Analysis
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max time kernel
151s -
max time network
85s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06-11-2022 11:34
Static task
static1
Behavioral task
behavioral1
Sample
471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe
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Size
332KB
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MD5
0d33ebf415e88bfe0b09ff0803063af1
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SHA1
58b56cc8da486a0352261a794925967b83c5c60a
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SHA256
471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006
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SHA512
d00e61feb72f83487ee62ece8275f84c2d6e82a83fabb335a0cc55fa63f4d37ed0643e458c177deea4d7032067f99475d016644c9148d27e445ed293ca63b64d
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SSDEEP
3072:XnkRIglgkBfrvok1jrLXvYNJOLlDrDxUfSGIf9b6L6VlMixFGI5FpqMBDzsUizts:gIiZr/rLXeaHDxUadt382FxYIcUuts
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" wuifa.exe -
Executes dropped EXE 1 IoCs
pid Process 272 wuifa.exe -
Loads dropped DLL 2 IoCs
pid Process 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /k" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /X" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /u" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /n" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /N" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /g" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /c" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /L" 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /B" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /q" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /v" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /z" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /s" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /R" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /T" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /a" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /b" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /x" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /w" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /V" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /i" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /j" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /J" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /O" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /H" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /W" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /p" wuifa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /K" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /M" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /m" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /Q" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /l" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /U" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /e" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /y" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /F" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /Y" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /G" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /Z" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /t" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /I" wuifa.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /C" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /d" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /D" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /o" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /L" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /S" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /P" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /r" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /A" wuifa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuifa = "C:\\Users\\Admin\\wuifa.exe /E" wuifa.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 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe 272 wuifa.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 272 wuifa.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1280 wrote to memory of 272 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 28 PID 1280 wrote to memory of 272 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 28 PID 1280 wrote to memory of 272 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 28 PID 1280 wrote to memory of 272 1280 471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.exe"C:\Users\Admin\AppData\Local\Temp\471df7e5563302ca5c696eaf08eb083a7cfe7b369b32ef6795643d4c89227006.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:1280 -
C:\Users\Admin\wuifa.exe"C:\Users\Admin\wuifa.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:272
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
332KB
MD5e5e24f9519fc527856b1e7df17f47176
SHA19deb137348b35de10a579dbe11eda8a41d75cb3d
SHA256123354a6ac82efcf98eba131ca8f0f811af7f7b2360361081c4b7554c36b4d14
SHA512fa5138c70ed29f25d524851cb5572d444622a8abe3101994e6a7153be9829a6f92b7066a1bcda3e1c800e0a108ff67cac3c86461ac5f38a2994bcccbe497862e
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Filesize
332KB
MD5e5e24f9519fc527856b1e7df17f47176
SHA19deb137348b35de10a579dbe11eda8a41d75cb3d
SHA256123354a6ac82efcf98eba131ca8f0f811af7f7b2360361081c4b7554c36b4d14
SHA512fa5138c70ed29f25d524851cb5572d444622a8abe3101994e6a7153be9829a6f92b7066a1bcda3e1c800e0a108ff67cac3c86461ac5f38a2994bcccbe497862e
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Filesize
332KB
MD5e5e24f9519fc527856b1e7df17f47176
SHA19deb137348b35de10a579dbe11eda8a41d75cb3d
SHA256123354a6ac82efcf98eba131ca8f0f811af7f7b2360361081c4b7554c36b4d14
SHA512fa5138c70ed29f25d524851cb5572d444622a8abe3101994e6a7153be9829a6f92b7066a1bcda3e1c800e0a108ff67cac3c86461ac5f38a2994bcccbe497862e
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Filesize
332KB
MD5e5e24f9519fc527856b1e7df17f47176
SHA19deb137348b35de10a579dbe11eda8a41d75cb3d
SHA256123354a6ac82efcf98eba131ca8f0f811af7f7b2360361081c4b7554c36b4d14
SHA512fa5138c70ed29f25d524851cb5572d444622a8abe3101994e6a7153be9829a6f92b7066a1bcda3e1c800e0a108ff67cac3c86461ac5f38a2994bcccbe497862e