Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
04-03-2022 15:30
Static task
static1
Behavioral task
behavioral1
Sample
f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe
Resource
win7-en-20211208
General
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Target
f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe
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Size
583KB
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MD5
77e772dfa88f23bc7f605bbd90e19f66
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SHA1
a49d3e5c72d8975a8233720eecd7ffcdd3225681
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SHA256
f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423
-
SHA512
ac8f5dfd06675f452d63ca80845de7adff5df189870a02b82ac711d93b652bee204eef19d15fed81fda66e5b6f7d7406c53999fe16e6b90684be07e98b84b2e7
Malware Config
Extracted
vidar
25.1
237
http://cuyahogarave.com/
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profile_id
237
Signatures
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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Vidar Stealer 2 IoCs
Processes:
resource yara_rule behavioral1/memory/520-58-0x00000000002D0000-0x0000000000359000-memory.dmp family_vidar behavioral1/memory/520-59-0x0000000000400000-0x0000000002E48000-memory.dmp family_vidar -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 7 ip-api.com -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exepid process 520 f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe 520 f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe 520 f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe 520 f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe"C:\Users\Admin\AppData\Local\Temp\f6cf6a83aff82ec967dde8839900098082c4abb964eec4dd569f8fcc7836c423.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/520-55-0x0000000002F08000-0x0000000002F60000-memory.dmpFilesize
352KB
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memory/520-56-0x0000000076731000-0x0000000076733000-memory.dmpFilesize
8KB
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memory/520-57-0x0000000002F08000-0x0000000002F60000-memory.dmpFilesize
352KB
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memory/520-58-0x00000000002D0000-0x0000000000359000-memory.dmpFilesize
548KB
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memory/520-59-0x0000000000400000-0x0000000002E48000-memory.dmpFilesize
42.3MB