Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2024 12:37
Static task
static1
Behavioral task
behavioral1
Sample
RFQ00032035.PDF.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RFQ00032035.PDF.scr.exe
Resource
win10v2004-20240802-en
General
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Target
RFQ00032035.PDF.scr.exe
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Size
186KB
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MD5
4c7c55280d405f6241f4c9f236fdea24
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SHA1
dfd1a0dce53f0a445ec6ad9f6d1266e96dec8f66
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SHA256
013d183433171067d14d79fb2288fa94689963e60482da638800f23834710e19
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SHA512
6cabc92097834307fb02f5687a19db6a93fe88f0c53cada037fe2f0eafb247ea7be249b460f53808a875c8febcf3460df235f8f4268370da92a11fb528dd0a10
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SSDEEP
3072:qh1KoemdZEhelYiU8aTTwmDOop3Q+Rt5IxMSke+mNOGW3emb4XBHTtOhu2qkWf3M:Doemd3lYiU5MmDOop3Q+RsxMSke+mNOW
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot7371892501:AAE6c_q-yLsVj82ZZEmMuRlQtTm95MBjCz0/sendMessage?chat_id=6750192797
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
RFQ00032035.PDF.scr.exedescription pid process target process PID 4104 created 3256 4104 RFQ00032035.PDF.scr.exe Explorer.EXE -
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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.
Processes:
flow ioc 35 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
RFQ00032035.PDF.scr.exedescription pid process target process PID 4104 set thread context of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.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.
Processes:
RFQ00032035.PDF.scr.exeMSBuild.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ00032035.PDF.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
RFQ00032035.PDF.scr.exeMSBuild.exepid process 4104 RFQ00032035.PDF.scr.exe 976 MSBuild.exe 976 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
RFQ00032035.PDF.scr.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 4104 RFQ00032035.PDF.scr.exe Token: SeDebugPrivilege 4104 RFQ00032035.PDF.scr.exe Token: SeDebugPrivilege 976 MSBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
RFQ00032035.PDF.scr.exedescription pid process target process PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe PID 4104 wrote to memory of 976 4104 RFQ00032035.PDF.scr.exe MSBuild.exe -
outlook_office_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3256
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C:\Users\Admin\AppData\Local\Temp\RFQ00032035.PDF.scr.exe"C:\Users\Admin\AppData\Local\Temp\RFQ00032035.PDF.scr.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4104
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:976
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