Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 22:33

General

  • Target

    b710286449c217ebd23fc7b0c0ba0030bf7184054dee48f3bf15b58bf41512a4.exe

  • Size

    2.8MB

  • MD5

    2e62f8f6fc5d5305441cfe2222c57186

  • SHA1

    3291193940a4b14acbc24a7d243b3ab802fd5120

  • SHA256

    b710286449c217ebd23fc7b0c0ba0030bf7184054dee48f3bf15b58bf41512a4

  • SHA512

    a9bf9fa3315f4fc2407726b674b89f8e08a2111ec1d39851ffbb7260fde4064dccba5c64870ad0fc51cec0cdadab878d4266a2feaa4dfd6ba90698073f14f15f

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVWiKjUOlk0u:RF8QUitE4iLqaPWGnEvSu

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 (608) 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b710286449c217ebd23fc7b0c0ba0030bf7184054dee48f3bf15b58bf41512a4.exe
    "C:\Users\Admin\AppData\Local\Temp\b710286449c217ebd23fc7b0c0ba0030bf7184054dee48f3bf15b58bf41512a4.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:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini.tmp

    Filesize

    3.0MB

    MD5

    7f4c5cae1ae79d7ab59e3756e33dcd46

    SHA1

    e57a294c4d4df697e72ee1866f7d0824bc6033e6

    SHA256

    80868c3d31448387c206c953bfc4a39d519b2c90d9a537d8232a4bb4be51904a

    SHA512

    8b3617294bdf1a10defc5d2bfd0b98d9bcdae378073f208a5f2e9b03cc591f9f7c2f332baa8ae0688ad439dad0c1008efd777abb49265eb5f10f5eec4c9df1cb

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

    Filesize

    3.1MB

    MD5

    acf1bba7ea751fe536663ccaa187d20c

    SHA1

    8d7aed9c8cd00a5ae5005f71c03fd9a25ed271fc

    SHA256

    0f1041a0222f4af22c8e6e8a62378c7edf1c54f9d782db29476c284a8908b140

    SHA512

    1443f06a522c033d620d742aef365dc658e8f5d97ada6690f18e38ce981426564b98ba1e9bfd7d49f96fb6aa61985f3c8857227df0250baf218cbb2ecd550ac2

  • memory/4812-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4812-2-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-9-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4812-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4812-14-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-56-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-57-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4812-152-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4812-170-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB