Analysis
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max time kernel
109s -
max time network
112s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2024 06:05
Static task
static1
Behavioral task
behavioral1
Sample
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
Resource
win10v2004-20241007-en
General
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Target
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe
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Size
571KB
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MD5
7f7532b84fb132083db98ad681bec486
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SHA1
b07368d9b509e2c100960c6a496c78ebb6821dfc
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SHA256
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617
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SHA512
951f290cbe3ea998001cebf9875a881f3695c3f7b46904cf1fdc8c9653071e1f7f57dec0730ceaeee2536b2dd93fe47dfbe13e861727a6c089dc67fd4392c1a7
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SSDEEP
12288:jByivJ6LrcsUWG/97HTnZPdx7EsRQ+cJ3F/JXyiqBcw+4S:jhJ6nc97bTxQ+cJLXyLBd
Malware Config
Extracted
vidar
11
d206c6aab5f4bd2208ca601fe157f31b
https://t.me/maslengdsa
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 15 IoCs
Processes:
resource yara_rule behavioral2/memory/2936-1-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-3-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-4-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-16-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-17-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-27-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-28-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-36-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-37-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-53-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-54-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-82-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-83-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-90-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 behavioral2/memory/2936-91-0x0000000000400000-0x0000000000676000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
MSBuild.exepid Process 2936 MSBuild.exe 2936 MSBuild.exe -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exedescription pid Process procid_target PID 2980 set thread context of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3024 2980 WerFault.exe 82 -
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.
Processes:
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exeMSBuild.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
MSBuild.exepid Process 2936 MSBuild.exe 2936 MSBuild.exe 2936 MSBuild.exe 2936 MSBuild.exe 2936 MSBuild.exe 2936 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid Process 2936 MSBuild.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exedescription pid Process procid_target PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84 PID 2980 wrote to memory of 2936 2980 072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe"C:\Users\Admin\AppData\Local\Temp\072ad2a51c4cb53e71d7b0ed455503f8f9a0ae233cb7e52a59b1c4e899f70617.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 2562⤵
- Program crash
PID:3024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2980 -ip 29801⤵PID:3944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571