Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
18/10/2024, 08:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe
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Size
128KB
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MD5
335fb257c43adb07144cc7969d3c9240
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SHA1
5215187049881cca84d48dd8587aa0b55e511e8f
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SHA256
eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561
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SHA512
cb93ced175d6e315b141e45031557cb2bd3e11a2bc0c72832ef67e9aaa785b22c0595a3af7e6d12270bfdc5c7b9634723a2dcb64567233b781f59819106f05dc
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SSDEEP
1536:KeJsio03hgIuFQFvHwd6PXOYb7gXWgWKsEHXNeG0h/y:dJsio0xg/FQByYb7gvsEwq
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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe Set value (int) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yioobu.exe -
Executes dropped EXE 1 IoCs
pid Process 492 yioobu.exe -
Loads dropped DLL 2 IoCs
pid Process 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /g" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /S" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /F" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /X" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /w" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /d" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /E" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /M" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /B" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /v" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /L" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /A" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /b" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /I" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /q" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /C" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /N" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /e" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /p" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /f" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /W" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /Q" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /O" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /P" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /H" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /S" eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /D" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /r" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /t" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /G" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /U" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /l" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /V" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /i" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /Y" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /x" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /o" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /T" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /z" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /Z" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /K" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /s" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /n" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /h" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /j" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /u" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /y" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /m" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /a" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /k" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /J" yioobu.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\yioobu = "C:\\Users\\Admin\\yioobu.exe /c" yioobu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yioobu.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe 492 yioobu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 492 yioobu.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1576 wrote to memory of 492 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 31 PID 1576 wrote to memory of 492 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 31 PID 1576 wrote to memory of 492 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 31 PID 1576 wrote to memory of 492 1576 eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe"C:\Users\Admin\AppData\Local\Temp\eac22093c6aeb6e2c5281d58f707e23b6cc68b9f48905be075b72a35d1b20561N.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1576 -
C:\Users\Admin\yioobu.exe"C:\Users\Admin\yioobu.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:492
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
128KB
MD5f15b7d471f60b2aa6078b9f933dedaea
SHA1b79bf34ab7a6249d2c247f1464728176a09008ee
SHA25658d144cc8f68de102808307469e7d203df95f71ef75ad90a92b03adc2cab0272
SHA512cc3985e75ec73f31b50977bd15257ef553de3c030f1b33502b8049c3bd12f6404c7e6ed8ae6d514efea2b95d072e402b311025faf1b7aeea646ee6edaf804f8d