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Analysis
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max time kernel
192s -
max time network
203s -
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, 03:20
Static task
static1
Behavioral task
behavioral1
Sample
17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe
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Size
256KB
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MD5
117f8f1369374f6269cedf1a56fa9ea7
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SHA1
43250be822934748e6718f282c9de6fd4bd82464
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SHA256
17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb
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SHA512
f7cfdd9e006a271b2de95be8829e40f11587be95b2be911250bd31c01b151e2142666dc9d9fabf8cb260601415a4d626800b8dadd120b62d8ebaa2d32d1b0a14
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SSDEEP
6144:YLEBRa0wxtGUjk+UHAS3+qipkWqWHa2xUsKjVx5LK6HX36X6xv76gcBRSUznDy:YLEc0wTGUjk//3+qEkWqWHa2xUsKjVxV
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" 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beukar.exe -
Executes dropped EXE 1 IoCs
pid Process 836 beukar.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 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe -
Adds Run key to start application 2 TTPs 58 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /i" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /p" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /a" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /r" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /c" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /p" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /s" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /n" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /v" 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /z" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /v" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /n" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /q" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /w" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /h" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /d" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /z" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /u" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /r" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /c" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /w" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /g" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /e" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /u" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /y" beukar.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /g" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /t" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /k" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /y" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /v" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /t" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /o" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /k" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /h" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /a" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /b" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /s" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /e" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /f" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /j" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /u" 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /b" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /l" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /x" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /m" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /q" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /d" beukar.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /x" beukar.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /m" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /f" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /l" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /i" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /j" beukar.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\beukar = "C:\\Users\\Admin\\beukar.exe /o" beukar.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 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe 836 beukar.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 836 beukar.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 836 beukar.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3136 wrote to memory of 836 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 86 PID 3136 wrote to memory of 836 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 86 PID 3136 wrote to memory of 836 3136 17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.exe"C:\Users\Admin\AppData\Local\Temp\17e07e8f596dfc3010ba44fc95612345969d45d5670a634a06c4e4d02f46f1fb.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:3136 -
C:\Users\Admin\beukar.exe"C:\Users\Admin\beukar.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:836
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
256KB
MD5ba6dbd7f4bf759e166336dc5f9f6bdf2
SHA1c857d3b512a8484495bd4904fec8f0a469cc9458
SHA256e2dd24c97a5c8a904c4fe1e1eccf460bd8a9ffe245b26d7a68d3721f5dacaf4e
SHA512fe1d0ea075af1fc11ae4395f69fdb6331d45a96ac85d7bac4217b303a2a2548a0b8ae74c9e15a11dbc76d1c59a64039f3512f9eb59c029bf783f89e5924b8cf9
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Filesize
256KB
MD5ba6dbd7f4bf759e166336dc5f9f6bdf2
SHA1c857d3b512a8484495bd4904fec8f0a469cc9458
SHA256e2dd24c97a5c8a904c4fe1e1eccf460bd8a9ffe245b26d7a68d3721f5dacaf4e
SHA512fe1d0ea075af1fc11ae4395f69fdb6331d45a96ac85d7bac4217b303a2a2548a0b8ae74c9e15a11dbc76d1c59a64039f3512f9eb59c029bf783f89e5924b8cf9