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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2024, 13:52
Static task
static1
Behavioral task
behavioral1
Sample
b249daf0948009ddb53bcd35551d4a93.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b249daf0948009ddb53bcd35551d4a93.exe
Resource
win10v2004-20240226-en
General
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Target
b249daf0948009ddb53bcd35551d4a93.exe
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Size
96KB
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MD5
b249daf0948009ddb53bcd35551d4a93
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SHA1
457255d503f2579acbab5a573d148e9ee5110ffa
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SHA256
40ef6cb2805f3147cebe8c2e7df6017236aa82dc7a43d343e581e120aa3af4d5
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SHA512
4382846583cdb3e7a0d6beb2176f546b6489df3658d50adf5c5814cd2f551d960aab00328143ddde42844a94471e435f0b83fcfb5a144a5666c42caabaec88e6
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SSDEEP
1536:f5N6Eg52M9tyVQO8P8ychcsx7wjj3RJNEo/knRzdnynE7RldNEP8lijOevNIjnZ9:fyE/Melychcs4zR3Ek65RldqvCnz
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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b249daf0948009ddb53bcd35551d4a93.exe Set value (int) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kaiupab.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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation b249daf0948009ddb53bcd35551d4a93.exe -
Executes dropped EXE 1 IoCs
pid Process 4352 kaiupab.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /r" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /n" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /O" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /w" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /p" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /Z" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /S" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /b" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /q" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /R" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /G" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /T" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /k" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /B" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /C" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /y" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /L" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /v" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /A" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /s" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /z" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /K" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /V" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /Y" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /X" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /g" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /E" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /D" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /t" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /l" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /d" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /a" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /N" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /W" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /m" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /F" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /h" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /x" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /i" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /u" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /Q" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /o" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /B" b249daf0948009ddb53bcd35551d4a93.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /f" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /I" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /P" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /J" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /H" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /c" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /U" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /M" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /e" kaiupab.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaiupab = "C:\\Users\\Admin\\kaiupab.exe /j" kaiupab.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2488 b249daf0948009ddb53bcd35551d4a93.exe 2488 b249daf0948009ddb53bcd35551d4a93.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe 4352 kaiupab.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2488 b249daf0948009ddb53bcd35551d4a93.exe 4352 kaiupab.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2488 wrote to memory of 4352 2488 b249daf0948009ddb53bcd35551d4a93.exe 92 PID 2488 wrote to memory of 4352 2488 b249daf0948009ddb53bcd35551d4a93.exe 92 PID 2488 wrote to memory of 4352 2488 b249daf0948009ddb53bcd35551d4a93.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\b249daf0948009ddb53bcd35551d4a93.exe"C:\Users\Admin\AppData\Local\Temp\b249daf0948009ddb53bcd35551d4a93.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:2488 -
C:\Users\Admin\kaiupab.exe"C:\Users\Admin\kaiupab.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:4352
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD5dcc7ae61e30cdde05fa28da5f6a6817f
SHA1fd2f8281936f1b2b9f47b27ff1852bb77315bff5
SHA2567ce0d632a28ee6903c47efcc39486d9749255bad30e3bb2dc44b524a2dc853a9
SHA512b6ae267afcf5f92782b17aec8e2f5829c690cacdfe4fd72bacf45547ddc6ef71c3c8356e842b60072299b3a593a2dcecbffc2b11d72fefbd2dde20de7f730705