Analysis
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max time kernel
107s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17-12-2024 03:58
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT RECEIPT_pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PAYMENT RECEIPT_pdf.exe
Resource
win10v2004-20241007-en
General
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Target
PAYMENT RECEIPT_pdf.exe
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Size
472KB
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MD5
6777212486b6ff2da8284ca567e8787b
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SHA1
7cf028ad1ccd53c81e9b1596f240115d886ab410
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SHA256
c8a51f63236d6bd55b39a715498e6bf36f9095ebcb9d882eb7837853162244e8
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SHA512
8dd911a32596ff329e92f99681bf098f73decd0c0e536391f6d027481eac4695bfbdb6d45aa73dcb204f83bc2f9ec2a13d1ae8a878d510e525188db4738142e9
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SSDEEP
12288:uVniZ8bCOWuvgsIhHdPKgxi5+FhPWs8jyFe2:uBiUcsunhPlFe
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
jhxkgroup.online - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@ - Email To:
[email protected]
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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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT RECEIPT_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT RECEIPT_pdf.exe Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT RECEIPT_pdf.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.
flow ioc 8 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3792 set thread context of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 -
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 PAYMENT RECEIPT_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PAYMENT RECEIPT_pdf.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1632 PAYMENT RECEIPT_pdf.exe 1632 PAYMENT RECEIPT_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1632 PAYMENT RECEIPT_pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 PID 3792 wrote to memory of 1632 3792 PAYMENT RECEIPT_pdf.exe 85 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT RECEIPT_pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PAYMENT RECEIPT_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.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:1632
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