Analysis
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max time kernel
120s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/09/2024, 07:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
Behavioral task
behavioral2
Sample
355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe
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Size
284KB
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MD5
7eed0ac1051450f968d7e8f85a4da8d0
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SHA1
3b9f029feb363f7ee8eff67f7cb8dab4dbee2d1f
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SHA256
355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701c
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SHA512
d75394e338e708a58b632790606c71ebd8166a8c9c0d5c282f867009e4bf01be541756c214ee6538615ec5de3d53d42420de952e5c83fab7f92d2995ee8605fc
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SSDEEP
6144:R372ituChL5Rjda3P/fis6Do/uP+tFb84ly7aA:J72ituCF5xI3PH96DoWPYb8z
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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe Set value (int) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yiiah.exe -
Executes dropped EXE 1 IoCs
pid Process 2740 yiiah.exe -
Loads dropped DLL 2 IoCs
pid Process 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /J" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /c" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /z" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /R" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /v" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /l" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /u" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /U" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /h" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /O" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /I" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /Z" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /C" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /a" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /d" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /E" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /q" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /K" 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /L" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /N" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /D" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /G" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /r" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /b" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /P" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /B" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /s" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /S" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /k" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /t" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /W" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /p" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /w" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /m" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /g" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /K" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /V" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /f" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /n" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /Q" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /e" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /T" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /M" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /Y" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /F" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /j" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /y" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /o" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /H" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /X" yiiah.exe Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\yiiah = "C:\\Users\\Admin\\yiiah.exe /x" yiiah.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 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yiiah.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe 2740 yiiah.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 2740 yiiah.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2908 wrote to memory of 2740 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 30 PID 2908 wrote to memory of 2740 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 30 PID 2908 wrote to memory of 2740 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 30 PID 2908 wrote to memory of 2740 2908 355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.exe"C:\Users\Admin\AppData\Local\Temp\355056eb36b3f69952499cbf4c1b55855185c485c30cdb5c08732a815f41701cN.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:2908 -
C:\Users\Admin\yiiah.exe"C:\Users\Admin\yiiah.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:2740
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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
Loading Replay Monitor...
Downloads
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Filesize
284KB
MD5103a17435841d7f974e1e326db13b048
SHA1df804cf12ac54bf0e456efb85941225623ddec5c
SHA2566d8170f84d0f610d2df74d414b508e1c99f25c3dc942aeb6f76f3f4e8676823a
SHA512e294662612ab1677dba79adb8b7567eee664ea10663f8c861f8ee69e8a9845995b77187b623ee5b26d059a760495226f2047144fa07619678826ee9c6c615f5f