Analysis
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max time kernel
90s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2022 04:06
Static task
static1
Behavioral task
behavioral1
Sample
b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe
Resource
win7-20220718-en
General
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Target
b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe
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Size
621KB
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MD5
62c8ca06d22f8f7e6a530bfa5e273a49
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SHA1
b2d1fe28c792ffebd2566270fb2e70e48ad43491
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SHA256
b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7
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SHA512
cbfa69c84b0f318ba6eac13df48bd3d3a8e776b7f6dbb74f74a4bcd40baa516777d8b3f4db7a542b539dc80991e71aac78ef277e6c1e784418bd25cb47daba12
Malware Config
Extracted
vidar
9.4
83
http://prohomedevelopers.com/
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profile_id
83
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 behavioral2/memory/4688-132-0x0000000000400000-0x0000000005303000-memory.dmp family_vidar behavioral2/memory/4688-134-0x0000000000400000-0x0000000005303000-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:
b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exepid process 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe 4688 b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.exe"C:\Users\Admin\AppData\Local\Temp\b8da124e50d54e5b84d5823a8736638bbec4becff75527531891c250cbfcb0a7.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/4688-131-0x0000000006F70000-0x0000000007070000-memory.dmpFilesize
1024KB
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memory/4688-132-0x0000000000400000-0x0000000005303000-memory.dmpFilesize
79.0MB
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memory/4688-133-0x0000000006F70000-0x0000000007070000-memory.dmpFilesize
1024KB
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memory/4688-134-0x0000000000400000-0x0000000005303000-memory.dmpFilesize
79.0MB