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Analysis
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max time kernel
151s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
07/11/2022, 16:26
Static task
static1
Behavioral task
behavioral1
Sample
99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe
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Size
296KB
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MD5
0a406b3934a8dc66d083a7f9a3812a41
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SHA1
232c4cbdb5f95b15a610d5a3d4264cea456595a8
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SHA256
99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df
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SHA512
988b01759db5af0511eb53abe342eda23cb14c3a30a60ed3c6d8a7a767fd7b110c3a0da77668a53d0dbea2a8b897659af892aa7524adb4987eaed5c8c8fe2d22
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SSDEEP
6144:4zMExFRkhqb7IT4pO6JK/fObT/bGiWtBcMf1YUQiCgfAJDq2ijxLzOwp:G5xFRL7IT4pO6JK/fObT/bGiWt/YUQiJ
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" 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" weuwub.exe -
Executes dropped EXE 1 IoCs
pid Process 1148 weuwub.exe -
Loads dropped DLL 2 IoCs
pid Process 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /x" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /M" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /w" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /r" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /z" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /A" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /v" weuwub.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /f" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /s" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /a" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /o" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /Q" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /P" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /i" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /C" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /h" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /t" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /d" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /n" 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /e" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /U" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /K" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /B" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /S" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /p" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /R" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /D" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /q" weuwub.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /j" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /T" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /g" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /k" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /N" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /E" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /L" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /H" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /J" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /u" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /V" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /n" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /I" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /Y" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /G" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /y" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /l" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /m" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /c" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /Z" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /F" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /X" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /b" weuwub.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\weuwub = "C:\\Users\\Admin\\weuwub.exe /W" weuwub.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 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe 1148 weuwub.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 1148 weuwub.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 976 wrote to memory of 1148 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 27 PID 976 wrote to memory of 1148 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 27 PID 976 wrote to memory of 1148 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 27 PID 976 wrote to memory of 1148 976 99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.exe"C:\Users\Admin\AppData\Local\Temp\99c16ee0d74db6e1ea85aa2cf130e72c8ce1d113c5678aeebd3fea75332c38df.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:976 -
C:\Users\Admin\weuwub.exe"C:\Users\Admin\weuwub.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:1148
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
296KB
MD5c19a1e27b04aa96c83d7d2cd8c27583a
SHA1ab56186d5f04b3fb2e50d8f2123da48f86d8817c
SHA256f789d36a4d9f411d70f8d9efa8d542fc6f91adad09862db1d4b2c969389bd020
SHA512c593bc813adada8fd3815e1f76e5a6baf3f700255dc416f31bb28f1566f5bdb69e5cf8867b9cc962c37a2a0fea2978c694960ac911058308874a990d02b07bba
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Filesize
296KB
MD5c19a1e27b04aa96c83d7d2cd8c27583a
SHA1ab56186d5f04b3fb2e50d8f2123da48f86d8817c
SHA256f789d36a4d9f411d70f8d9efa8d542fc6f91adad09862db1d4b2c969389bd020
SHA512c593bc813adada8fd3815e1f76e5a6baf3f700255dc416f31bb28f1566f5bdb69e5cf8867b9cc962c37a2a0fea2978c694960ac911058308874a990d02b07bba
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Filesize
296KB
MD5c19a1e27b04aa96c83d7d2cd8c27583a
SHA1ab56186d5f04b3fb2e50d8f2123da48f86d8817c
SHA256f789d36a4d9f411d70f8d9efa8d542fc6f91adad09862db1d4b2c969389bd020
SHA512c593bc813adada8fd3815e1f76e5a6baf3f700255dc416f31bb28f1566f5bdb69e5cf8867b9cc962c37a2a0fea2978c694960ac911058308874a990d02b07bba
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Filesize
296KB
MD5c19a1e27b04aa96c83d7d2cd8c27583a
SHA1ab56186d5f04b3fb2e50d8f2123da48f86d8817c
SHA256f789d36a4d9f411d70f8d9efa8d542fc6f91adad09862db1d4b2c969389bd020
SHA512c593bc813adada8fd3815e1f76e5a6baf3f700255dc416f31bb28f1566f5bdb69e5cf8867b9cc962c37a2a0fea2978c694960ac911058308874a990d02b07bba