Analysis
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max time kernel
156s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-10-2022 19:50
Static task
static1
Behavioral task
behavioral1
Sample
117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe
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Size
120KB
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MD5
75135674e6ea82a548aa442f084b7d12
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SHA1
5cbd0a9e78ca6e9e6af86fac131381858b961643
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SHA256
117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96
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SHA512
eb9ad0ba43e261e4b649183330f08841cbce25f88590a63f95f351b2715a4202eb90f609f07d224ecc1b521160fc8d63e3459f8edd275329f402bc921d86ea9f
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SSDEEP
3072:XewtgqDkr13LIaYnoPMhR9HtKI0c5wB8PEX:XIkI13LIn5RxIq5688
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" 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kiacoo.exe -
Executes dropped EXE 1 IoCs
pid Process 1420 kiacoo.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 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /p" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /V" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /o" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /c" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /b" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /D" 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /i" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /x" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /k" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /F" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /N" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /v" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /d" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /y" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /s" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /t" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /g" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /D" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /f" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /C" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /M" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /l" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /H" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /K" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /O" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /X" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /J" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /z" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /B" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /Q" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /W" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /Y" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /S" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /P" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /m" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /a" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /h" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /G" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /u" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /I" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /Z" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /E" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /j" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /A" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /w" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /q" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /e" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /U" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /r" kiacoo.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /R" kiacoo.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kiacoo = "C:\\Users\\Admin\\kiacoo.exe /n" kiacoo.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 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe 1420 kiacoo.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 1420 kiacoo.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4824 wrote to memory of 1420 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 82 PID 4824 wrote to memory of 1420 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 82 PID 4824 wrote to memory of 1420 4824 117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.exe"C:\Users\Admin\AppData\Local\Temp\117a9251cd05fd9d90732646ff99b38c607bc6910bd035a3deb376783f89bc96.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:4824 -
C:\Users\Admin\kiacoo.exe"C:\Users\Admin\kiacoo.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:1420
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
120KB
MD5421eb58a3cb60d00c2c3bf96c841550d
SHA1892ea45b0329d3ba1af47a5c741ec4f39034d3f2
SHA25685f3ea15f8886bcd7cefc10354533f9ee4cde84ee8f3b7f2b2e8d839ac021acc
SHA512e48e6d3aebc469a6cc25c7438d086acbf8860af4c30126526c0975298be90ed8ec9522974d04c776c77567df93ca3437f7d49b90b5227138434e7b5610e7b7ea
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Filesize
120KB
MD5421eb58a3cb60d00c2c3bf96c841550d
SHA1892ea45b0329d3ba1af47a5c741ec4f39034d3f2
SHA25685f3ea15f8886bcd7cefc10354533f9ee4cde84ee8f3b7f2b2e8d839ac021acc
SHA512e48e6d3aebc469a6cc25c7438d086acbf8860af4c30126526c0975298be90ed8ec9522974d04c776c77567df93ca3437f7d49b90b5227138434e7b5610e7b7ea