Analysis
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max time kernel
145s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
18/11/2023, 01:43
Static task
static1
Behavioral task
behavioral1
Sample
48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe
Resource
win10v2004-20231020-en
General
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Target
48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe
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Size
169KB
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MD5
aa250f3849e9648c1638692c2102c162
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SHA1
b385df78db5e97d7eadfa15cd0bb43ea23bc0743
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SHA256
48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2
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SHA512
980633a4041d29b6cb679d94d125a1fb8a77209ad782b59cdba7fc81ca5ead3954a75fd68304b7a99a97764a4bd9f5c80c0ba22bb0bbab4c9920125f4b3c9e24
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SSDEEP
3072:AYiTpXEq7ndNiDDdwcwqKSncs4lzBAJ2BM5s4P:AYsrnLiDDKTs4lmJ2BM1
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files (x86)\Thunder Network\Thunder\卸载.bat 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe File opened for modification C:\Program Files (x86)\Thunder Network\Thunder\卸载.bat 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe File created C:\Program Files (x86)\Thunder Network\Thunder\run.vbs 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe File opened for modification C:\Program Files (x86)\Thunder Network\Thunder\run.vbs 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000_Classes\Local Settings 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5036 wrote to memory of 4264 5036 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe 87 PID 5036 wrote to memory of 4264 5036 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe 87 PID 5036 wrote to memory of 4264 5036 48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe"C:\Users\Admin\AppData\Local\Temp\48ff270e95a70781d3713f575ad17f72531b267f7b78605e892a838274f680b2.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5036 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\Thunder Network\Thunder\run.vbs"2⤵PID:4264
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD553d942f5744323de892bd5de39e99743
SHA18aa68e4e1fdf38ca3a64d13c0981628d1e3c9f12
SHA256a40cdb9173ec67a90f7464dc1b306f9796fa8526577f65c7f7c12cb4a1cc94b0
SHA512ae917cf0b1dbbd8c261cbb4ad14edac61260257cb385256e0773e22ebfae2357162ccbdda5ef54e60d7de9db62799d7450c1268b1aa27abdcd886b5b7773dd5a