Analysis
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max time kernel
181s -
max time network
205s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
12-07-2022 07:59
Static task
static1
Behavioral task
behavioral1
Sample
4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe
Resource
win7-20220414-en
General
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Target
4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe
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Size
617KB
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MD5
ef3ab9de902f949fa844414a5617e480
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SHA1
201743e13f5f000bcaeef8f2fbb6b3112a656f65
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SHA256
4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b
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SHA512
c8ff6a816c74fc52756a6a7cdaefa7bd4f201a415ba567eb35629039d526fcb08e002532877501eb0c8b853d78b512aec521cb7c1c893ce0c501079b1b63c13c
Malware Config
Extracted
vidar
5
95
http://kolobkoproms.ug/
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profile_id
95
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Vidar log file 1 IoCs
Detects a log file produced by Vidar.
yara_rule vidar_log_file -
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 1 IoCs
resource yara_rule behavioral2/memory/3160-131-0x0000000000400000-0x000000000049E000-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.
flow ioc 17 ip-api.com -
Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe 3160 4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe"C:\Users\Admin\AppData\Local\Temp\4c0641e616a6b1d979110650808f4394b6315d5d747f860bc00b9e433c82816b.exe"1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3160