Analysis
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max time kernel
127s -
max time network
124s -
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 03:15
Static task
static1
Behavioral task
behavioral1
Sample
cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe
Resource
win7-20220718-en
General
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Target
cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe
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Size
939KB
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MD5
c83d9e6e41902a70eb1b8f188cc8eb59
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SHA1
a9827e9089a5011099d5755f5c9d6ef9afa2247e
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SHA256
cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130
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SHA512
dd3d54830e0131f968d3a7e4e9e285aea46688d6b509be3b715c2a8ba728fb3805e52247d0b67b622f3cf2f3c3531eac9a5339bd7525761db85cb94db54fe6fd
Malware Config
Extracted
vidar
15.5
533
http://steerdemens.com/
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profile_id
533
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 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4248-131-0x0000000003CC0000-0x0000000003D4B000-memory.dmp family_vidar behavioral2/memory/4248-132-0x0000000000400000-0x0000000003640000-memory.dmp family_vidar behavioral2/memory/4248-134-0x0000000000400000-0x0000000003640000-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 -
Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4992 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 1512 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4924 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 3532 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4296 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 1044 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 848 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 2712 4248 WerFault.exe cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exepid process 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe 4248 cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe"C:\Users\Admin\AppData\Local\Temp\cd1ce709fabcd8312470553e6c9a78336631c0c2cdcb7489dfbd8f5bd3ce5130.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 7562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 7642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 7642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 7882⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 9202⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 9162⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 12802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 7802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4248 -ip 42481⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4248 -ip 42481⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4248-130-0x00000000038F9000-0x0000000003951000-memory.dmpFilesize
352KB
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memory/4248-131-0x0000000003CC0000-0x0000000003D4B000-memory.dmpFilesize
556KB
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memory/4248-132-0x0000000000400000-0x0000000003640000-memory.dmpFilesize
50.2MB
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memory/4248-133-0x00000000038F9000-0x0000000003951000-memory.dmpFilesize
352KB
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memory/4248-134-0x0000000000400000-0x0000000003640000-memory.dmpFilesize
50.2MB