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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/01/2025, 03:57

General

  • Target

    ac2dcad84e5afb8bb3537173d2aac30d01dbad07bc88579573cf41891cf090e5N.exe

  • Size

    576KB

  • MD5

    352bbdf2ad3709f9a61083588ba36ca0

  • SHA1

    3df36d3f29d9592af584eb5bc7b8a501aa6f2afd

  • SHA256

    ac2dcad84e5afb8bb3537173d2aac30d01dbad07bc88579573cf41891cf090e5

  • SHA512

    79cc275ab9a4e842a9e9bd203db39b793f46767cafa3b06cd107f92640d62b8c7d719aab6c3a852a16270eae421ecb35840e215e39f22d4052e2156d26e6ff7d

  • SSDEEP

    12288:TxEDAi++Ryo2LbaHkrd7TkTvvrL+2ZBM8:3L+RXzkp7iX/VBM8

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac2dcad84e5afb8bb3537173d2aac30d01dbad07bc88579573cf41891cf090e5N.exe
    "C:\Users\Admin\AppData\Local\Temp\ac2dcad84e5afb8bb3537173d2aac30d01dbad07bc88579573cf41891cf090e5N.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2756-0-0x0000000000400000-0x00000000005AA000-memory.dmp

    Filesize

    1.7MB

  • memory/2756-1-0x0000000000427000-0x0000000000429000-memory.dmp

    Filesize

    8KB

  • memory/2756-2-0x0000000000400000-0x00000000005AA000-memory.dmp

    Filesize

    1.7MB