Analysis
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max time kernel
440s -
max time network
441s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250113-en -
resource tags
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submitted
15-01-2025 20:13
General
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Target
ezz.exe
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Size
839KB
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MD5
fb5f2a9dc11615c13e4c82a40b9fc9d8
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SHA1
3016dcc9b220f466f149904ddf5fa37fe130c71d
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SHA256
590df9d725bd0779f6b4ad03e59c3be6c1b6682c8871eaaf44707fdc6688a5de
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SHA512
450cc8a0aae2110cd30fc6d89d37ac0364f56c281a4cc502e049579b17bf3d8e3cd66d2ca0308b05eb235431cd3dc3b8de860af5832415dc65c2f3d77b490249
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SSDEEP
24576:p0S04YNEMuExDiU6E5R9s8xY/2l/dLtnIbt+r8:ps4auS+UjfU2TLdIbt+r
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.
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Executes dropped EXE 1 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Drops file in System32 directory 3 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ezz.exe"C:\Users\Admin\AppData\Local\Temp\ezz.exe"1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
597B
MD5c2291863df7c2d3038ce3c22fa276506
SHA17b7d2bc07a6c35523807342c747c9b6a19f3184e
SHA25614504199bede3f46129969dbd2b7680f2e5b7fcd73a3e427ce1bb6217a6d13da
SHA51200bf40174a67e3e663d18a887c5b461a1e5ead0b27f0a139d87969158c58f4ca72cfa5a731dda239356192ca4cb5ac6ae2b0e37401d534e686cabacd3cbee8fa
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Filesize
21KB
MD5e854a4636afc652b320e12e50ba4080e
SHA18a4ac6ecc22ee5f3a8ec846d38b41ff18c641fdc
SHA25694b9c78c6fa2bf61fba20a08ad4563f7dd2f5668c28eff227965ce0a2032d5d5
SHA51230aabd5079b6ed0948eb70fd18e9166096e4ba5d1d47fc35b7270f931d19bbe6cd929b6010f70297bf5272dc5a79e2523721354d211c4080d68ad8d17e316118
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
5.7MB
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Filesize
4KB
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Filesize
144KB
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Filesize
4.8MB
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Filesize
624KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
96KB
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Filesize
128KB