Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 00:16

General

  • Target

    8b438c4ea785667b546774f545acdb3b45a0bb1f97ea28aaeb65c832b6af1a69.exe

  • Size

    8.3MB

  • MD5

    11cfa26bba79670eea316ba55f0b1043

  • SHA1

    8c513befaa66ee2aa762a7b26dac39cacbe1aeac

  • SHA256

    8b438c4ea785667b546774f545acdb3b45a0bb1f97ea28aaeb65c832b6af1a69

  • SHA512

    52f351552912e64188891725f515433630016f2275c553cbba5c98f7b1968d2aca0aaf1d5feb3e154b820cfb5159cf7d8c4052c0e7172beb1ade0217243cc605

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvK7RkOEEo+A7mOk3oaCVA7m2St29Ejzh9oEg1:RFQWEPnPBnEXPEL

Malware Config

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Banload family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Renames multiple (231) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b438c4ea785667b546774f545acdb3b45a0bb1f97ea28aaeb65c832b6af1a69.exe
    "C:\Users\Admin\AppData\Local\Temp\8b438c4ea785667b546774f545acdb3b45a0bb1f97ea28aaeb65c832b6af1a69.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3756129449-3121373848-4276368241-1000\desktop.ini.tmp

    Filesize

    8.4MB

    MD5

    10a8c03de70345104b2777e81e9990d3

    SHA1

    4a479b93368905524e67967de2b3f326bd9925f6

    SHA256

    1dd175971a80c3f8f674e0371d9ce16c8b66a1c580e3a94b77e1b73de24968e6

    SHA512

    bdd866c3fb23d0cdce5656593187ea4d100524d83e078d85ea09bba4766b94f2dfe6559cbac231e94766d119cdebe18f3ad0e3ec4b93045a0d39504db7d18986

  • C:\Program Files\7-Zip\7-zip.dll.tmp

    Filesize

    8.5MB

    MD5

    f8a5724e6b8de6414778295dec5b3b06

    SHA1

    d76f390096d68ab4573de951888fa61b28d41fc5

    SHA256

    f893db16f9eb625ef46cdf63aca6ec9d0d6a0ca7134c58ae8598283b897983ef

    SHA512

    a232fe88272456d80a7c4bb5561cbb1a678b05d76eccb229203473e79b21e4da2ba53820116faee1ac82989c9e0fddbc32d83b75050c589154153bd2e547e2c7

  • memory/4016-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4016-2-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-9-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4016-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4016-14-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-28-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-29-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-62-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4016-70-0x0000000004920000-0x0000000004B2C000-memory.dmp

    Filesize

    2.0MB