1vcruntime211.dll
windows10-2004-x64
1Analysis
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max time kernel
148s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
19/02/2025, 10:12
Static task
static1
Behavioral task
behavioral1
Sample
BugSplat64.dll
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
BugSplat64.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
PO202501B.exe
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
PO202501B.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
vcruntime140.dll
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
vcruntime140.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral7
Sample
vcruntime140_1.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
vcruntime140_1.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral9
Sample
vcruntime211.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
vcruntime211.dll
Resource
win10v2004-20250217-en
General
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Target
BugSplat64.dll
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Size
8.5MB
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MD5
1ff0255fb75d95d65da33e95cc93d871
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SHA1
5e59e19d377381faa9c842b3abc53cd1d15c6451
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SHA256
b28a3906a0ea16e8766f9c14ed934e1f689cf5b0d95c5463bd3e4de97873c046
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SHA512
b4c693f3499be2a7b38f68caf9241f7f3fe917b329e480420270e342c7a7d398747700ee33de05e08b52bc5ca3b4636ade3a01cc299006d01f0c4cb88a4ceaa4
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SSDEEP
98304:1gaqeCWnlBVJKsWZiV5wn6dMPdXPE7m2PPf1Gf6:iaqeznl/wsWZiVG6I2NGf
Malware Config
Extracted
vipkeylogger
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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Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wmplayer.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wmplayer.exe Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wmplayer.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 4 checkip.dyndns.org 8 reallyfreegeoip.org 9 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1584 set thread context of 2704 1584 rundll32.exe 39 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmplayer.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2704 wmplayer.exe 2704 wmplayer.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2704 wmplayer.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 1748 1584 rundll32.exe 30 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2576 1584 rundll32.exe 31 PID 1584 wrote to memory of 2372 1584 rundll32.exe 32 PID 1584 wrote to memory of 2372 1584 rundll32.exe 32 PID 1584 wrote to memory of 2372 1584 rundll32.exe 32 PID 1584 wrote to memory of 2372 1584 rundll32.exe 32 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2404 1584 rundll32.exe 33 PID 1584 wrote to memory of 2564 1584 rundll32.exe 34 PID 1584 wrote to memory of 2564 1584 rundll32.exe 34 PID 1584 wrote to memory of 2564 1584 rundll32.exe 34 PID 1584 wrote to memory of 2564 1584 rundll32.exe 34 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2756 1584 rundll32.exe 35 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2868 1584 rundll32.exe 36 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2792 1584 rundll32.exe 37 PID 1584 wrote to memory of 2892 1584 rundll32.exe 38 PID 1584 wrote to memory of 2892 1584 rundll32.exe 38 PID 1584 wrote to memory of 2892 1584 rundll32.exe 38 PID 1584 wrote to memory of 2892 1584 rundll32.exe 38 PID 1584 wrote to memory of 2892 1584 rundll32.exe 38 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wmplayer.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 wmplayer.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\BugSplat64.dll,#11⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"2⤵PID:1748
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"2⤵PID:2576
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"2⤵PID:2372
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵PID:2404
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"2⤵PID:2564
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C:\Windows\System32\calc.exe"C:\Windows\System32\calc.exe"2⤵PID:2756
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C:\Windows\System32\svchost.exe"C:\Windows\System32\svchost.exe"2⤵PID:2868
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵PID:2792
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:2892
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.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:2704
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