Analysis
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max time kernel
70s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
02-12-2024 01:15
Static task
static1
Behavioral task
behavioral1
Sample
58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
Resource
win10v2004-20241007-en
General
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Target
58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
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Size
895KB
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MD5
57eaf38e20f6d661443eaeb9985068ab
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SHA1
c929f7c3474ec2c5fc8c76a8bfc2f4721876ec06
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SHA256
58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa
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SHA512
c79f5d835759a2c0bd9f9cd61e0247bdd585e8f744e69ac6165181cfd9f21806a3b4fbe515b71422b6a3c950ba586125454459ed016088712e22b6c3a5e4043f
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SSDEEP
12288:HNT+fj05JDHmQaRyWrXOBV9q2Rd7LdUHnjbxS2Kl60/IAsTre:tejyZGQaIVqQRcZSJl60AAsfe
Malware Config
Extracted
vipkeylogger
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 2896 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.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 2120 set thread context of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.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 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 2616 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 2896 powershell.exe 2616 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Token: SeDebugPrivilege 2616 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe Token: SeDebugPrivilege 2896 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2616 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2896 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 30 PID 2120 wrote to memory of 2896 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 30 PID 2120 wrote to memory of 2896 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 30 PID 2120 wrote to memory of 2896 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 30 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 PID 2120 wrote to memory of 2616 2120 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe 32 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2120 -
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\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2616
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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