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
150s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
19/02/2025, 11:51
Static task
static1
Behavioral task
behavioral1
Sample
BugSplat64.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
BugSplat64.dll
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
PO202501B.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
PO202501B.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
vcruntime140.dll
Resource
win7-20240903-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
PO202501B.exe
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Size
255KB
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MD5
2a39ab7049226dec986fa602a26f5372
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SHA1
f0baf3b4f1dbcc6dd21e6f1279c741c0051c03cc
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SHA256
ad4cd780bd7accd7482dcf6222910aafee971c7ab870ebae0022d51b237fa5cb
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SHA512
5190d06d07b72f8ebaf326b6c0fcd85963afe598be499afee11881905ded944b58829a6ddc85a94f75621e5936496e151a1d8b4b96d12d38148a1f256841dafa
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SSDEEP
6144:WIaCAK/UGjgTPD/CRe4GvTS8w9hzc9ap+zGj:hz7KmH9tp1
Malware Config
Extracted
Protocol: smtp- Host:
mail.groupscrea.com - Port:
587 - Username:
[email protected] - Password:
cletus1905@
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.groupscrea.com - Port:
587 - Username:
[email protected] - Password:
cletus1905@ - 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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Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.dyndns.org 19 reallyfreegeoip.org 20 reallyfreegeoip.org 23 reallyfreegeoip.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 976 set thread context of 3680 976 PO202501B.exe 87 PID 976 set thread context of 4604 976 PO202501B.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 AddInProcess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language installutil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3680 AddInProcess32.exe 4604 installutil.exe 3680 AddInProcess32.exe 4604 installutil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3680 AddInProcess32.exe Token: SeDebugPrivilege 4604 installutil.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 3680 976 PO202501B.exe 87 PID 976 wrote to memory of 2104 976 PO202501B.exe 88 PID 976 wrote to memory of 2104 976 PO202501B.exe 88 PID 976 wrote to memory of 2104 976 PO202501B.exe 88 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 PID 976 wrote to memory of 4604 976 PO202501B.exe 89 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 installutil.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO202501B.exe"C:\Users\Admin\AppData\Local\Temp\PO202501B.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:976 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_win_path
PID:3680
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵PID:2104
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
PID:4604
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