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Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 20:32

General

  • Target

    5b22095d459789fb7fec4eb7e019b4722a05d580e94f5262ff4eb76f8035e67d.exe

  • Size

    248KB

  • MD5

    59d1930d65dccb7a869f1de656f66117

  • SHA1

    7b87d2b84144b34b926404e6c4f5f0bda26d9795

  • SHA256

    5b22095d459789fb7fec4eb7e019b4722a05d580e94f5262ff4eb76f8035e67d

  • SHA512

    da76ceac4c73298395396b442e4e9128e1015779bd003a938796576a5739f36bfba97fbeb215907d1a4d86d55c583a302255bca5d6915c74b63dc94f32cd181e

  • SSDEEP

    3072:mW6hAY6DxQKBL+UjcjR/6HAQ8S138WtA7Kzfk0sa73:mW6hINR+Uwl6HlXA78fJsa73

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 4 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b22095d459789fb7fec4eb7e019b4722a05d580e94f5262ff4eb76f8035e67d.exe
    "C:\Users\Admin\AppData\Local\Temp\5b22095d459789fb7fec4eb7e019b4722a05d580e94f5262ff4eb76f8035e67d.exe"
    1⤵
    • Drops file in Program Files directory
    PID:2028
  • C:\PROGRA~3\Mozilla\npprbsm.exe
    C:\PROGRA~3\Mozilla\npprbsm.exe -eqrcqtf
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    PID:5036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Mozilla\npprbsm.exe

    Filesize

    248KB

    MD5

    409353de88d03405c61929a03692e8a3

    SHA1

    e22468c915ed391eaf8a3d81f74a6a0add449d3c

    SHA256

    9825769d552f4cedff09c8372924fcf3a393bcb7e0a8515a81d0c30701dc2376

    SHA512

    f1301925b402cab255fe8542e643a12c6898f515a94e8a6ecb35c5918ff1d90a7cdf5fdcf57bcedd3a4b0c40923e5ce72ec94fe26825fc77243910bfb80ae642

  • memory/2028-0-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2028-1-0x00000000009E0000-0x0000000000A3B000-memory.dmp

    Filesize

    364KB

  • memory/2028-9-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/5036-10-0x0000000000D80000-0x0000000000DDB000-memory.dmp

    Filesize

    364KB

  • memory/5036-16-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB