Analysis

  • max time kernel
    120s
  • max time network
    93s
  • 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 00:49

General

  • Target

    2533c55c719d1ad97a05d2355136d6a8cf15eaf36c01dd70450a740291f7a538.exe

  • Size

    3.3MB

  • MD5

    bf82d2c331398018750c202bd9f02e3d

  • SHA1

    495d6af8bd5729e577d83bae342d420a88676ccc

  • SHA256

    2533c55c719d1ad97a05d2355136d6a8cf15eaf36c01dd70450a740291f7a538

  • SHA512

    a05396adf45cf6147271c3568b13e6085e09cff105e476cc272a86bb176bc0be1b328a35fb728e1aeeb0fef2fa93fa3a1947362ed8555bfad2546c4944a84d2c

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvSdsc0B18YhT8qM:RFQWEPnPBnEKd50P8YhT81

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 (532) 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 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2533c55c719d1ad97a05d2355136d6a8cf15eaf36c01dd70450a740291f7a538.exe
    "C:\Users\Admin\AppData\Local\Temp\2533c55c719d1ad97a05d2355136d6a8cf15eaf36c01dd70450a740291f7a538.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:3788

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

    3.4MB

    MD5

    f0e95b3bc3c3609e9af9327417bc2ab1

    SHA1

    fedf68c78a759c423b1a6bf5f205dc9f1ab4e080

    SHA256

    8428037496a503ca0b7f3f465a3a6fe5ee4aa257ae51c0be5ef21336ba02964c

    SHA512

    40b0071e07260b2c82ac6863b5a9ba4a7688c53015ccfb639bb02cb94ebf4270b30f140b233a9a741b6e530a4e29632c7a45d3bd56eeeec381f72a93d8f45351

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

    Filesize

    3.5MB

    MD5

    2fff8eb570b6ba243373813e0169abe2

    SHA1

    1bdccbb6123b24dd046a6835fc3a6a59f1ca4e84

    SHA256

    6765d00e99592a85a74f87e988451b9e07785d95b39eb8a0c084e00952b8a3e4

    SHA512

    ad23528175b1e60989696b64a919ad05ae4202eb897901a6f3e4c8cdff564ca3456ff71fab672e69192313783fac47a30317fc3e39cfe71ab55a5a1cd53b75f1

  • memory/3788-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3788-2-0x0000000004A60000-0x0000000004C6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3788-9-0x0000000004A60000-0x0000000004C6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3788-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3788-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3788-14-0x0000000004A60000-0x0000000004C6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3788-48-0x0000000004A60000-0x0000000004C6C000-memory.dmp

    Filesize

    2.0MB

  • memory/3788-130-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3788-146-0x0000000004A60000-0x0000000004C6C000-memory.dmp

    Filesize

    2.0MB