Analysis
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max time kernel
151s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe
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Size
260KB
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MD5
6b44d414afcf789ba4bbb6aa681768a9
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SHA1
ee80cabfb1f64c3d79bb1e47003324c073b8b20d
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SHA256
b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86
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SHA512
401b21d08ac645da52ce11d8d4e00ab6a169ea1fd04ad45b98c4f9a46cce71c11d93ef7686bfeaeb05f82462a2c44bda14a94826dbc42f88a3e1437363e9e612
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SSDEEP
6144:hjOxrVG3zzyXcM9ZoxtoFIZ93Cv8A/DPPiZi6Y:CIzzyXcM9ZoxtoFIZ93Cv8A/DXaY
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kazum.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe -
Executes dropped EXE 1 IoCs
pid Process 936 kazum.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /l" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /p" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /O" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /e" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /z" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /E" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /D" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /u" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /J" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /d" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /N" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /h" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /C" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /v" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /m" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /R" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /W" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /H" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /f" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /k" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /K" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /V" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /j" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /M" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /w" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /n" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /B" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /Q" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /b" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /o" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /X" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /g" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /F" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /y" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /Y" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /Z" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /I" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /P" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /U" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /S" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /x" kazum.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /T" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /s" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /A" kazum.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /N" b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /i" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /t" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /r" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /c" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /a" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /L" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /G" kazum.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kazum = "C:\\Users\\Admin\\kazum.exe /q" kazum.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 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe 936 kazum.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 936 kazum.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1180 wrote to memory of 936 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 80 PID 1180 wrote to memory of 936 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 80 PID 1180 wrote to memory of 936 1180 b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.exe"C:\Users\Admin\AppData\Local\Temp\b469fce9477dc74bcf096ead1bd639ea410a649033dd98da595faeb9198f4f86.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:1180 -
C:\Users\Admin\kazum.exe"C:\Users\Admin\kazum.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:936
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD5b9242edad9e7579d83435c5109eeb2ee
SHA12bde6f3e13937c30da8d1074254d7b36f48b9b8a
SHA256c2b52ddacdab07416be49f40060ee143346654d86829b483141657f88c4a6c2a
SHA51250e478e1e17f376e32ac4d8dc0c2273d9052bc1cf933b7270007f130b5ad53cf43b05feb8acd731fe1a31da8355ca419a45aa5b3bb0b92c19f4f03792afe506c
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Filesize
260KB
MD5b9242edad9e7579d83435c5109eeb2ee
SHA12bde6f3e13937c30da8d1074254d7b36f48b9b8a
SHA256c2b52ddacdab07416be49f40060ee143346654d86829b483141657f88c4a6c2a
SHA51250e478e1e17f376e32ac4d8dc0c2273d9052bc1cf933b7270007f130b5ad53cf43b05feb8acd731fe1a31da8355ca419a45aa5b3bb0b92c19f4f03792afe506c