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Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
14/02/2024, 19:05
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9c68a3d0759007a88f1059ed600e24e4.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
9c68a3d0759007a88f1059ed600e24e4.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
9c68a3d0759007a88f1059ed600e24e4.exe
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Size
220KB
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MD5
9c68a3d0759007a88f1059ed600e24e4
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SHA1
4b1b58786727b32d48a5b427951741d3449348b7
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SHA256
23d9562e593f97f77723453bb807edc296fb49c46af93e7ded554c6fd8735cfc
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SHA512
4c5f16a5bf8c26b3f5c79fed693a70f4b891d7830b1b694d01deb26638f988c7e14bafd3c2a0510859cd6f02164755cc87ced4d1540c6d149a87dafde7455d45
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SSDEEP
3072:TLJqDOSqJvsov5gVzaSCzcIJhRxdJWeAmZ5qK:JqDOSqJPgzQLxNyK
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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" caojiy.exe Set value (int) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 9c68a3d0759007a88f1059ed600e24e4.exe -
Executes dropped EXE 1 IoCs
pid Process 1216 caojiy.exe -
Loads dropped DLL 2 IoCs
pid Process 2444 9c68a3d0759007a88f1059ed600e24e4.exe 2444 9c68a3d0759007a88f1059ed600e24e4.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /y" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /o" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /g" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /z" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /j" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /q" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /l" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /a" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /p" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /c" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /s" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /v" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /f" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /w" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /m" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /x" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /i" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /e" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /h" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /r" 9c68a3d0759007a88f1059ed600e24e4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /n" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /d" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /t" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /r" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /b" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /k" caojiy.exe Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\caojiy = "C:\\Users\\Admin\\caojiy.exe /u" caojiy.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 2444 9c68a3d0759007a88f1059ed600e24e4.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe 1216 caojiy.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2444 9c68a3d0759007a88f1059ed600e24e4.exe 1216 caojiy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2444 wrote to memory of 1216 2444 9c68a3d0759007a88f1059ed600e24e4.exe 28 PID 2444 wrote to memory of 1216 2444 9c68a3d0759007a88f1059ed600e24e4.exe 28 PID 2444 wrote to memory of 1216 2444 9c68a3d0759007a88f1059ed600e24e4.exe 28 PID 2444 wrote to memory of 1216 2444 9c68a3d0759007a88f1059ed600e24e4.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9c68a3d0759007a88f1059ed600e24e4.exe"C:\Users\Admin\AppData\Local\Temp\9c68a3d0759007a88f1059ed600e24e4.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:2444 -
C:\Users\Admin\caojiy.exe"C:\Users\Admin\caojiy.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:1216
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
220KB
MD59c68a3d0759007a88f1059ed600e24e4
SHA14b1b58786727b32d48a5b427951741d3449348b7
SHA25623d9562e593f97f77723453bb807edc296fb49c46af93e7ded554c6fd8735cfc
SHA5124c5f16a5bf8c26b3f5c79fed693a70f4b891d7830b1b694d01deb26638f988c7e14bafd3c2a0510859cd6f02164755cc87ced4d1540c6d149a87dafde7455d45