Analysis
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max time kernel
47s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
26-10-2022 07:24
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
General
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Target
file.exe
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Size
331KB
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MD5
09551ab38f2e8cf814cf67f5d7a5f8e4
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SHA1
9f0df37c979517c5c73c62f082ab6ecf87045e17
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SHA256
1beb50ab8de7ec33aec7deb5365fbebce3a91bfe9cf31387a5bf326ace08d48b
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SHA512
ee03f58b9a12e34735a0cf98ab4dd8cdc5f8006b657c6077aab457d6f7a585cd9bbe09309060d39764320122ecda85978dd8c4c5d6658f9089c4aeebab97614b
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SSDEEP
6144:Bnx6fMB7iRLpdZQI9LRdhA4Yz2APhwhlQGruTp10B:Bnx6f4703ZQIBRdhAsAPhwhjSTLc
Malware Config
Extracted
vidar
55.2
937
https://t.me/slivetalks
https://c.im/@xinibin420
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profile_id
937
Signatures
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Deletes itself 1 IoCs
Processes:
cmd.exepid process 1400 cmd.exe -
Loads dropped DLL 3 IoCs
Processes:
file.exepid process 1744 file.exe 1744 file.exe 1744 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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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 1172 timeout.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
file.exepid process 1744 file.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
file.execmd.exedescription pid process target process PID 1744 wrote to memory of 1400 1744 file.exe cmd.exe PID 1744 wrote to memory of 1400 1744 file.exe cmd.exe PID 1744 wrote to memory of 1400 1744 file.exe cmd.exe PID 1744 wrote to memory of 1400 1744 file.exe cmd.exe PID 1400 wrote to memory of 1172 1400 cmd.exe timeout.exe PID 1400 wrote to memory of 1172 1400 cmd.exe timeout.exe PID 1400 wrote to memory of 1172 1400 cmd.exe timeout.exe PID 1400 wrote to memory of 1172 1400 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⤵
- 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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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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
Loading Replay Monitor...
Downloads
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\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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\ProgramData\sqlite3.dllFilesize
1.1MB
MD51f44d4d3087c2b202cf9c90ee9d04b0f
SHA1106a3ebc9e39ab6ddb3ff987efb6527c956f192d
SHA2564841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260
SHA512b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45
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memory/1172-64-0x0000000000000000-mapping.dmp
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memory/1400-61-0x0000000000000000-mapping.dmp
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memory/1744-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmpFilesize
8KB
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memory/1744-55-0x00000000006BB000-0x00000000006E7000-memory.dmpFilesize
176KB
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memory/1744-56-0x0000000000240000-0x0000000000289000-memory.dmpFilesize
292KB
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memory/1744-57-0x0000000000400000-0x00000000005B0000-memory.dmpFilesize
1.7MB
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memory/1744-62-0x00000000006BB000-0x00000000006E7000-memory.dmpFilesize
176KB
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memory/1744-63-0x0000000000400000-0x00000000005B0000-memory.dmpFilesize
1.7MB