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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 23:37

General

  • Target

    74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe

  • Size

    1.3MB

  • MD5

    7b945dde0bd07c1e3b9b08bab4271c21

  • SHA1

    fe4c743742c38bb89acffb1721876b791691e1b3

  • SHA256

    74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239

  • SHA512

    a84e30d03ab14d6f7519ab2b4618131f71532d4b9e20d6552ecdfb0bf073efd132316f9b3e2af49f4753476a49b85e69efa2c6701434deb5ed962204d76a1fb8

  • SSDEEP

    24576:gJ8ZkDnYhtxrBscQnKn6iXgmKsiYdGeSdRdqKw:68Zk7YhvrBscQK6iXHiiGpW5

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 21 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe
    "C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe
      "C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe
        "C:\Users\Admin\AppData\Local\Temp\74e49d3054faf8c80d3ab3b9be28f68e68d059175477573f9e5d88208684b239.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\asian fucking [bangbus] .zip.exe

    Filesize

    554KB

    MD5

    caffcaafaf0d5cee0ee9dff29d4bfaf1

    SHA1

    88b430abb19fbc3b75595e49b4a5d797648afc0e

    SHA256

    b2ab95c98222a2953c4f80c92b56f2df647c4258624da47f2b593ee1d7c1be3d

    SHA512

    0111d223fc3fef77ebea4ce1195c22b7104026e6866e2db202ec12c54af19896d1b6b0800dcb4e8cbcc21999602e64efa8c8961330b48a0289b30e8072d6d774

  • memory/1368-222-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-192-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-237-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-187-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-234-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-231-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-191-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-228-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-206-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-197-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-216-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-213-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-209-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-219-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1368-225-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2404-61-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2404-188-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2712-189-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2712-167-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB