Analysis
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max time kernel
151s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 00:18
Static task
static1
Behavioral task
behavioral1
Sample
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe
Resource
win10v2004-20221111-en
General
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Target
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe
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Size
228KB
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MD5
35845c3135b9f72abee1edb811aa8f42
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SHA1
4d7e9432351ecba1f84aff1a70fcc9550b1bb0af
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SHA256
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a
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SHA512
0740bfecaf5183743393c9180f2ee99128af15c956247cb57ed0605e8c31f28fdbfcfb4d24c6c472120835e6e48a8636bbe317880f664ce895b02abdfc5bdff9
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SSDEEP
6144:dm2J3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/7SR:dm2FPhAmZIH+7E
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exemauzob.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" mauzob.exe -
Executes dropped EXE 1 IoCs
Processes:
mauzob.exepid process 1612 mauzob.exe -
Loads dropped DLL 2 IoCs
Processes:
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exepid process 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
Processes:
mauzob.exef8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /j" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /l" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /n" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /g" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /m" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /r" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /t" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /x" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /v" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /a" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /f" mauzob.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /q" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /h" mauzob.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /d" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /e" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /u" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /s" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /c" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /p" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /b" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /i" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /o" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /k" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /y" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /w" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /z" mauzob.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\mauzob = "C:\\Users\\Admin\\mauzob.exe /r" f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.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
Processes:
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exemauzob.exepid process 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe 1612 mauzob.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exemauzob.exepid process 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe 1612 mauzob.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exedescription pid process target process PID 1672 wrote to memory of 1612 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe mauzob.exe PID 1672 wrote to memory of 1612 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe mauzob.exe PID 1672 wrote to memory of 1612 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe mauzob.exe PID 1672 wrote to memory of 1612 1672 f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe mauzob.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.exe"C:\Users\Admin\AppData\Local\Temp\f8655c88b1cc2696a0acfc97a44264420a81e12a68f0cc145852f8337311680a.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:1672 -
C:\Users\Admin\mauzob.exe"C:\Users\Admin\mauzob.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:1612
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
228KB
MD54efda77ed284a01e54010f9003afa843
SHA136d94e0e3eb041e0896d6c2ec9bb2089e47f8e76
SHA256631aa1aa835612ec27ed01ee819d229047e6765090ab5361a8dc0d6306c2a8e3
SHA512d819ff1134e928bd315f7a284072a08a7a231c4c9c3d04d8f8b410c271c321f74866ec098e360ac34241662b0d557c6434436851ea3c2267311ec0659020397e
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Filesize
228KB
MD54efda77ed284a01e54010f9003afa843
SHA136d94e0e3eb041e0896d6c2ec9bb2089e47f8e76
SHA256631aa1aa835612ec27ed01ee819d229047e6765090ab5361a8dc0d6306c2a8e3
SHA512d819ff1134e928bd315f7a284072a08a7a231c4c9c3d04d8f8b410c271c321f74866ec098e360ac34241662b0d557c6434436851ea3c2267311ec0659020397e
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Filesize
228KB
MD54efda77ed284a01e54010f9003afa843
SHA136d94e0e3eb041e0896d6c2ec9bb2089e47f8e76
SHA256631aa1aa835612ec27ed01ee819d229047e6765090ab5361a8dc0d6306c2a8e3
SHA512d819ff1134e928bd315f7a284072a08a7a231c4c9c3d04d8f8b410c271c321f74866ec098e360ac34241662b0d557c6434436851ea3c2267311ec0659020397e
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Filesize
228KB
MD54efda77ed284a01e54010f9003afa843
SHA136d94e0e3eb041e0896d6c2ec9bb2089e47f8e76
SHA256631aa1aa835612ec27ed01ee819d229047e6765090ab5361a8dc0d6306c2a8e3
SHA512d819ff1134e928bd315f7a284072a08a7a231c4c9c3d04d8f8b410c271c321f74866ec098e360ac34241662b0d557c6434436851ea3c2267311ec0659020397e