Analysis
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max time kernel
152s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
30-10-2022 00:28
Static task
static1
Behavioral task
behavioral1
Sample
002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe
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Size
104KB
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MD5
928737778eb27eaa804cb0de09981cd0
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SHA1
d71702bb32cc1d1dc954e851586e01ecf23e512c
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SHA256
002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372
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SHA512
ba0f52b95d8dc066fd230e2e8d589d87bdd951c37c35b304e80273b57141694f68e466a54a4eabd2bde44461b395358b14c420c9258968ce5d0f1eb9d66fc365
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SSDEEP
1536:T253fElJZScK43sKeWjwJBAOs9G2HaQNsMj3i6E3j:a53fElJkIsK0IHxN/Oj
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" juefuk.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 juefuk.exe -
Loads dropped DLL 2 IoCs
pid Process 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /l" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /d" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /r" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /s" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /f" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /o" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /e" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /w" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /p" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /b" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /h" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /a" 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /x" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /m" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /t" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /c" juefuk.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /v" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /y" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /i" juefuk.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /g" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /n" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /u" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /a" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /k" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /j" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /q" juefuk.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\juefuk = "C:\\Users\\Admin\\juefuk.exe /z" juefuk.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 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe 1728 juefuk.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 1728 juefuk.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 900 wrote to memory of 1728 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 27 PID 900 wrote to memory of 1728 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 27 PID 900 wrote to memory of 1728 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 27 PID 900 wrote to memory of 1728 900 002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe"C:\Users\Admin\AppData\Local\Temp\002b1ea364d98cb94d90af4bc17b169b022858631a4aca3d8297216cccf89372.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Users\Admin\juefuk.exe"C:\Users\Admin\juefuk.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:1728
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD50a40ab14fc42cb2b9650331845192cb5
SHA14796871a515f4271495884b700f2ab10f70009af
SHA2568cc61a37fa5c19c717c8223584d7a183e2195f6bc2d3fb061c71e7184320eb02
SHA512c974f57bc1c26684dae427dfada84fd6ad66c12bcd90fd11900f932e1e18ad0b819bbe3c938015ce43ff968fca53ef6a73584800e2c603d95460e8ad7d4df252
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Filesize
104KB
MD50a40ab14fc42cb2b9650331845192cb5
SHA14796871a515f4271495884b700f2ab10f70009af
SHA2568cc61a37fa5c19c717c8223584d7a183e2195f6bc2d3fb061c71e7184320eb02
SHA512c974f57bc1c26684dae427dfada84fd6ad66c12bcd90fd11900f932e1e18ad0b819bbe3c938015ce43ff968fca53ef6a73584800e2c603d95460e8ad7d4df252
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Filesize
104KB
MD50a40ab14fc42cb2b9650331845192cb5
SHA14796871a515f4271495884b700f2ab10f70009af
SHA2568cc61a37fa5c19c717c8223584d7a183e2195f6bc2d3fb061c71e7184320eb02
SHA512c974f57bc1c26684dae427dfada84fd6ad66c12bcd90fd11900f932e1e18ad0b819bbe3c938015ce43ff968fca53ef6a73584800e2c603d95460e8ad7d4df252
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Filesize
104KB
MD50a40ab14fc42cb2b9650331845192cb5
SHA14796871a515f4271495884b700f2ab10f70009af
SHA2568cc61a37fa5c19c717c8223584d7a183e2195f6bc2d3fb061c71e7184320eb02
SHA512c974f57bc1c26684dae427dfada84fd6ad66c12bcd90fd11900f932e1e18ad0b819bbe3c938015ce43ff968fca53ef6a73584800e2c603d95460e8ad7d4df252