Analysis
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max time kernel
64s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-10-2022 19:29
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
General
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Target
file.exe
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Size
348KB
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MD5
a9d2515d9de2febd7339b2882c6be83d
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SHA1
e8c260dd3c7ef1276b5a3434c1c8907c5653b609
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SHA256
53b9574dfc4abdd1b4ce4a65220e0a202cc4113a0d6dc0301f921dd9000e70fe
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SHA512
fc34ea186b14b0b1d59ee4d4c87f8058cec7dcf68eb16592ceb7b11a82bf974b1982516ce17d1acc4e81406e2d44c6accd7c0c0e77772e6ec836dc7cba87dd0a
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SSDEEP
6144:XT4o1txipVXbIR2HZ7Z4JT7N1pnJhKPdi0:X0o1txodbIR+7Z4p7LfhKPdr
Malware Config
Extracted
vidar
55.3
937
https://t.me/slivetalks
https://c.im/@xinibin420
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profile_id
937
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
file.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe -
Loads dropped DLL 3 IoCs
Processes:
file.exepid process 4764 file.exe 4764 file.exe 4764 file.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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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4424 4764 WerFault.exe file.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 file.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString file.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2336 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
file.exepid process 4764 file.exe 4764 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
file.execmd.exedescription pid process target process PID 4764 wrote to memory of 1912 4764 file.exe cmd.exe PID 4764 wrote to memory of 1912 4764 file.exe cmd.exe PID 4764 wrote to memory of 1912 4764 file.exe cmd.exe PID 1912 wrote to memory of 2336 1912 cmd.exe timeout.exe PID 1912 wrote to memory of 2336 1912 cmd.exe timeout.exe PID 1912 wrote to memory of 2336 1912 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.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 timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4764 -s 19242⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4764 -ip 47641⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
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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C:\ProgramData\sqlite3.dllFilesize
1.1MB
MD51f44d4d3087c2b202cf9c90ee9d04b0f
SHA1106a3ebc9e39ab6ddb3ff987efb6527c956f192d
SHA2564841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260
SHA512b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45
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memory/1912-138-0x0000000000000000-mapping.dmp
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memory/2336-139-0x0000000000000000-mapping.dmp
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memory/4764-132-0x0000000002CD7000-0x0000000002D02000-memory.dmpFilesize
172KB
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memory/4764-133-0x0000000002DC0000-0x0000000002E09000-memory.dmpFilesize
292KB
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memory/4764-134-0x0000000000400000-0x0000000002C44000-memory.dmpFilesize
40.3MB
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memory/4764-140-0x0000000002CD7000-0x0000000002D02000-memory.dmpFilesize
172KB
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memory/4764-141-0x0000000000400000-0x0000000002C44000-memory.dmpFilesize
40.3MB