Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
29/11/2022, 16:42
Static task
static1
Behavioral task
behavioral1
Sample
a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
2 signatures
150 seconds
General
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Target
a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe
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Size
240KB
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MD5
15d8c936511813e55f355c73e7f7caf0
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SHA1
838b5707c8d89d17244652c1925a46ceac28e644
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SHA256
a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61
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SHA512
606507cc6e1cebdf9d144e370da8d61f6e9c0e1243250094c142f89674ce636e80e9773edb2ba720982562bfb01e90ffc22d6eb25426a926a9f07bb28ae61c1c
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SSDEEP
3072:COjKRvE2jQdrgUDdCGAX31X7tlcxEHglJsd1/Ab32yZlOsQqO1j99MJQ:acdlcX31X7tlMGFTy6sQvh
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" a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" baidu.exe -
Executes dropped EXE 1 IoCs
pid Process 1732 baidu.exe -
Loads dropped DLL 2 IoCs
pid Process 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.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\baidu = "C:\\Users\\Admin\\baidu.exe /t" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /a" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /r" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /e" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /k" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /v" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /p" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /o" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /s" baidu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /m" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /y" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /u" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /c" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /h" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /d" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /i" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /f" baidu.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /z" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /l" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /b" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /x" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /q" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /w" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /j" a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /g" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /n" baidu.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\baidu = "C:\\Users\\Admin\\baidu.exe /j" baidu.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 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe 1732 baidu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 1732 baidu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1896 wrote to memory of 1732 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 28 PID 1896 wrote to memory of 1732 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 28 PID 1896 wrote to memory of 1732 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 28 PID 1896 wrote to memory of 1732 1896 a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.exe"C:\Users\Admin\AppData\Local\Temp\a62c9e0eb7c4e3c41886f2ea06e2e7e4a39d0f7dc39699fcd81848cf2922ea61.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:1896 -
C:\Users\Admin\baidu.exe"C:\Users\Admin\baidu.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:1732
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
240KB
MD58653940dafd1e7e7f04243a4c40b3140
SHA1d3ad16672cca010ba45ce5ea6fbb0f3a83af8a2e
SHA2562e99bbbd17eb6214c463f57dc315b89563dc80e3a2ad0113d92af58883817623
SHA51214770fa264775482e3ba260c77917feff329b017a93049fd694422b4abadd0267efb353220405f0a3b6ee5614aae230114b8025645a1a879cd50b114c677fbd7
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Filesize
240KB
MD58653940dafd1e7e7f04243a4c40b3140
SHA1d3ad16672cca010ba45ce5ea6fbb0f3a83af8a2e
SHA2562e99bbbd17eb6214c463f57dc315b89563dc80e3a2ad0113d92af58883817623
SHA51214770fa264775482e3ba260c77917feff329b017a93049fd694422b4abadd0267efb353220405f0a3b6ee5614aae230114b8025645a1a879cd50b114c677fbd7
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Filesize
240KB
MD58653940dafd1e7e7f04243a4c40b3140
SHA1d3ad16672cca010ba45ce5ea6fbb0f3a83af8a2e
SHA2562e99bbbd17eb6214c463f57dc315b89563dc80e3a2ad0113d92af58883817623
SHA51214770fa264775482e3ba260c77917feff329b017a93049fd694422b4abadd0267efb353220405f0a3b6ee5614aae230114b8025645a1a879cd50b114c677fbd7
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Filesize
240KB
MD58653940dafd1e7e7f04243a4c40b3140
SHA1d3ad16672cca010ba45ce5ea6fbb0f3a83af8a2e
SHA2562e99bbbd17eb6214c463f57dc315b89563dc80e3a2ad0113d92af58883817623
SHA51214770fa264775482e3ba260c77917feff329b017a93049fd694422b4abadd0267efb353220405f0a3b6ee5614aae230114b8025645a1a879cd50b114c677fbd7