Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 17:50
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
75229e9db81837f956adb4996c50ffbe.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
75229e9db81837f956adb4996c50ffbe.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
75229e9db81837f956adb4996c50ffbe.exe
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Size
228KB
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MD5
75229e9db81837f956adb4996c50ffbe
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SHA1
f95dc596a21b353fbfa3a0456b065c898a551da7
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SHA256
3a6c47f87c9443000e952eb0152da7d882c0df02a0a5af3f9288c10841a3f31d
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SHA512
35d947f2a3eba28f3fd03010fab8177b7e72de2ef68d9be1f499142cdded424de73ea61c21213071a57665743265b8325d0d4ff00698fbb3593d5879f4b40984
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SSDEEP
6144:FEh3PFKs7aaOKW8alhrEqxF6snji81RUinKGHgDDSa:FEtPhvENPH6Dn
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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 75229e9db81837f956adb4996c50ffbe.exe Set value (int) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tuifu.exe -
Executes dropped EXE 1 IoCs
pid Process 2764 tuifu.exe -
Loads dropped DLL 2 IoCs
pid Process 1648 75229e9db81837f956adb4996c50ffbe.exe 1648 75229e9db81837f956adb4996c50ffbe.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /x" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /n" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /q" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /k" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /v" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /u" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /l" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /j" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /g" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /z" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /s" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /m" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /c" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /r" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /e" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /s" 75229e9db81837f956adb4996c50ffbe.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /d" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /f" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /i" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /a" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /t" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /o" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /w" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /b" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /y" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /p" tuifu.exe Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\tuifu = "C:\\Users\\Admin\\tuifu.exe /h" tuifu.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 1648 75229e9db81837f956adb4996c50ffbe.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe 2764 tuifu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1648 75229e9db81837f956adb4996c50ffbe.exe 2764 tuifu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1648 wrote to memory of 2764 1648 75229e9db81837f956adb4996c50ffbe.exe 28 PID 1648 wrote to memory of 2764 1648 75229e9db81837f956adb4996c50ffbe.exe 28 PID 1648 wrote to memory of 2764 1648 75229e9db81837f956adb4996c50ffbe.exe 28 PID 1648 wrote to memory of 2764 1648 75229e9db81837f956adb4996c50ffbe.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\75229e9db81837f956adb4996c50ffbe.exe"C:\Users\Admin\AppData\Local\Temp\75229e9db81837f956adb4996c50ffbe.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:1648 -
C:\Users\Admin\tuifu.exe"C:\Users\Admin\tuifu.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:2764
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
228KB
MD5314ed55418b5c90dff23fadc439e1fe5
SHA14b0b694ccd82b7e65624c1713a1b115e1c954b16
SHA256765b96094f179ffb11b438ee4bf2d213962c112cbd819f895f018394577fdaa3
SHA51290fed641a556211355dbc44362e0044dfd28022d932ad9660a254ee400df505e4b17cb27efbe5e8e8cd9554bf75e67ddfc8d510e73fe72fbb06dc952c7936e2b