Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24/11/2022, 00:15
Static task
static1
Behavioral task
behavioral1
Sample
1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe
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Size
316KB
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MD5
44d9cc439efcab75f069ffafb26104f8
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SHA1
0f4ce6742b6d896d3a645955dc7f8a56a7ab3918
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SHA256
1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a
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SHA512
10361976bbd512468aa0ddb9e0e6d12bba869c7b4cf1377cbbfeaa1f4ddf8f252dd47b9823584b60c5a7e17a7f96c2a4e2839a20569a9cf3958340250ac2d1ad
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SSDEEP
6144:a/JVYOHayCTEtWff9nQMdkxIV0OQbtoBOm8ntGUcF6/DsEfNXqkELk:QJVYOHy9YxIMoYmtyIxk
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yueal.exe -
Executes dropped EXE 1 IoCs
pid Process 1576 yueal.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /Y" 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /c" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /Y" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /S" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /D" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /O" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /p" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /f" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /h" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /j" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /B" yueal.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /R" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /U" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /C" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /t" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /i" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /K" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /d" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /N" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /q" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /L" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /I" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /a" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /o" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /u" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /J" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /s" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /m" yueal.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /A" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /g" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /r" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /Q" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /y" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /e" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /W" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /E" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /P" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /X" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /F" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /w" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /z" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /V" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /T" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /b" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /M" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /H" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /Z" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /l" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /G" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /n" yueal.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yueal = "C:\\Users\\Admin\\yueal.exe /v" yueal.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 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe 1576 yueal.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 1576 yueal.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3660 wrote to memory of 1576 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 83 PID 3660 wrote to memory of 1576 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 83 PID 3660 wrote to memory of 1576 3660 1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe"C:\Users\Admin\AppData\Local\Temp\1e39ab69a3901d5f6184c9ff2049d738f9ef5e6cd40c00ed205058bda06f281a.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3660 -
C:\Users\Admin\yueal.exe"C:\Users\Admin\yueal.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:1576
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
316KB
MD537545934bd4b967da21325ff12b881db
SHA14e85b97b2c5658c420c26c5116641eccc2f4a694
SHA2560d0963d39b3f3c4a6617ee003287187a9d43853627c3a0a19759c6357b61edba
SHA512c16c298bfaefbdb34ebc414c6ab24d97b033cd5e714f8d4c2b4894431ba1fbedb172a2cfe3529b49455ddf2b434f5bbb5016553987147ae831b3604532ccbf6d
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Filesize
316KB
MD537545934bd4b967da21325ff12b881db
SHA14e85b97b2c5658c420c26c5116641eccc2f4a694
SHA2560d0963d39b3f3c4a6617ee003287187a9d43853627c3a0a19759c6357b61edba
SHA512c16c298bfaefbdb34ebc414c6ab24d97b033cd5e714f8d4c2b4894431ba1fbedb172a2cfe3529b49455ddf2b434f5bbb5016553987147ae831b3604532ccbf6d