Analysis
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max time kernel
134s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
07-06-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe
Resource
win7-20240221-en
General
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Target
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe
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Size
3.1MB
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MD5
50be5d01f679a874802ddaac7c5f0169
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SHA1
d8e512434a94b0e123d1b7e0f4f4044252d7f238
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SHA256
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f
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SHA512
24e252b66ffe35845a03a5553096a018f91d6b3d0a36ba3aa0afab9e006dea35a14075e860b34a7fec9b7d34fd7a8e0516d43d9306afd70ee9a882fd27634f37
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SSDEEP
98304:yrvT3E7GFI/apsT+9w0+xobK8U9Ve7MpSfwYfiJkju9wxZmcp4/uV8rSBgXmVVKJ:i3E7GFI/apsT+9w0+xobK8U9Ve7MpSfk
Malware Config
Extracted
stealc
Extracted
vidar
https://t.me/r8z0l
https://steamcommunity.com/profiles/76561199698764354
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 5 IoCs
Processes:
resource yara_rule behavioral2/memory/3380-67-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-72-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-69-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-87-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/3380-118-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 -
Downloads MZ/PE file
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.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
Processes:
resource yara_rule behavioral2/memory/512-1-0x0000000000FB0000-0x00000000012D8000-memory.dmp net_reactor -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exedescription pid process target process PID 512 set thread context of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
Processes:
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exeMSBuild.exepid process 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe 3380 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exedescription pid process Token: SeDebugPrivilege 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 3380 MSBuild.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exedescription pid process target process PID 512 wrote to memory of 2604 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 2604 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 2604 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe PID 512 wrote to memory of 3380 512 d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe"C:\Users\Admin\AppData\Local\Temp\d83b46ddb754b838983651b38bcd55ccdd09cae1e79ea9c0e8b3d0c01e2db59f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:512 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵PID:2604
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3380
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