Analysis
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max time kernel
118s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01/11/2024, 04:59
Static task
static1
Behavioral task
behavioral1
Sample
Payment Receipt.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Payment Receipt.exe
Resource
win10v2004-20241007-en
General
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Target
Payment Receipt.exe
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Size
704KB
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MD5
cc7ce22e26ca78fd991a33897ca9abf5
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SHA1
9fc92ee7bd2bd5ddfd3da5800b2e6e6f5ea4a2fc
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SHA256
80198d34743fba1b648e8d5d4cc500b7f1a5a1d0b960d7ff36cb9ab24ef8f4be
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SHA512
284f1d02a8ff8269c5a624436c48af4dbb72e483898a2aa5b6bd862f442977be2cf9fab68987bd3afe02dbf36f5bbec3f85e94ce7a169691b66498af720bfc1a
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SSDEEP
12288:NMfzu2V7V0D9mqe2vgSumQSX4x98Q9utslzHjNrVswIxoa0B9:Nsj69f38RxiQRHpriweg9
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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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1688 powershell.exe -
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt.exe Key opened \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Payment Receipt.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2684 set thread context of 2784 2684 Payment Receipt.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 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.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Payment Receipt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2684 Payment Receipt.exe 2684 Payment Receipt.exe 2684 Payment Receipt.exe 2784 Payment Receipt.exe 1688 powershell.exe 2784 Payment Receipt.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2684 Payment Receipt.exe Token: SeDebugPrivilege 2784 Payment Receipt.exe Token: SeDebugPrivilege 1688 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2684 wrote to memory of 1688 2684 Payment Receipt.exe 31 PID 2684 wrote to memory of 1688 2684 Payment Receipt.exe 31 PID 2684 wrote to memory of 1688 2684 Payment Receipt.exe 31 PID 2684 wrote to memory of 1688 2684 Payment Receipt.exe 31 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 PID 2684 wrote to memory of 2784 2684 Payment Receipt.exe 32 -
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 Payment Receipt.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 Payment Receipt.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe"C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Users\Admin\AppData\Local\Temp\Payment Receipt.exe"C:\Users\Admin\AppData\Local\Temp\Payment Receipt.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:2784
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2