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Analysis
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max time kernel
150s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:52
Static task
static1
Behavioral task
behavioral1
Sample
ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe
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Size
132KB
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MD5
e52301a0a02a5b38961491371d58db91
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SHA1
7cf34aea74e29a059949c003a79127aeb6fead43
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SHA256
ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5
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SHA512
24e49ddc2273819689c269d69ac51a3c37349ca7a6ad41ec85d46fa448d93a79aa5f72334499be90e388f5f7dfcefec36efbf53d5ff68da6386be5a5f7841c58
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SSDEEP
3072:deDw4qy7TBJVSgpS5uIyio/Conuh1CNvD0iWHpk:dEqoTB2grko/C2gcQih
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" ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" meuitu.exe -
Executes dropped EXE 1 IoCs
pid Process 916 meuitu.exe -
Loads dropped DLL 2 IoCs
pid Process 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /m" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /b" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /k" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /f" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /t" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /o" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /N" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /r" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /x" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /p" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /G" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /h" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /C" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /l" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /S" ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /y" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /s" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /Q" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /v" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /F" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /I" meuitu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /O" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /L" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /U" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /H" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /Z" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /K" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /i" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /J" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /M" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /c" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /E" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /B" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /P" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /W" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /q" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /a" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /g" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /d" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /u" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /n" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /e" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /w" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /A" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /D" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /R" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /T" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /S" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /Y" meuitu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\meuitu = "C:\\Users\\Admin\\meuitu.exe /z" meuitu.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 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe 916 meuitu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 916 meuitu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 108 wrote to memory of 916 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 27 PID 108 wrote to memory of 916 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 27 PID 108 wrote to memory of 916 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 27 PID 108 wrote to memory of 916 108 ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.exe"C:\Users\Admin\AppData\Local\Temp\ef1c08e1265cb29d346ac5cb9cf591b370ef1983b514143196a1bcf0841f16c5.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:108 -
C:\Users\Admin\meuitu.exe"C:\Users\Admin\meuitu.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:916
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132KB
MD5714a7343ea20e442821ab47a32dfe281
SHA1b1a87c296bc4bdac614be87b84a31f5f96081c8a
SHA256d2d7948244a5c225128830891289d8940f489c8e5a01e77bb99eb5e127ac1c1f
SHA512d534292fbfa3fdebd5b6067b6026b8330a114e1f638cfea6d7b2c33802465d9b8330d3c948861c421cb00c25e7f9f3984a3afcb6798f31b8eaaf2256391f4e48
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Filesize
132KB
MD5714a7343ea20e442821ab47a32dfe281
SHA1b1a87c296bc4bdac614be87b84a31f5f96081c8a
SHA256d2d7948244a5c225128830891289d8940f489c8e5a01e77bb99eb5e127ac1c1f
SHA512d534292fbfa3fdebd5b6067b6026b8330a114e1f638cfea6d7b2c33802465d9b8330d3c948861c421cb00c25e7f9f3984a3afcb6798f31b8eaaf2256391f4e48
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Filesize
132KB
MD5714a7343ea20e442821ab47a32dfe281
SHA1b1a87c296bc4bdac614be87b84a31f5f96081c8a
SHA256d2d7948244a5c225128830891289d8940f489c8e5a01e77bb99eb5e127ac1c1f
SHA512d534292fbfa3fdebd5b6067b6026b8330a114e1f638cfea6d7b2c33802465d9b8330d3c948861c421cb00c25e7f9f3984a3afcb6798f31b8eaaf2256391f4e48
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Filesize
132KB
MD5714a7343ea20e442821ab47a32dfe281
SHA1b1a87c296bc4bdac614be87b84a31f5f96081c8a
SHA256d2d7948244a5c225128830891289d8940f489c8e5a01e77bb99eb5e127ac1c1f
SHA512d534292fbfa3fdebd5b6067b6026b8330a114e1f638cfea6d7b2c33802465d9b8330d3c948861c421cb00c25e7f9f3984a3afcb6798f31b8eaaf2256391f4e48