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Analysis
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max time kernel
151s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 00:20
Static task
static1
Behavioral task
behavioral1
Sample
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe
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Size
288KB
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MD5
a33dc2419bf20f4a420c7ad3ffe24c70
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SHA1
bbdd774c80bbf26754653ff82da09055421e1151
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SHA256
7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4
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SHA512
51bd4067a297f700100ffc68c7ef0e824deaada3255f2375f6c05d6f37f296c1029ce8b76d3d56934b90ec5b821155fb02644101941ce302d397d03b5830a978
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SSDEEP
3072:AU0n63hQdiOOZAksTCPkix7Fe7dEN8EXgNqf5cTrWi6ei2uiTbtTmH8Fe90p06tU:70dimbYJFsE0NMCP6wJYj8t/x6
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kaoola.exe -
Executes dropped EXE 1 IoCs
pid Process 4672 kaoola.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /j" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /a" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /P" 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /M" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /X" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /V" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /r" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /Q" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /I" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /A" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /O" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /h" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /i" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /N" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /u" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /z" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /g" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /f" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /B" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /p" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /G" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /K" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /l" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /U" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /o" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /E" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /m" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /C" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /k" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /s" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /R" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /W" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /S" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /L" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /v" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /n" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /F" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /x" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /y" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /Z" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /t" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /b" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /H" kaoola.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /c" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /w" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /T" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /D" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /J" kaoola.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /e" kaoola.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaoola = "C:\\Users\\Admin\\kaoola.exe /q" kaoola.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 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe 4672 kaoola.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 4672 kaoola.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4124 wrote to memory of 4672 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 83 PID 4124 wrote to memory of 4672 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 83 PID 4124 wrote to memory of 4672 4124 7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.exe"C:\Users\Admin\AppData\Local\Temp\7344dc9f4793e75028437024c45b37fa69f38ed5588a96c4ce73318c1008e0f4.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:4124 -
C:\Users\Admin\kaoola.exe"C:\Users\Admin\kaoola.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:4672
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
288KB
MD52c25c1ef0959993021be3d7b8d9b4544
SHA11c909c582422bbeceb06994211f449536199db68
SHA256ac0e86d905f4b76a54dab74356b22deca2b28c5fdb74ed01db2f6c722eda7a41
SHA5129eeec25ab66890dab344949d967ee3ef7cd777e26e4cabedd67b3b4e3a3bc82a1a54abc4b7bb92df6a0a129b7e5388f665398134977641850e412e9d35bd004f
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Filesize
288KB
MD52c25c1ef0959993021be3d7b8d9b4544
SHA11c909c582422bbeceb06994211f449536199db68
SHA256ac0e86d905f4b76a54dab74356b22deca2b28c5fdb74ed01db2f6c722eda7a41
SHA5129eeec25ab66890dab344949d967ee3ef7cd777e26e4cabedd67b3b4e3a3bc82a1a54abc4b7bb92df6a0a129b7e5388f665398134977641850e412e9d35bd004f