Analysis

  • max time kernel
    60s
  • max time network
    54s
  • 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 19:35

General

  • Target

    871801352c3007a3b7e6bbee8b6d14617ef224ef6cd4cdc4c9129bfe076be2a3.exe

  • Size

    3.0MB

  • MD5

    acec99a04190e0983df5d2348bedb173

  • SHA1

    0e3f4d2ede8d1861048db044edccdf44b728da37

  • SHA256

    871801352c3007a3b7e6bbee8b6d14617ef224ef6cd4cdc4c9129bfe076be2a3

  • SHA512

    1bfc447a5cc10f9e46c4c65c38307ff10a8ad72f48fa4bbd091102c8b987f276f49241b7c5d98298a76ae436901d2111be90593cf844ca823f7d8314d24dbf00

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvV8u/kUHHkNJIyJ:RF8QUitE4iLqaPWGnEvS9EwIyJ

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 (221) 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\871801352c3007a3b7e6bbee8b6d14617ef224ef6cd4cdc4c9129bfe076be2a3.exe
    "C:\Users\Admin\AppData\Local\Temp\871801352c3007a3b7e6bbee8b6d14617ef224ef6cd4cdc4c9129bfe076be2a3.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:1268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

    Filesize

    3.1MB

    MD5

    55af2091c4e879d72b7052d0e10c6427

    SHA1

    081342155e671cedbb7b6081bfe4ba658234d0a6

    SHA256

    500010a2d0dc5ca987977f5b4d7d8dcf4cdcb9b5f16edd4559c0cd2de6da09f8

    SHA512

    0a808100bb91df219fd833387dc6b1f35ed46b7c61ff7f3d45ad7b3fe09799aed73043a81ac842a7060d78dcabea6fe4fec10d7abd49702194b4c2d8286bf0b2

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

    Filesize

    3.2MB

    MD5

    d7df79ebf8f97e7347105311751b8651

    SHA1

    4424f8bb04029245038c66482ed258ac5c7f6caf

    SHA256

    d63f1d70b691ad332fc5d774f4700d6a97edab71da66370d2ac67d3bd0dbd0d1

    SHA512

    d80c7a5d9c468044a9b93dd654629782e826899b712a06026ca37268d811eabff235d7e3ced011cc5b7b8b26601ac036221a2bcbdba9811706c1bca23d330fae

  • memory/1268-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1268-2-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1268-9-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1268-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1268-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1268-14-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1268-49-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1268-48-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1268-134-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1268-152-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB