Analysis
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max time kernel
122s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 10:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PO202501A.zip
Resource
win7-20240903-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO202501A.zip
Resource
win10v2004-20241007-en
windows10-2004-x64
2 signatures
150 seconds
Behavioral task
behavioral3
Sample
BugSplat64.dll
Resource
win7-20241010-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral4
Sample
BugSplat64.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
16 signatures
150 seconds
Behavioral task
behavioral5
Sample
PO202501A.exe
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral6
Sample
PO202501A.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
PO202501A.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
Family
vipkeylogger
C2
https://api.telegram.org/bot7328132851:AAGjxJzgHhOy6CKcH2zQWuOPw-Si4v2MtvU/sendMessage?chat_id=7467176655
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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO202501A = "cmd.exe /C start \"\" /D \"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RootServices\" \"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RootServices\\PO202501A.exe\"" reg.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 17 reallyfreegeoip.org 4 checkip.dyndns.org 9 reallyfreegeoip.org 10 reallyfreegeoip.org -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2692 set thread context of 2720 2692 PO202501A.exe 34 PID 2692 set thread context of 2488 2692 PO202501A.exe 35 -
Drops file in Windows directory 64 IoCs
description ioc Process File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\935330fd-4004-4f6a-8e7d-6f84b499f60b.tmp PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_NDP472-KB4054530-x86-x64-AllOS-ENU_decompression_log.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E19.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E54.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install_reg.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Kno55CF.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\BugSplat64.dll PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_773.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\JavaDeployReg.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Kno55CF.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\KnoB4BD.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\RD2F97.tmp PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Admin.bmp PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistMSI1E54.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_773.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\FXSAPIDebugLogFile.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00000.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistMSI1E54.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\RGI2D87.tmp PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00000.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jawshtml.html PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\6bb95d14-6008-45c6-854b-217ed10de34b.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\chrome_installer.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\FXSAPIDebugLogFile.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052322-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052630-0.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00001.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_336.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\KnoB4BD.tmp PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052322-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ASPNETSetup_00001.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E19.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install_reg.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jawshtml.html PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842-MSI_netfx_Full_x64.msi.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistUI1E54.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_wcf_CA_smci_20240903_051547_336.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\wmsetup.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\BugSplat64.dll PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\JavaDeployReg.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842-MSI_netfx_Full_x64.msi.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052630-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_NDP472-KB4054530-x86-x64-AllOS-ENU_decompression_log.txt PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842.html PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Microsoft .NET Framework 4.7.2 Setup_20240903_051533842.html PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_SetupUtility.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052812-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jusched.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052458-0.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_SetupUtility.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052952-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052952-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\PO202501A.exe PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052458-0.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\java_install.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\lpksetup-20240903-052812-0.log PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\935330fd-4004-4f6a-8e7d-6f84b499f60b.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\Admin.bmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\dd_vcredistMSI1E19.txt PO202501A.exe File opened for modification C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\jusched.log PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\6bb95d14-6008-45c6-854b-217ed10de34b.tmp PO202501A.exe File created C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\ose00000.exe PO202501A.exe -
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 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2720 AddInProcess32.exe 2488 AddInProcess32.exe 2720 AddInProcess32.exe 2488 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2692 PO202501A.exe Token: SeDebugPrivilege 2720 AddInProcess32.exe Token: SeDebugPrivilege 2488 AddInProcess32.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2692 wrote to memory of 3036 2692 PO202501A.exe 30 PID 2692 wrote to memory of 3036 2692 PO202501A.exe 30 PID 2692 wrote to memory of 3036 2692 PO202501A.exe 30 PID 3036 wrote to memory of 2604 3036 cmd.exe 32 PID 3036 wrote to memory of 2604 3036 cmd.exe 32 PID 3036 wrote to memory of 2604 3036 cmd.exe 32 PID 2604 wrote to memory of 1608 2604 cmd.exe 33 PID 2604 wrote to memory of 1608 2604 cmd.exe 33 PID 2604 wrote to memory of 1608 2604 cmd.exe 33 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2720 2692 PO202501A.exe 34 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 PID 2692 wrote to memory of 2488 2692 PO202501A.exe 35 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO202501A.exe"C:\Users\Admin\AppData\Local\Temp\PO202501A.exe"1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\system32\cmd.exe"cmd.exe" /C cmd.exe /C reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "PO202501A" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\PO202501A.exe\"" /f2⤵
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Windows\system32\cmd.execmd.exe /C reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "PO202501A" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\PO202501A.exe\"" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\system32\reg.exereg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "PO202501A" /t REG_SZ /d "cmd.exe /C start \"\" /D \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\" \"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RootServices\PO202501A.exe\"" /f4⤵
- Adds Run key to start application
PID:1608
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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⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
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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⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2488
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