Analysis

  • max time kernel
    27s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:41

General

  • Target

    008s809126580b6011375030062022.pdf.exe

  • Size

    423KB

  • MD5

    b162a30b2fb5f93bb0954871eeab8e66

  • SHA1

    d909880c41590c25dc2b6fba7636ec7531bb7c6f

  • SHA256

    bb6a92b2c43488bf8d0310090aa4036b5e292c9ab5030c8ebdd1864cf015f9ba

  • SHA512

    2fe959b275c9494fed4c67edee14e170a709914bd8cdb167c36e8c22a197fb93d7a866913554210fbac75eb9d91aa95aa66d6491ba323fa34643eca267d1b1d2

  • SSDEEP

    12288:UNCEI4VsSko856vQngJrMcbEpLWCr9W/LH:UNCEI4VeoZvQnXPSU4/7

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 System32 directory 3 IoCs
  • Drops file in Windows 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\008s809126580b6011375030062022.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\008s809126580b6011375030062022.pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nso18FF.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • memory/832-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB

  • memory/832-56-0x0000000003720000-0x0000000003821000-memory.dmp

    Filesize

    1.0MB

  • memory/832-57-0x0000000003720000-0x0000000003821000-memory.dmp

    Filesize

    1.0MB