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Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230824-en
  • resource tags

    arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 00:03

General

  • Target

    ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1.exe

  • Size

    1.2MB

  • MD5

    ad25aad6debda8adce397f161309a5be

  • SHA1

    f163544c66a1f37ff2bebd3cc532fb6f97413c96

  • SHA256

    ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1

  • SHA512

    0683c470607b364af2cef82f46f7e70e670918100f2ac248722c41fff54f94b5371d07f0244dd8091b1b92e41a81a369873f9d3feaf2f250b5cc3983fa3a51ba

  • SSDEEP

    12288:TIzIM4/h0cRjG/kvMTheu8WDY3HlHgUoSPL/W/ZlW+V1jrpduBgVXceR5+n1pwGO:TX/h0cEnh8WD8lHvWjW+DXpArdPM9

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 15 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1.exe
    "C:\Users\Admin\AppData\Local\Temp\ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Local\Temp\ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1.exe
      "C:\Users\Admin\AppData\Local\Temp\ceff6562454eea82fd35f2d83bf92c8e98a615bdaca6f9244215c1d918d186b1.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 244
        3⤵
        • Program crash
        • Suspicious behavior: GetForegroundWindowSpam
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ose00000.exe

    Filesize

    150KB

    MD5

    6e6d9a77a1e880cfed5acf124391136c

    SHA1

    36780995361e7b15f1d407b42ad5e99da5e6dcbc

    SHA256

    a3b7e98075a00cea0837e9af8b405f666915e717ba0cbeb7f1e2cc47f8ea8d4c

    SHA512

    96f6d40323f32abd98f028f0ee1f873b728308b707af6aa7c32903e778eef27cbd81ced0752e9d23f62558666926535a62aff45d1171149db1550a9b7150623a

  • memory/1076-0-0x0000000000F60000-0x00000000010F4AB4-memory.dmp

    Filesize

    1.6MB

  • memory/1076-1-0x0000000000A00000-0x0000000000B95000-memory.dmp

    Filesize

    1.6MB

  • memory/1076-365-0x0000000000A00000-0x0000000000B95000-memory.dmp

    Filesize

    1.6MB

  • memory/2220-2-0x0000000000F60000-0x00000000010F4AB4-memory.dmp

    Filesize

    1.6MB

  • memory/3024-4-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/3024-5-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB

  • memory/3024-6-0x0000000000370000-0x0000000000371000-memory.dmp

    Filesize

    4KB