Analysis
-
max time kernel
104s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 13:30
Static task
static1
Behavioral task
behavioral1
Sample
Receipt Copy001pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Receipt Copy001pdf.exe
Resource
win10v2004-20241007-en
General
-
Target
Receipt Copy001pdf.exe
-
Size
993KB
-
MD5
5b15cda50a751110bb9c7f1fe8eb3b2f
-
SHA1
62547ae272eb9be69ad5fd565782dc569b453ec7
-
SHA256
aaee9ff9746646836f3538beea0c59fb1c83ee095023d09899238ae732bd190e
-
SHA512
d1a1157df7a54ebde01903031224dfef6cbfc548ff853cec1edfe85d1abb5472e7128e1bc1c4c0fcd8f63fb2516655780f1bdbfa2721eada862f6e8dbbfe831f
-
SSDEEP
24576:yAHnh+eWsN3skA4RV1Hom2KXFmIaMfRIHnJ1RvKr3m5:1h+ZkldoPK1XaMGHnJ1srs
Malware Config
Extracted
Protocol: smtp- Host:
mail.npmmachinery.com - Port:
587 - Username:
[email protected] - Password:
^@SC}ST5oCG-
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.npmmachinery.com - Port:
587 - Username:
[email protected] - Password:
^@SC}ST5oCG- - Email To:
[email protected]
Signatures
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
Vipkeylogger family
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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 8 checkip.dyndns.org 13 reallyfreegeoip.org 15 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3160 set thread context of 2316 3160 Receipt Copy001pdf.exe 82 -
Program crash 1 IoCs
pid pid_target Process procid_target 4572 3160 WerFault.exe 81 -
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 Receipt Copy001pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2316 RegSvcs.exe 2316 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3160 Receipt Copy001pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2316 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3160 Receipt Copy001pdf.exe 3160 Receipt Copy001pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 3160 Receipt Copy001pdf.exe 3160 Receipt Copy001pdf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3160 wrote to memory of 2316 3160 Receipt Copy001pdf.exe 82 PID 3160 wrote to memory of 2316 3160 Receipt Copy001pdf.exe 82 PID 3160 wrote to memory of 2316 3160 Receipt Copy001pdf.exe 82 PID 3160 wrote to memory of 2316 3160 Receipt Copy001pdf.exe 82 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Receipt Copy001pdf.exe"C:\Users\Admin\AppData\Local\Temp\Receipt Copy001pdf.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:3160 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Receipt Copy001pdf.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:2316
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 6842⤵
- Program crash
PID:4572
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3160 -ip 31601⤵PID:3324