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Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/10/2024, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe
Resource
win10v2004-20240802-en
General
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Target
13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe
-
Size
404KB
-
MD5
10e555691e5bd8608d3afde0c81a61e4
-
SHA1
37480fa81dca9c7fa109820b0b86ed3ec7258b04
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SHA256
13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc
-
SHA512
e4280c7b1c114b5b3dba3caa976604c77e69a782ecbff6cdb4c21653016878f90c8bcebd336dd288721ec38f464cd2a78e1bfe0b886e0bcb8a5fd610836df291
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SSDEEP
6144:kyt602OmYh5I7KU9QPrVI5IgQ0jolIMaszHQTh1u1KjjY9tbCDdBNkioEO:kdt7YMOU2hkflq3jHihamE912kioEO
Malware Config
Extracted
vidar
11
3c2b9e69b31bab816bc6aaf265216d69
https://t.me/jamsemlg
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0
Signatures
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Detect Vidar Stealer 10 IoCs
resource yara_rule behavioral1/memory/2688-16-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-13-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-11-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-7-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-6-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-8-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-152-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-171-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-201-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral1/memory/2688-220-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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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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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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1968 set thread context of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.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 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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 RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2688 RegAsm.exe 2688 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31 PID 1968 wrote to memory of 2688 1968 13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe"C:\Users\Admin\AppData\Local\Temp\13c42c85bbeaac50ca5cebc9433e1b12c7f2072a833f60c54d59375993af2ecc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2688
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5b6f06124666ab0f6c59ffc92ef9bdbf8
SHA12ac14d9361c1b1accb55f1517d6d65f8c0a25cd2
SHA2563255b685dd6f657e7aba3b6dec8977d111afdc73e17e38c27875ab75c9482bb1
SHA51207c69081339a0ee7081f6bf7d7a46b2c708ac4dd88607ab55d2d7e533822333ef8463d88ab0556e308ecda7153b1e6de6bb66530d3ba6c2dcb2b3f5fb8003a70
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b