Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 20:00

General

  • Target

    99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.exe

  • Size

    4.8MB

  • MD5

    ae814e0b9947b36ae1fc82e5ed2648ed

  • SHA1

    d6fbfcd6b11d7a571f8e4d3a360d8f5001c1901c

  • SHA256

    99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b

  • SHA512

    5fab9b9434479d80d2a8c8172c7d579c6bd070c75679d2f2d605c95e31496b3aba58bfca82c7d0b35189e3ff67dfb6d8c4b93660ca4f5d80519592575510d6f3

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVPYOKQrgCGMxu3fFne4j4ZXums:RF8QUitE4iLqaPWGnEv+OKQr8MAvFrd

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 (434) 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.exe
    "C:\Users\Admin\AppData\Local\Temp\99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.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:3388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.0MB

    MD5

    a3e94ff5e7a2ac18619f0b6b58f487a2

    SHA1

    b3c6894b8b5e56c344edf90923fbb8a18c52ed28

    SHA256

    134d781b9cd5e6afb8dd72b80718bc90b6f657334d9aa475d31415b465cdff76

    SHA512

    326c6eaaa37570d4c855b64f19905846f9889ee3b4168796d5c32ee6cba94c4e1b12b098c02b8b46a029415ca4bdcffa79dc6c9815bcb7038a05fa4f1be1e71f

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

    Filesize

    5.1MB

    MD5

    b6afd7c629ee81e895a4d7718561bed5

    SHA1

    e521724e959b2e4f80fa85f6915fdeae92d0f31c

    SHA256

    7b6dc4ae4e08709e87b0bda9435d4bc47075bfe161b63d2fdec9cda5140c7674

    SHA512

    d76926301c871d3d7c9ba51ec6472223055afb75eb671f0bef5439e2552953e06969e688ab2119b94ea30ee3d5abdd3135c51ea9971369fdc54dd1743139bd36

  • memory/3388-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3388-2-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3388-9-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3388-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3388-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3388-14-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3388-37-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3388-36-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3388-96-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3388-108-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB