Analysis
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max time kernel
118s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/03/2025, 02:36
Static task
static1
Behavioral task
behavioral1
Sample
Payroll List.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payroll List.exe
Resource
win10v2004-20250314-en
General
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Target
Payroll List.exe
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Size
1.0MB
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MD5
13c442d8b8f4b6039b92e9beabaed96c
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SHA1
00e5f09a57064338f1db88298f31c50d853aca9e
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SHA256
aa21fca827d1d73cfc4f1153945a1534a66240e396ba3f9b361b6bd80aa31023
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SHA512
f44f42b5847530e647cf556fa2f014bd163d2657185b3ea6819fa95c2dae4a2ac7abaf4ca6f43ef259c6f1de15e9c4c87b0a7ba015aa6c07eb17e7b00544b97c
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SSDEEP
24576:Du6J33O0c+JY5UZ+XC0kGso6Faj1bcFSonuDiWY:Nu0c++OCvkGs9FapbbocY
Malware Config
Extracted
vipkeylogger
https://api.telegram.org/bot8089350393:AAGtBAwUH6SGnhWUaMF4LZ_wf4asnjV0ZLY/sendMessage?chat_id=7839951264
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 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 2108 set thread context of 2532 2108 Payroll List.exe 30 -
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 Payroll List.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2532 RegSvcs.exe 2532 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2108 Payroll List.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2532 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2108 Payroll List.exe 2108 Payroll List.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 2108 Payroll List.exe 2108 Payroll List.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 PID 2108 wrote to memory of 2532 2108 Payroll List.exe 30 -
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\Payroll List.exe"C:\Users\Admin\AppData\Local\Temp\Payroll List.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Payroll List.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:2532
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