Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
04/06/2024, 18:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
Resource
win10v2004-20240426-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe
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Size
88KB
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MD5
681f9b497a0197f61306fc775088f35d
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SHA1
7ec231726737335b18b69f3afa0518cc1905eba6
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SHA256
140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c
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SHA512
7efdc71eeceac5a05b509fb981e7a07777721d3d26f6c433d9939af1593eabfcd2e6632a4d24522d0f359a6c3bc4eb551268a16e1e25eecc8c835591a20a3ee2
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SSDEEP
768:HO6jxOJETcNnIHpFeh6RM1rA8dOsk7jbqqRkA5okK1DfsvtDzsXjLft+9o1Jz:HOcx/ANILFUnzJA5o9BfItDoXjLl0+z
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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" caoej.exe -
Executes dropped EXE 1 IoCs
pid Process 2560 caoej.exe -
Loads dropped DLL 2 IoCs
pid Process 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /i" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /d" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /p" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /c" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /m" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /h" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /s" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /n" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /z" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /l" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /n" 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /v" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /u" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /x" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /y" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /q" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /b" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /r" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /w" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /j" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /f" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /t" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /g" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /e" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /a" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /k" caoej.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\caoej = "C:\\Users\\Admin\\caoej.exe /o" caoej.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe 2560 caoej.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 2560 caoej.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2560 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 28 PID 2368 wrote to memory of 2560 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 28 PID 2368 wrote to memory of 2560 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 28 PID 2368 wrote to memory of 2560 2368 140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.exe"C:\Users\Admin\AppData\Local\Temp\140ecf4ec0e47bb5ab9f2712780ce22d238386101203aafeab9a105ae61d900c.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:2368 -
C:\Users\Admin\caoej.exe"C:\Users\Admin\caoej.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:2560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
88KB
MD584a65b6cbf2cc81ea0ea31a66f1dfcbd
SHA1b1b9c8fef0473b54b8b9fffaf0ef21f954aec175
SHA256d6ce4d46e06b1fadf3f791f41bdfbb16b3b73aea282d66e42a67037f9abfe79b
SHA512333814c0b52121043b0ee959dc719067cd78b193fbc3aef01423ed87d182dcd092695b2a74decc7489a00485defaf5771d8f118cf1e9c3bd8532dda1528aa65b