Analysis
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max time kernel
163s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2022 21:41
Static task
static1
Behavioral task
behavioral1
Sample
f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe
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Size
128KB
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MD5
6f799fa431e75c8dce784154eb0b22ed
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SHA1
dd5952d5d0fba83057c2cff03167c400f7d71b76
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SHA256
f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76
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SHA512
244011e558b15590e604056cd4a47e610227070551509bd12f8c6b21eb0c3af7676c0283b2976543c93c9ebfcabe691933050a5a97fe5df4facf408191e17abc
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SSDEEP
3072:DSYyjLkn4keboiqIQ7Dq7E0zQLQQAEvEG:Dv4k87qIAq7E0zQLzAEh
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" xaioxo.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe -
Executes dropped EXE 1 IoCs
pid Process 3696 xaioxo.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 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /r" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /u" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /w" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /g" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /b" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /n" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /j" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /e" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /d" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /x" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /v" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /t" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /h" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /q" xaioxo.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /m" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /p" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /z" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /t" f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /y" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /l" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /s" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /a" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /o" xaioxo.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /i" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /k" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /f" xaioxo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xaioxo = "C:\\Users\\Admin\\xaioxo.exe /c" xaioxo.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 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe 3696 xaioxo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 3696 xaioxo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 728 wrote to memory of 3696 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 80 PID 728 wrote to memory of 3696 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 80 PID 728 wrote to memory of 3696 728 f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.exe"C:\Users\Admin\AppData\Local\Temp\f76fdfe53aa1435b9773e3893d70b71665926c1c60aa2b06725961d62a7fec76.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:728 -
C:\Users\Admin\xaioxo.exe"C:\Users\Admin\xaioxo.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:3696
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
128KB
MD545036ead45bc0dee46800bd1ad970aed
SHA10d72f253837f5195f1036b4998cc52698dcf7f9c
SHA25618b3ef0c30268584a565da602edc0cbf2aa1493c1ec09fa90f8c3b371382ce8f
SHA51221c6e450cf052bba79fd274cd0550b5102f91f3c24aff19e53d83c49a732890726550960a5a65f7ed0cc1cacae3e3cb35eb9b8119a4f39bc81cc1273212fe354
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Filesize
128KB
MD545036ead45bc0dee46800bd1ad970aed
SHA10d72f253837f5195f1036b4998cc52698dcf7f9c
SHA25618b3ef0c30268584a565da602edc0cbf2aa1493c1ec09fa90f8c3b371382ce8f
SHA51221c6e450cf052bba79fd274cd0550b5102f91f3c24aff19e53d83c49a732890726550960a5a65f7ed0cc1cacae3e3cb35eb9b8119a4f39bc81cc1273212fe354