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Analysis
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max time kernel
84s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2024, 15:42
Static task
static1
Behavioral task
behavioral1
Sample
ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
Resource
win10v2004-20240802-en
General
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Target
ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe
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Size
5.4MB
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MD5
021d0c04cb4de2638dbd89de7625f9b7
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SHA1
054945dca5b06ea8cdb7f00571084d406a3ff95c
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SHA256
ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913
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SHA512
d20da669fc476ff5ba15fcb4e57d620b2b1769406c653abd647eeb67cf77d3dce087c97789a175de47dd15bdce72c5ea8d1e0df58939854c1b21ff5ad66a4357
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SSDEEP
98304:igaE6aTO7kajvPkgKBS58lw6CN5HY0qxG1drEqNXn6NyjeftKFPksryk:i0XTPK5B+cN1Y0qxMdRNXnXCtK7ek
Malware Config
Extracted
vidar
11
0076b6a02eb028dde461f6494f955b49
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 7 IoCs
resource yara_rule behavioral2/memory/2248-3-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-8-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-6-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-27-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-28-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-55-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 behavioral2/memory/2248-56-0x0000000000400000-0x0000000000B77000-memory.dmp family_vidar_v7 -
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 2324 set thread context of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 -
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 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.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 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2248 RegAsm.exe 2248 RegAsm.exe 2248 RegAsm.exe 2248 RegAsm.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2324 wrote to memory of 1384 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 83 PID 2324 wrote to memory of 1384 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 83 PID 2324 wrote to memory of 1384 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 83 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84 PID 2324 wrote to memory of 2248 2324 ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe"C:\Users\Admin\AppData\Local\Temp\ed59e78a2d10d6efec14c037d13d029d43a38f5a0ec1d441b3490e105a620913.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:1384
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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
- Suspicious behavior: EnumeratesProcesses
PID:2248
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1