Analysis

  • max time kernel
    91s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 13:04

General

  • Target

    Justificante de Transferencia.exe

  • Size

    676KB

  • MD5

    c7c3c92c0fe1327364cec3b07a2ea67b

  • SHA1

    b6ae46a2eeb1f358dd002c079e94535c6a90f06a

  • SHA256

    16e30f56cbf8e2589921e72f91f38f5a58dc34f08cbbee9a8f30a1217bad7d9c

  • SHA512

    d1abb90f5ba7bc7d5941800aecc0420cadd813e60e8a9bcadff434eda7a7dc0690b29a99b84b1f84544a914485bdff006c07b71a6cdb80885cdaed9105737c91

  • SSDEEP

    12288:vGqOASmlww9hVnMXuKQd0j7Mkqyspq8/DcioEXI5j0Kkmd:eqOASmlww9hVnxvd0vPqf7FfXIlPd

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 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\Justificante de Transferencia.exe
    "C:\Users\Admin\AppData\Local\Temp\Justificante de Transferencia.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    PID:4960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsoC559.tmp\System.dll

    Filesize

    11KB

    MD5

    ca332bb753b0775d5e806e236ddcec55

    SHA1

    f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

    SHA256

    df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

    SHA512

    2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

  • memory/4960-133-0x0000000004570000-0x0000000004671000-memory.dmp

    Filesize

    1.0MB

  • memory/4960-134-0x0000000004570000-0x0000000004671000-memory.dmp

    Filesize

    1.0MB