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
    03-12-2024 19:45

General

  • Target

    f8c41a4e42a7f702cdc141e401ec34fc6c56ac3df11fcdc588a6ed3bef2ca748N.exe

  • Size

    3.3MB

  • MD5

    5f2fbdca7682a3bbdcf63cb856224ee0

  • SHA1

    c26bf2b9c1686228ee7c27e03e4f4f068fa458d9

  • SHA256

    f8c41a4e42a7f702cdc141e401ec34fc6c56ac3df11fcdc588a6ed3bef2ca748

  • SHA512

    6d70c0853a3cf2487d85ae31a09e918fe6700d3777ff8672e6a2747113120dd132679ea912026f5fe61af4953fd05baf3f586ef0c8732db7c5bfd051479bd521

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvSdsc0B18YhT8qM:RFQWEPnPBnEKd50P8YhT8t

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 (498) 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\f8c41a4e42a7f702cdc141e401ec34fc6c56ac3df11fcdc588a6ed3bef2ca748N.exe
    "C:\Users\Admin\AppData\Local\Temp\f8c41a4e42a7f702cdc141e401ec34fc6c56ac3df11fcdc588a6ed3bef2ca748N.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:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    3.4MB

    MD5

    a485096c19d859e4f2a85af366082579

    SHA1

    0f83b9aee6fd1bc833176305753fd2380573a6cc

    SHA256

    c2439ffe7efcd6a62d103273b82d5f76bb3b5210ca8a8d63f3fa35adedc039c8

    SHA512

    aa28e77b59f7c1d535996645998df05c80dbc4e30d2d603ea8b96c18e524d33e67f92892c4d1ddabdebe7be47b801213edfcbd623648073ad8dda194a80b6186

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

    Filesize

    3.5MB

    MD5

    5423de43c0c2a5ed8a2e9e6e0a2c6cff

    SHA1

    229fc01233a39a551327bacc18c5cb164790cca9

    SHA256

    4523fd552baf0cfad2f65bd5865e054b34d3ddc1b79d052222814f90b336ff91

    SHA512

    62d9264bafee47e0037f83c6340a1b4a1fb67a3b41537f915b1d718750f860040ad9ccdc7fff74453d37fdbb983ed785fdba20bb079917a778e7ce86077f0df2

  • memory/1964-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1964-2-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1964-9-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1964-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1964-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1964-14-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1964-48-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1964-49-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB

  • memory/1964-128-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1964-144-0x0000000004960000-0x0000000004B6C000-memory.dmp

    Filesize

    2.0MB