Analysis
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max time kernel
174s -
max time network
200s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe
Resource
win10v2004-20221111-en
General
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Target
cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe
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Size
180KB
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MD5
e1bc43c91b3c73af5ae90f7c9fab39e5
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SHA1
c6a4007917ff283c69a50ffa0fe216cda3a69f27
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SHA256
cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac
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SHA512
71cda3de375fab8bdd43b0ce62d8c51d71fb90ed39f4d82b0939882b49105e757996e251c900135561554188555125b3a29c46166f44df72c48dd6d2083bae5d
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SSDEEP
3072:dRVNSIcEGROnFZgPmCXMNKiqMWMZZZZWMkIJX:Rg2tEMNIMWHY
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" nhwuj.exe -
Executes dropped EXE 1 IoCs
pid Process 3932 nhwuj.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /p" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /i" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /u" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /k" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /o" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /v" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /f" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /s" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /n" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /y" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /r" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /c" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /a" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /z" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /g" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /l" cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /d" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /w" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /l" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /e" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /q" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /j" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /b" nhwuj.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /h" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /t" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /x" nhwuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nhwuj = "C:\\Users\\Admin\\nhwuj.exe /m" nhwuj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe 3932 nhwuj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 3932 nhwuj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2036 wrote to memory of 3932 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 87 PID 2036 wrote to memory of 3932 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 87 PID 2036 wrote to memory of 3932 2036 cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe"C:\Users\Admin\AppData\Local\Temp\cf8d05deaced6ca5afb289232bdd472fbeaf655bc47927d4e9121dcf900871ac.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Users\Admin\nhwuj.exe"C:\Users\Admin\nhwuj.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3932
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
180KB
MD515e229abfbd4d72ed3e55dfc154ff653
SHA12cf7a49219309d8e28a30b4db050ace94bbb9b66
SHA256c918859ece04adcd3b70d73d986f6811586d31e0dd5a3177ce26fc150a24e4dd
SHA5127cd044f2a0e627d3b552823bc1442ac57c8bc2a35fbc1d05c315b1bf063a84f76a33458b7686181861a7a960a757982eaddfbab74e50015b473698987e0fcc41
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Filesize
180KB
MD515e229abfbd4d72ed3e55dfc154ff653
SHA12cf7a49219309d8e28a30b4db050ace94bbb9b66
SHA256c918859ece04adcd3b70d73d986f6811586d31e0dd5a3177ce26fc150a24e4dd
SHA5127cd044f2a0e627d3b552823bc1442ac57c8bc2a35fbc1d05c315b1bf063a84f76a33458b7686181861a7a960a757982eaddfbab74e50015b473698987e0fcc41