Analysis
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max time kernel
87s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
08-10-2022 11:04
Behavioral task
behavioral1
Sample
Setup.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
Setup.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
langs/Hungarian.ps1
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
langs/Hungarian.ps1
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
langs/Korean.ps1
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
langs/Korean.ps1
Resource
win10v2004-20220901-en
General
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Target
Setup.exe
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Size
336.3MB
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MD5
6fb00aa92b50c3335d97f0eff9dce317
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SHA1
6def1fe28c81d296043b514bbd8487750f621e62
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SHA256
bc8480de9121f5f82282491439be28f6bef9db89ba29bd0a494fbdca28e3c9fe
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SHA512
6b6ff9ad57fed121499a72b8c92a7d9e1e55b487f0e35d929a0a8e4d1c2766e97b0b949abd64d75808feecf63f80ce9df1f2315ceab1e9278e55319b43b853f3
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SSDEEP
98304:fkf5UTQx0P8kiCuc943jQZs25i81vmjxjTV1bQCSTy2qy8NMMltUrqpNW:cCPpidc94edlvmjBxtqTykIRl2rqpN
Malware Config
Extracted
vidar
54.9
1281
https://t.me/dsjdsnxshjx
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profile_id
1281
Signatures
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Processes:
resource yara_rule behavioral2/memory/4000-132-0x0000000000550000-0x0000000000DD3000-memory.dmp vmprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Setup.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation Setup.exe -
Loads dropped DLL 2 IoCs
Processes:
Setup.exepid process 4000 Setup.exe 4000 Setup.exe -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Setup.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Setup.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Setup.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 312 timeout.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 3496 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Setup.exepid process 4000 Setup.exe 4000 Setup.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 3496 taskkill.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Setup.execmd.exedescription pid process target process PID 4000 wrote to memory of 3788 4000 Setup.exe cmd.exe PID 4000 wrote to memory of 3788 4000 Setup.exe cmd.exe PID 4000 wrote to memory of 3788 4000 Setup.exe cmd.exe PID 3788 wrote to memory of 3496 3788 cmd.exe taskkill.exe PID 3788 wrote to memory of 3496 3788 cmd.exe taskkill.exe PID 3788 wrote to memory of 3496 3788 cmd.exe taskkill.exe PID 3788 wrote to memory of 312 3788 cmd.exe timeout.exe PID 3788 wrote to memory of 312 3788 cmd.exe timeout.exe PID 3788 wrote to memory of 312 3788 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im Setup.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Setup.exe" & del C:\PrograData\*.dll & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im Setup.exe /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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C:\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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memory/312-159-0x0000000000000000-mapping.dmp
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memory/3496-158-0x0000000000000000-mapping.dmp
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memory/3788-157-0x0000000000000000-mapping.dmp
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memory/4000-132-0x0000000000550000-0x0000000000DD3000-memory.dmpFilesize
8.5MB
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memory/4000-137-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB