Analysis

  • max time kernel
    1714s
  • max time network
    1621s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    11/01/2023, 00:05

General

  • Target

    xlsxflt.dll

  • Size

    329KB

  • MD5

    1eac9c3d11dc21613066a48ce4003a9b

  • SHA1

    2c18e97ccb0bc078c481a0bbb9d41d9eea07bb24

  • SHA256

    4e70af4aaefff115dc6a634123f3a5a237ab005ac76da7534c59e7ebba934ac0

  • SHA512

    e211fcef411a2a0a4009e5484ff0ce18f785d0773696460d1a219b7378fa52d263f379d9bbf254651a519375d08c9eec6a2a12e76701cf56f70d2298e3683105

  • SSDEEP

    6144:4Fi0wvsIeeCv4+s2F+hGKduopJ3a57FLPU9Cu2A9gAqn66IB1tbBPNkhXevePpUw:0VIezv4+s2FbKdu8a57FLPU9Cu29CTBI

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\xlsxflt.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\xlsxflt.dll,#1
      2⤵
        PID:3624

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads