Analysis
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max time kernel
122s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/11/2024, 05:36
Static task
static1
Behavioral task
behavioral1
Sample
b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
Resource
win10v2004-20241007-en
General
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Target
b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
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Size
816KB
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MD5
95f2e81d599148bb80559e284212fbfe
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SHA1
7765d112198d56af8536540862d763dc65723dfe
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SHA256
b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c
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SHA512
59eb4c56c4519641e2dd6d8b426a31f01b9ce2532965d1c16200abd2d28d61dfd8b7ddc74959941b07b40117d97854bcc68b65ae067118e913b5e4c1c3b64897
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SSDEEP
24576:d9Bo7go59/xx2WLHk9Erz5NkXwlml2rhH3z66iR:BGlxxnE9efkXwlml2dDZiR
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.catanhoinvestments.com - Port:
587 - Username:
[email protected] - Password:
RPgi34L1yoc - 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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2284 powershell.exe 2808 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 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.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 1852 set thread context of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 -
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 5 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 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2856 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 2608 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 2808 powershell.exe 2284 powershell.exe 2608 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe Token: SeDebugPrivilege 2608 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe Token: SeDebugPrivilege 2808 powershell.exe Token: SeDebugPrivilege 2284 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1852 wrote to memory of 2284 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 31 PID 1852 wrote to memory of 2284 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 31 PID 1852 wrote to memory of 2284 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 31 PID 1852 wrote to memory of 2284 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 31 PID 1852 wrote to memory of 2808 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 33 PID 1852 wrote to memory of 2808 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 33 PID 1852 wrote to memory of 2808 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 33 PID 1852 wrote to memory of 2808 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 33 PID 1852 wrote to memory of 2856 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 34 PID 1852 wrote to memory of 2856 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 34 PID 1852 wrote to memory of 2856 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 34 PID 1852 wrote to memory of 2856 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 34 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 PID 1852 wrote to memory of 2608 1852 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe 37 -
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 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.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 b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852 -
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\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FDhDkkovH.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2808
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FDhDkkovH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp449E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2856
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C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.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:2608
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential 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
MD5d7f5833db1412af38ba5016e0eb16ec9
SHA1ab49fdb40542f7b78b4bedd10cf3221221559d5c
SHA2566b7287b5187a22a144f228335284481dd5b5e2dd552bccfdb762ec97ae7b121c
SHA5120c0966f8cb667af2f0a4f5872d8e0509eaf754937846e5c41d6e031ec77b0e2a929e7621a9aa39ea21d4f9f0599ec3fe539f67f35231eeec7f382e5370a68178
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\P6J0X8UYV4HRPH3ESQUY.temp
Filesize7KB
MD5bdb0918f29f1d82e937e1a61e1a0cb58
SHA1ba99e60e1f08d87719d2ea83d46dbdd8b01f145c
SHA2564f906d6f52159ac33541357fca5f8d014f9539a430856c1eb97295512b6044a9
SHA512c1d418105c90e795ae3e0e0bf2194ac83b766975ddfc29737f7389830093df07156a003ac5bf19b753b4543bbf2bfbc2f8758c24110394d3b4f713a0bfac336f