Analysis
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max time kernel
152s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2022 15:52
Static task
static1
Behavioral task
behavioral1
Sample
f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe
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Size
244KB
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MD5
f41aa23c7f64db0256051af9e7d5a2f9
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SHA1
bdf33aeb2ffb48b7fb0df620dd572cdb05f2b2c8
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SHA256
f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d
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SHA512
a1ef709d7023512dfc95bd87ca8d115e64eebe428c9d0c3339bd6a4ff3030afabd7b274d43bff4b3c0322c3e10812fec16dc28b3949fc828abc2b69815601fce
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SSDEEP
6144:QIGQ+u5HAPkbZjPJDmlI/+dfkIOwgccXYJcmI3cvHQOFZayUa/nM2Q:VGQ+u5HAPk9rUoYJcmym0j
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kaauxe.exe -
Executes dropped EXE 1 IoCs
pid Process 1340 kaauxe.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 f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /N" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /n" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /K" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /r" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /R" kaauxe.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /B" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /u" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /H" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /I" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /X" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /z" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /P" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /a" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /g" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /x" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /L" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /V" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /q" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /D" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /Y" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /t" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /o" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /E" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /J" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /s" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /f" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /l" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /m" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /M" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /G" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /p" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /e" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /W" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /y" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /A" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /c" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /d" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /O" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /C" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /h" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /i" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /Z" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /v" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /U" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /k" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /S" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /T" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /j" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /w" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /b" kaauxe.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kaauxe = "C:\\Users\\Admin\\kaauxe.exe /Q" kaauxe.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 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe 1340 kaauxe.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5072 f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe 1340 kaauxe.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5072 wrote to memory of 1340 5072 f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe 77 PID 5072 wrote to memory of 1340 5072 f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe 77 PID 5072 wrote to memory of 1340 5072 f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe"C:\Users\Admin\AppData\Local\Temp\f272ad2b14063a65efa1bbee91945a1209e13368ba2c1a56b6ee49d416ce186d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Users\Admin\kaauxe.exe"C:\Users\Admin\kaauxe.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:1340
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
244KB
MD595cff8a58736d50ba429d5b271a66171
SHA19802c70b15c3f9b89e97edc984db755ccf78a5cb
SHA256cf91040e936fe5ec71f05402e41656d9597a681fe0bb9095643acc065c63759d
SHA51213bfcdc8efcb579f77404d8aa9b852214891d79f18176014aa25fc9b6c01069190b890c221abd7b63e53e7ca613aeeac4c3b726f2f560b5e6338f53825421fc8
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Filesize
244KB
MD595cff8a58736d50ba429d5b271a66171
SHA19802c70b15c3f9b89e97edc984db755ccf78a5cb
SHA256cf91040e936fe5ec71f05402e41656d9597a681fe0bb9095643acc065c63759d
SHA51213bfcdc8efcb579f77404d8aa9b852214891d79f18176014aa25fc9b6c01069190b890c221abd7b63e53e7ca613aeeac4c3b726f2f560b5e6338f53825421fc8