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Analysis
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max time kernel
142s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23/04/2024, 00:12
Behavioral task
behavioral1
Sample
808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe
Resource
win10v2004-20240412-en
General
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Target
808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe
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Size
3.0MB
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MD5
e214dab7b180bd805ada1e3fbaeef40b
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SHA1
bb2b42453ba08cf9e6dc4170d5a78501bfc7cc77
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SHA256
808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a
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SHA512
2076cf471d4eac2ec82554a540f6432e244e1f55c0b7235200e84db12111effc1dcbff3608bbf97f1449b31e9bf4183a8638c1392179274c82afba66b46bdccf
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SSDEEP
49152:LZnCRw3438x0TVDKNxOafuUYUc9no2IWkAyf1CQ+v5XxCv6PxJx7:LARw3UJKHOa/Xffs0S5T7
Malware Config
Signatures
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UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule behavioral2/memory/1808-0-0x0000000000490000-0x0000000000E55000-memory.dmp UPX behavioral2/memory/1808-36-0x0000000000490000-0x0000000000E55000-memory.dmp UPX -
resource yara_rule behavioral2/memory/1808-0-0x0000000000490000-0x0000000000E55000-memory.dmp upx behavioral2/memory/1808-36-0x0000000000490000-0x0000000000E55000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4768 1808 WerFault.exe 83 -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe = "11001" 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1808 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe 1808 808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe"C:\Users\Admin\AppData\Local\Temp\808434efa099ff405953b42e351cf5730b4b6b7464d9a50802d4c08352cf508a.exe"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1808 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 17882⤵
- Program crash
PID:4768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1808 -ip 18081⤵PID:3136
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD5fb970bc9889933229160723a60571dde
SHA1b1b68348b77101b31bea510311c6e85451f833fc
SHA25639e34fc3dfd74d25631ea2fecaca70a5d767b5f3f40f24380237dc06a80252e2
SHA51265c4b44e42c7d94a89be9b18ef7589f16f247f47f459da2e8b59b4ffbbba25cbb07971f8484e9bc25bd8c6f953a291ab9384a154aab9ad1572375b3b30c31886
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Filesize
426B
MD5a28ab17b18ff254173dfeef03245efd0
SHA1c6ce20924565644601d4e0dd0fba9dde8dea5c77
SHA256886c0ab69e6e9d9d5b5909451640ea587accfcdf11b8369cad8542d1626ac375
SHA5129371a699921b028bd93c35f9f2896d9997b906c8aba90dd4279abba0ae1909a8808a43bf829584e552ccfe534b2c991a5a7e3e3de7618343f50b1c47cff269d6