Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 21:49

General

  • Target

    3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.exe

  • Size

    3.7MB

  • MD5

    7f8b99ef3e558637f16f8f4ce15c5768

  • SHA1

    f51a78235c20644245dca579e85e2d90758e78b0

  • SHA256

    3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a

  • SHA512

    e55ba8ddfd579748a1edd8db8d352f0d7277cc115cff02b1edd906bd092cd7806bedd4a111c9f99b62cdb527de8c246d89004d6b46d3cdbb9ea41649b26521d8

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVCUkULRSOE2U:RF8QUitE4iLqaPWGnEvcUkUtSOEl

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 (616) 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\3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.exe
    "C:\Users\Admin\AppData\Local\Temp\3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.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:3960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3.8MB

    MD5

    8c453572138ae70b12e569586ee3b9e5

    SHA1

    fc276cc9a8c16a68698e46cf68ce0442137dc961

    SHA256

    3ae53ddbf5f8ef638e91f5e95f1751894e9e4a6edd789580c8f8455f38952d5a

    SHA512

    093dc2c53f5ea2e95a38de601ef0fe063f7e2102da38bfb3ae16919c6cba68cf8a5fcbd763565a639a6e550a6297411936d8dd14c3a1dc9ae935f4fdb0e3f18b

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

    Filesize

    3.9MB

    MD5

    f09832b3081808dba559d846e704b064

    SHA1

    b19b6e2fdd1b1254e326e6f80a5f4914e5eee0c1

    SHA256

    3849e0de1700a4b391c304cb0842f4545cf6efb6d2167845c2e22945570c2594

    SHA512

    ab6de22a5a21beae5d1506c386f4a2558661f820f968e3bc1d9541251bbc2a76ba151896ddbd0b590271fee570eb9fafebe07100ce701198d1784236396a8874

  • memory/3960-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3960-2-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB

  • memory/3960-9-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB

  • memory/3960-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3960-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3960-14-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB

  • memory/3960-41-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB

  • memory/3960-40-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB

  • memory/3960-114-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3960-128-0x0000000004410000-0x000000000461C000-memory.dmp

    Filesize

    2.0MB