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Analysis
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max time kernel
188s -
max time network
173s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe
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Size
140KB
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MD5
50bead83e8f0f59c754333c346ddc533
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SHA1
28b4e8740e7d3b3294ef07d122b3d924ffc159d3
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SHA256
e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45
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SHA512
ae28877ac35f0ba3651fa9a0ff3c46486afc2c7f80eba8ec7c80ceae5afea1d3790cde5256c2c8db96c34962045ba8e2f65a1964e736de6bad18f2629fd474fd
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SSDEEP
1536:Mu04r4SNyLV4Ji2+6wl4fAsyCsJ2AyJOSfNifNuzyW14oQ/hKeXsjEFiKuhu:fiCi2+6CXfCZAyJH1i1uzD4oQZiEkfhu
Score
10/10
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" puaarep.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe -
Executes dropped EXE 1 IoCs
pid Process 3700 puaarep.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 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /T" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /p" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /C" puaarep.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /L" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /K" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /n" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /j" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /s" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /e" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /o" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /g" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /z" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /m" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /v" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /A" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /E" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /r" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /u" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /x" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /Q" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /B" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /H" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /W" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /h" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /w" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /F" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /y" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /V" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /M" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /d" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /I" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /Y" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /c" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /X" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /P" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /i" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /D" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /R" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /J" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /U" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /f" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /G" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /Z" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /a" puaarep.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /k" e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /q" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /l" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /S" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /t" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /b" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /N" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /O" puaarep.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puaarep = "C:\\Users\\Admin\\puaarep.exe /k" puaarep.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 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe 3700 puaarep.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 3700 puaarep.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2136 wrote to memory of 3700 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 83 PID 2136 wrote to memory of 3700 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 83 PID 2136 wrote to memory of 3700 2136 e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.exe"C:\Users\Admin\AppData\Local\Temp\e306d22a41874c9e866d8d4d61b5d9cdf44362354060bea5d7b412ab81345d45.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:2136 -
C:\Users\Admin\puaarep.exe"C:\Users\Admin\puaarep.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:3700
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD573bc0e23823ef2e9506ec9e4573355c3
SHA159138ad372dc0513c051d5bce7343e7344a6f023
SHA256697d19d935814a46b21f8919f7d7545e0ae8eaa552a882aca2300d99a494d98e
SHA512213e1cfcba23f1b5efc0945079467edb855faacf96d1841a881dc82e2c063edf4d485099708f0e638cbf331f39848465399d314736d37af1793251e2288a626e
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Filesize
140KB
MD573bc0e23823ef2e9506ec9e4573355c3
SHA159138ad372dc0513c051d5bce7343e7344a6f023
SHA256697d19d935814a46b21f8919f7d7545e0ae8eaa552a882aca2300d99a494d98e
SHA512213e1cfcba23f1b5efc0945079467edb855faacf96d1841a881dc82e2c063edf4d485099708f0e638cbf331f39848465399d314736d37af1793251e2288a626e