Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:40

General

  • Target

    FACTURA pdf.exe

  • Size

    185KB

  • MD5

    3cc5bf8f226d21e14e5f36e1f242b416

  • SHA1

    75acf1e4d01fd540a98e0c72c211789a8424b5b6

  • SHA256

    716d96b8ceacc99b43b150079f2174dce724515597f4a9a433cfdd577eb27cc1

  • SHA512

    81a74e98974d0cebbf299ab6024ec50fcebc26ba63780bd008dba464a6c93571df3580fd48a1f78075b17e561d646d85dbdd97b7dac5e7f2e56664c15573792e

  • SSDEEP

    3072:RtSBOyX9F2dcVSbUo/L7mogM09j4LdfauVVHJQW8fYRLtQXxUlRaZtnXVrei6NZQ:RC2zUkLgMZauzJneCeZZXBiNuX

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    PID:2764

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nshC00B.tmp\System.dll
    Filesize

    11KB

    MD5

    2ae993a2ffec0c137eb51c8832691bcb

    SHA1

    98e0b37b7c14890f8a599f35678af5e9435906e1

    SHA256

    681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    SHA512

    2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

  • memory/2764-133-0x0000000003160000-0x000000000323B000-memory.dmp
    Filesize

    876KB

  • memory/2764-134-0x0000000003160000-0x000000000323B000-memory.dmp
    Filesize

    876KB