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Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
06/04/2024, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe
Resource
win10v2004-20231215-en
General
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Target
6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe
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Size
100KB
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MD5
57d5717cf3b20b62a91e517ef7ed20af
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SHA1
7818ab2a4094a0b92dbf200f41aca8567684d992
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SHA256
6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa
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SHA512
78c6d89ce789018e8368304293674372ae47e75934cbfcfed4d08e3bba328c3a95e2fffcd206dbaa7e6dc932fdd884377213b30a2012b576fe168378e2eeb1f8
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SSDEEP
1536:26S5c/7Xp4BNRXAEwqScgDz0Bg2PDXJRde/S9FMYVwt+QaMxS+XjLlm:dd4zDfDXJVa+sS+3s
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" guoita.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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe -
Executes dropped EXE 1 IoCs
pid Process 3456 guoita.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /z" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /r" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /o" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /j" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /v" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /d" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /t" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /f" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /k" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /f" 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /q" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /x" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /e" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /c" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /a" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /l" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /y" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /s" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /i" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /p" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /u" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /g" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /h" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /n" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /b" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /m" guoita.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\guoita = "C:\\Users\\Admin\\guoita.exe /w" guoita.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 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe 3456 guoita.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 3456 guoita.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1536 wrote to memory of 3456 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 87 PID 1536 wrote to memory of 3456 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 87 PID 1536 wrote to memory of 3456 1536 6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.exe"C:\Users\Admin\AppData\Local\Temp\6a6419557a47b57f2dc273f52aa273f543f333a611b53a567d68972a6e1c8efa.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:1536 -
C:\Users\Admin\guoita.exe"C:\Users\Admin\guoita.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:3456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
100KB
MD56789a12d890edcb0f91874e6b0e70e3b
SHA15db4856d60da74d3900b4cf958e5e66e100a45d6
SHA256cd71d820ddb1b199c360f30f65f302e092ff8a3949903cb226e94c94afc1770f
SHA5122950b8ef74df3f2df42e338b34c32f237fa6179da38e4fe1d4f814edc6b57b5b194244060fa9d5b9eb76133d1ac8411ecd43de08c8db37aa7fe3f00f9429da22