Analysis
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max time kernel
122s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/02/2025, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
BankTransferForm.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
BankTransferForm.exe
Resource
win10v2004-20250217-en
General
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Target
BankTransferForm.exe
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Size
1.0MB
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MD5
2f8a0052d88d31c435d71cd69f930f02
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SHA1
993258bc6b7f24bf6cddb3c2576d2f5e2d113df2
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SHA256
3c00e14ee895971b1e91ad04aebc4970b9526b79ee8413c900acbb9b4ae702b8
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SHA512
272c5567178a68e7b5c974318d248d75149908b98434ca6ea3f943b05bb6724bde012343728b0d58e994303dfd736fed1d12be5188a930c63bef248dc4e17899
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SSDEEP
12288:NuJeZjC/WM6HHmtLgXcyMhiHig8fAigjPUxPiu2hqdb8ilACux5:wJeM/WTHGJgXug86PU9iFhqdb8iyz
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.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 3032 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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BankTransferForm.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BankTransferForm.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BankTransferForm.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 2512 set thread context of 1572 2512 BankTransferForm.exe 33 -
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 BankTransferForm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language BankTransferForm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1572 BankTransferForm.exe 3032 powershell.exe 1572 BankTransferForm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1572 BankTransferForm.exe Token: SeDebugPrivilege 3032 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2512 wrote to memory of 3032 2512 BankTransferForm.exe 31 PID 2512 wrote to memory of 3032 2512 BankTransferForm.exe 31 PID 2512 wrote to memory of 3032 2512 BankTransferForm.exe 31 PID 2512 wrote to memory of 3032 2512 BankTransferForm.exe 31 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 PID 2512 wrote to memory of 1572 2512 BankTransferForm.exe 33 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BankTransferForm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 BankTransferForm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe"C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512 -
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\BankTransferForm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe"C:\Users\Admin\AppData\Local\Temp\BankTransferForm.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:1572
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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