Analysis
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max time kernel
152s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
16/10/2023, 17:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
NEAS.247d090005b7dcb94665baffd5707f70_JC.exe
Resource
win7-20230831-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
NEAS.247d090005b7dcb94665baffd5707f70_JC.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
NEAS.247d090005b7dcb94665baffd5707f70_JC.exe
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Size
136KB
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MD5
247d090005b7dcb94665baffd5707f70
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SHA1
dfbce6320b9eec7b5159270ebe41e7516903bc39
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SHA256
05977cee76a34069f354aec2e69d6b55d58bbdc3481c7948d2beb4af0ee6904d
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SHA512
2a0568f968ba431a003b3f403a716396d962b26c7c8d101756b16606e0cb8e0cef6b385f86f7e5c64092084c863a467151fcb794ce8202006f471c11b3f23fe5
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SSDEEP
3072:Bm/hJwjBfQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegmG:BmZUQn7WbIqH0ybZBiOllyE5D+aVkjse
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kauacow.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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation NEAS.247d090005b7dcb94665baffd5707f70_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 4908 kauacow.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /o" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /h" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /F" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /G" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /N" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /H" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /E" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /B" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /Y" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /u" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /X" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /g" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /f" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /q" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /v" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /r" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /l" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /K" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /V" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /p" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /b" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /R" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /C" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /S" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /t" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /d" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /Q" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /I" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /e" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /c" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /Z" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /O" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /A" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /J" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /M" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /P" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /D" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /L" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /s" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /z" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /y" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /i" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /j" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /a" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /U" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /T" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /m" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /W" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /w" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /k" kauacow.exe Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kauacow = "C:\\Users\\Admin\\kauacow.exe /x" kauacow.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 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe 4908 kauacow.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 636 NEAS.247d090005b7dcb94665baffd5707f70_JC.exe 4908 kauacow.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 636 wrote to memory of 4908 636 NEAS.247d090005b7dcb94665baffd5707f70_JC.exe 83 PID 636 wrote to memory of 4908 636 NEAS.247d090005b7dcb94665baffd5707f70_JC.exe 83 PID 636 wrote to memory of 4908 636 NEAS.247d090005b7dcb94665baffd5707f70_JC.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.247d090005b7dcb94665baffd5707f70_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.247d090005b7dcb94665baffd5707f70_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Users\Admin\kauacow.exe"C:\Users\Admin\kauacow.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:4908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
136KB
MD5c821dba4c85b4c82f5371292c0a858a4
SHA1369995bc32b11e4a10b6d0b34e6a7fd99f994b63
SHA2563fa9e16d574239d5bafcf11b5080d0b8bf570b82b0516db2fa872a3bf65a19ca
SHA5120945e0082efffda4d869d34e3e79f54ede8233314d591b88dbb83f2cfed664c15355ad4bcaa65de38ea7dc0b40affeff4f459f3d1cf59f95bbc23ba276e55aec
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Filesize
136KB
MD5c821dba4c85b4c82f5371292c0a858a4
SHA1369995bc32b11e4a10b6d0b34e6a7fd99f994b63
SHA2563fa9e16d574239d5bafcf11b5080d0b8bf570b82b0516db2fa872a3bf65a19ca
SHA5120945e0082efffda4d869d34e3e79f54ede8233314d591b88dbb83f2cfed664c15355ad4bcaa65de38ea7dc0b40affeff4f459f3d1cf59f95bbc23ba276e55aec
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Filesize
136KB
MD5c821dba4c85b4c82f5371292c0a858a4
SHA1369995bc32b11e4a10b6d0b34e6a7fd99f994b63
SHA2563fa9e16d574239d5bafcf11b5080d0b8bf570b82b0516db2fa872a3bf65a19ca
SHA5120945e0082efffda4d869d34e3e79f54ede8233314d591b88dbb83f2cfed664c15355ad4bcaa65de38ea7dc0b40affeff4f459f3d1cf59f95bbc23ba276e55aec