Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe
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Size
353KB
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MD5
7a317a90e522efdcc5e1b861be498e69
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SHA1
350436c4dbeb669e1ec25130111c36030e993758
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SHA256
056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86
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SHA512
469fce6ec7972259b7265d676091b0596a6616ffea49d5d40aaf8ed3c8ec11daf67f3cc3157a5082bf455b9936c95ab856db3af1c280e88d4f6512e13c43e0c1
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SSDEEP
6144:facz5nqtrZjQCBBvfmge2uXOyDDaX66UEbuGHAceNEFKLrLRKD7ucfnxh4B7yCJ8:faWnqtti9K5CooEeOnioT
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" foiukun.exe -
Executes dropped EXE 1 IoCs
pid Process 1480 foiukun.exe -
Loads dropped DLL 2 IoCs
pid Process 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /g" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /i" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /d" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /m" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /p" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /y" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /x" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /b" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /r" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /c" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /z" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /n" foiukun.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /s" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /k" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /v" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /q" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /e" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /t" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /d" 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /u" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /j" foiukun.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /a" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /f" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /w" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /o" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /l" foiukun.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\foiukun = "C:\\Users\\Admin\\foiukun.exe /h" foiukun.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 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe 1480 foiukun.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 1480 foiukun.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 112 wrote to memory of 1480 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 27 PID 112 wrote to memory of 1480 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 27 PID 112 wrote to memory of 1480 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 27 PID 112 wrote to memory of 1480 112 056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.exe"C:\Users\Admin\AppData\Local\Temp\056b1e5926e6ed33794e572c97c30d1ecf802ae38637cfb556008cf44e9c2f86.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:112 -
C:\Users\Admin\foiukun.exe"C:\Users\Admin\foiukun.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:1480
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
353KB
MD58f39f6701bd6b90c7c6856e8e0784ac4
SHA1e5cbdd113470f01a1d5fe9854fe7d4eb7f37b63e
SHA256b8b493d56a1ece4d19c5e148334d763806a58d83fefb867cc9006f37dbfcf5b8
SHA5120cc00947b6de49c2696799014158381e82ae089a31655a4dbafbf924ef48e515e8bff6e249eaf5751cfd9e283f188ffa34b932ca31d65b1f13347ad47ceae3d1
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Filesize
353KB
MD58f39f6701bd6b90c7c6856e8e0784ac4
SHA1e5cbdd113470f01a1d5fe9854fe7d4eb7f37b63e
SHA256b8b493d56a1ece4d19c5e148334d763806a58d83fefb867cc9006f37dbfcf5b8
SHA5120cc00947b6de49c2696799014158381e82ae089a31655a4dbafbf924ef48e515e8bff6e249eaf5751cfd9e283f188ffa34b932ca31d65b1f13347ad47ceae3d1
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Filesize
353KB
MD58f39f6701bd6b90c7c6856e8e0784ac4
SHA1e5cbdd113470f01a1d5fe9854fe7d4eb7f37b63e
SHA256b8b493d56a1ece4d19c5e148334d763806a58d83fefb867cc9006f37dbfcf5b8
SHA5120cc00947b6de49c2696799014158381e82ae089a31655a4dbafbf924ef48e515e8bff6e249eaf5751cfd9e283f188ffa34b932ca31d65b1f13347ad47ceae3d1
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Filesize
353KB
MD58f39f6701bd6b90c7c6856e8e0784ac4
SHA1e5cbdd113470f01a1d5fe9854fe7d4eb7f37b63e
SHA256b8b493d56a1ece4d19c5e148334d763806a58d83fefb867cc9006f37dbfcf5b8
SHA5120cc00947b6de49c2696799014158381e82ae089a31655a4dbafbf924ef48e515e8bff6e249eaf5751cfd9e283f188ffa34b932ca31d65b1f13347ad47ceae3d1