Analysis
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max time kernel
191s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 10:13
Static task
static1
Behavioral task
behavioral1
Sample
b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe
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Size
164KB
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MD5
3d316ee3dbeb54e1336de2f3770863ff
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SHA1
056c04d3a6fc741d893e7f1a55f8154ea4f6f858
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SHA256
b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398
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SHA512
99d7b56716b1d98baabeb0de82af1b49f9cdb34f08081fab64dc8dadd4afbb94f261a1eb82abb0b026df2b00de205d231679e7d68b8856411062ab6e4c3966b0
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SSDEEP
3072:M7VzbhEbV93WZy844f6Gy6r7bkcsN2bqldN:M7obOQof6GB7bkjK8d
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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" jopaf.exe -
Executes dropped EXE 1 IoCs
pid Process 472 jopaf.exe -
Loads dropped DLL 2 IoCs
pid Process 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /x" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /v" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /n" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /d" jopaf.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /t" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /o" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /j" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /q" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /y" jopaf.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /m" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /e" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /i" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /h" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /z" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /u" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /s" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /l" b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /r" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /g" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /a" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /l" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /k" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /c" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /b" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /w" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /p" jopaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\jopaf = "C:\\Users\\Admin\\jopaf.exe /f" jopaf.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 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe 472 jopaf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 472 jopaf.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1980 wrote to memory of 472 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 28 PID 1980 wrote to memory of 472 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 28 PID 1980 wrote to memory of 472 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 28 PID 1980 wrote to memory of 472 1980 b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.exe"C:\Users\Admin\AppData\Local\Temp\b57a34395c8785be58dd798d1cee317cd8f60034eeb0d2f6ae86b160782a3398.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:1980 -
C:\Users\Admin\jopaf.exe"C:\Users\Admin\jopaf.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:472
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
164KB
MD500143e2d8e004f52085ced9f683117eb
SHA125d0e9789015180a9d6c8e2acac33d108b8c4de4
SHA256b64f2d456f0ab61fa9a83311811d98105f15e468163fffb8a5857fd127380c27
SHA512cf9690c1da2814b89b0f9b47b63cb29bbf8ec0c36e794b417c41e27045e12ed8a295d8df9ed6d0811c8c12a471e4e3b27fcb9685b3b055087e387fe74c90048f
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Filesize
164KB
MD500143e2d8e004f52085ced9f683117eb
SHA125d0e9789015180a9d6c8e2acac33d108b8c4de4
SHA256b64f2d456f0ab61fa9a83311811d98105f15e468163fffb8a5857fd127380c27
SHA512cf9690c1da2814b89b0f9b47b63cb29bbf8ec0c36e794b417c41e27045e12ed8a295d8df9ed6d0811c8c12a471e4e3b27fcb9685b3b055087e387fe74c90048f
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Filesize
164KB
MD500143e2d8e004f52085ced9f683117eb
SHA125d0e9789015180a9d6c8e2acac33d108b8c4de4
SHA256b64f2d456f0ab61fa9a83311811d98105f15e468163fffb8a5857fd127380c27
SHA512cf9690c1da2814b89b0f9b47b63cb29bbf8ec0c36e794b417c41e27045e12ed8a295d8df9ed6d0811c8c12a471e4e3b27fcb9685b3b055087e387fe74c90048f
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Filesize
164KB
MD500143e2d8e004f52085ced9f683117eb
SHA125d0e9789015180a9d6c8e2acac33d108b8c4de4
SHA256b64f2d456f0ab61fa9a83311811d98105f15e468163fffb8a5857fd127380c27
SHA512cf9690c1da2814b89b0f9b47b63cb29bbf8ec0c36e794b417c41e27045e12ed8a295d8df9ed6d0811c8c12a471e4e3b27fcb9685b3b055087e387fe74c90048f