Analysis
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max time kernel
110s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 11:26
Static task
static1
Behavioral task
behavioral1
Sample
encrypted.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
encrypted.exe
Resource
win10v2004-20240802-en
General
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Target
encrypted.exe
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Size
2.8MB
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MD5
f01725be4af17d500bf5121780b3d304
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SHA1
4ba42ced4db6a5173ece265424b26b32ececbbd6
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SHA256
a6d95538d1d2f4031e10ff3a1258400a3f471fe64e14ff2dc9808c28334d0cea
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SHA512
68d39578c162f03c64617b82d8c242afb8278fa31476e116a29c83138fc804d75aefffe7e956ba8ffe6d5b2253f83d704212a166df1dc57e58b502fcdfdbed26
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SSDEEP
24576:Hp+4uTV+nMmbk1UU/ERo0trw2rIxNFsT8SYnt23pDoFL5I1MnU0jaShPkmZLirW7:HpCTVtsRo0NwggzLjUaPIWzea
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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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
Processes:
encrypted.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 encrypted.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 encrypted.exe Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 encrypted.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.
Processes:
flow ioc 8 checkip.dyndns.org -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
encrypted.exepid process 4420 encrypted.exe 4420 encrypted.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
encrypted.exedescription pid process Token: SeDebugPrivilege 4420 encrypted.exe -
outlook_office_path 1 IoCs
Processes:
encrypted.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 encrypted.exe -
outlook_win_path 1 IoCs
Processes:
encrypted.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 encrypted.exe