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Analysis
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max time kernel
151s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
22/10/2023, 15:23
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe
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Size
152KB
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MD5
48e08a227d24bbeaaaec6214d78a9be0
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SHA1
e38f028fd1842a8efb44fcf38f219755bc956ba1
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SHA256
662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769
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SHA512
6f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508
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SSDEEP
3072:MEmcbqLl7DzEUGuoB+AKt0S/sCtCkSkBY:MEQLl7nEeZAW/saS
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" juuvaif.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe -
Executes dropped EXE 2 IoCs
pid Process 2360 juuvaif.exe 4268 juuvaif.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /n" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /u" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /e" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /z" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /c" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /x" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /h" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /b" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /o" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /d" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /a" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /y" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /w" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /v" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /r" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /k" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /i" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /i" NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /s" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /j" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /q" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /p" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /g" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /t" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /l" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /m" juuvaif.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\juuvaif = "C:\\Users\\Admin\\juuvaif.exe /f" juuvaif.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum juuvaif.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 juuvaif.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf juuvaif.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4408 set thread context of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 2360 set thread context of 4268 2360 juuvaif.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe 4268 juuvaif.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 2360 juuvaif.exe 4268 juuvaif.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 4408 wrote to memory of 3332 4408 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 89 PID 3332 wrote to memory of 2360 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 91 PID 3332 wrote to memory of 2360 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 91 PID 3332 wrote to memory of 2360 3332 NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe 91 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92 PID 2360 wrote to memory of 4268 2360 juuvaif.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Users\Admin\AppData\Local\Temp\NEAS.48e08a227d24bbeaaaec6214d78a9be0_JC.exe722⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3332 -
C:\Users\Admin\juuvaif.exe"C:\Users\Admin\juuvaif.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Users\Admin\juuvaif.exe724⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4268
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152KB
MD59b76931643659cb212f166d9e3962dd7
SHA189553d2b87ef6e885d1ad706b6eef8b86dc3503b
SHA2562433fc70b2035111ba8ff9d2692d500fd8d3697f284a1a7b283d426d06171920
SHA51233719d287e3cb66c9c08730a7213f617fcfbb628edab528e93c1cdf5de4a10a5132c05fa3c18f6db2925a0b9aafdca420289be45b27e4474e3caa40cc1fa82bb
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Filesize
152KB
MD55542ca8d18de0e04b461221964c70162
SHA157673c493a93f81abc40741593b2a5479c1ddbd1
SHA256500d4fc0ae0d5deec09616d1ac926363936e790307345fc3de0d2b4a7a244380
SHA512484b5e8e2f1eb1fe7cdc39c2bfb5d5e81f82cabdde32b5a204add797041065079bb6e059c8f0dd1e8ccd4dae4fec130d88edefa1fe81a2544644e8508c90979f
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Filesize
152KB
MD548e08a227d24bbeaaaec6214d78a9be0
SHA1e38f028fd1842a8efb44fcf38f219755bc956ba1
SHA256662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769
SHA5126f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508
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Filesize
152KB
MD548e08a227d24bbeaaaec6214d78a9be0
SHA1e38f028fd1842a8efb44fcf38f219755bc956ba1
SHA256662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769
SHA5126f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508
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Filesize
152KB
MD548e08a227d24bbeaaaec6214d78a9be0
SHA1e38f028fd1842a8efb44fcf38f219755bc956ba1
SHA256662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769
SHA5126f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508
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Filesize
152KB
MD548e08a227d24bbeaaaec6214d78a9be0
SHA1e38f028fd1842a8efb44fcf38f219755bc956ba1
SHA256662ad778857ad12c547a5d33656b46b2533d3ce9d1d48c3edd6db18efa622769
SHA5126f754f4222ecf33a22225f29bfd08439c7561f2aff4e16b6e8c64893ae51bdc19fcfd727532d751a27894815a29cc1d5404f0cca06513365ef21d5b54ad56508