Analysis
- max time kernel
105s - max time network
107s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system - submitted
05/09/2025, 14:02
Behavioral task
behavioral1
Sample
7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe
Resource
win10v2004-20250619-en
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe
Resource
win11-20250619-en
20 signatures
150 seconds
General
- Target 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe
- Size 525KB
- Sample250905-rckbps1set
- SHA256 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8
- MD5 d4a9ed39b93bafab5caea116ad527537
- SHA1 6ae1a9be3bd240aebfcdf9c56db1aa9a9abf0948
- SHA512 1688a4f979988ddbaaee680ad24a56d1b2ee3131774c6a76e919fe683dc02c37bdcd1045cb2903fbb94ba91c0f7eca0956ca29d273079528550cb8283db86ecf
- SSDEEP 12288:Yz7hU5I5yuNHIgzSFKxWltRohBfSTso93UM7jPn+KMiCD:Yf+iN57Gtene3HXnYh
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
vipkeylogger
Credentials
-
Protocol
smtp
-
Host
mail.yeslogistics.co.id
-
Port
587
-
Username
-
Password
surabayayes2022
-
Email to
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" RegSvcs.exe - VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- Disables Task Manager via registry modification
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\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 1 checkip.dyndns.org 1 reallyfreegeoip.org 4 reallyfreegeoip.org - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4580-18-0x0000000000240000-0x0000000000373000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4580 set thread context of 3752 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 78 -
resource yara_rule behavioral2/memory/4580-0-0x0000000000240000-0x0000000000373000-memory.dmp upx behavioral2/memory/4580-18-0x0000000000240000-0x0000000000373000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 5436 4580 WerFault.exe 77 - 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 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3752 RegSvcs.exe 3752 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3752 RegSvcs.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4580 wrote to memory of 3752 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 78 PID 4580 wrote to memory of 3752 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 78 PID 4580 wrote to memory of 3752 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 78 PID 4580 wrote to memory of 3752 4580 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe 78 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3972667009-3658015838-2693993929-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe"C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.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:4580 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3752
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 7242⤵
- Program crash
PID:5436
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4580 -ip 45801⤵PID:1764