Analysis

  • max time kernel
    175s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 12:36

General

  • Target

    Americanas -NFE -360632844-201501002.dll

  • Size

    517KB

  • MD5

    533702004235cdaaddd7d239a7cfc142

  • SHA1

    49f58d942e7ac92684d73d43f748597baebb889e

  • SHA256

    346ed2a824e69624eeffc71da903832989fd652bb52b34940834281d643dbeb1

  • SHA512

    085fc65e2d390cbab9bcd1b2bb63316090168fca050259119f27daa2fb4e0bef7fae75d2fdbc2f6a725cc5503963f6a7e1eccb46f7ab23872e5e7682b687a06a

  • SSDEEP

    6144:+bQwgyRk2K2V8YFp63qsRep51fpbV300Mq1l9Y/tRahLA4SN9SoN7evtdkErwSo5:bbg4TsfxZ1lUtopA4SN9Sg7eLlRfml

Score
8/10

Malware Config

Signatures

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Americanas -NFE -360632844-201501002.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Americanas -NFE -360632844-201501002.dll",#1
      2⤵
        PID:3432

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3432-132-0x0000000000000000-mapping.dmp
    • memory/3432-133-0x0000000000820000-0x000000000094F000-memory.dmp
      Filesize

      1.2MB

    • memory/3432-135-0x0000000000820000-0x000000000094F000-memory.dmp
      Filesize

      1.2MB