Analysis
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max time kernel
122s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
20/02/2025, 07:47
Static task
static1
Behavioral task
behavioral1
Sample
Bank Transfer Form.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bank Transfer Form.exe
Resource
win10v2004-20250217-en
General
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Target
Bank Transfer Form.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 4684 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Control Panel\International\Geo\Nation Bank Transfer Form.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-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bank Transfer Form.exe Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bank Transfer Form.exe Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bank Transfer Form.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 17 checkip.dyndns.org 19 reallyfreegeoip.org 20 reallyfreegeoip.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 3824 896 Bank Transfer Form.exe 91 -
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 Bank Transfer Form.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Bank Transfer Form.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3824 Bank Transfer Form.exe 4684 powershell.exe 4684 powershell.exe 3824 Bank Transfer Form.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3824 Bank Transfer Form.exe Token: SeDebugPrivilege 4684 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 896 wrote to memory of 4684 896 Bank Transfer Form.exe 89 PID 896 wrote to memory of 4684 896 Bank Transfer Form.exe 89 PID 896 wrote to memory of 4684 896 Bank Transfer Form.exe 89 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 PID 896 wrote to memory of 3824 896 Bank Transfer Form.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bank Transfer Form.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1479699283-3000499823-2337359760-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Bank Transfer Form.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe"C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:896 -
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\Bank Transfer Form.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4684
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C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.exe"C:\Users\Admin\AppData\Local\Temp\Bank Transfer Form.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:3824
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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
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5de3d9ab4d240ea92574fb9f15d887599
SHA1a34a302862495c59af59e2b3ab15e23625de2f77
SHA256d6eeab29d2390946ef726c2bb234f820296afad15aa8c9b34078150d63c3eb63
SHA5121f5a46df6ff38e6dbc415e405d5d3f07d840a219f0e0c5027aac9bfc5e51badbfb4c6ce96e6ee0f2d5ebd59d46902d087cc572fe21bc0cd849653df627b49492
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82