Analysis

  • max time kernel
    60s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-01-2025 19:01

General

  • Target

    b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe

  • Size

    15.7MB

  • MD5

    21d88dc3265c802a0c214a5946bdd88a

  • SHA1

    3a304f2e5c5d86092d92a438d2ad2179a6dee349

  • SHA256

    b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06

  • SHA512

    56a0dedf2620c1c9f093f33de3db828c08f1caf5ec373ce4cf48af0a6e5dde5f76e1093c767a983e2c5ea0322979953b465fba1f6aeb6be1559f1c0e1d2761a3

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvK7RkOEEo+A7mOk3oaCVA7m2St29Ejzh9oEuF8QUitE4i1:RFQWEPnPBnEXPEtFQWEPnPBnEXPE8Q

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 (51) 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.

  • 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\b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe
    "C:\Users\Admin\AppData\Local\Temp\b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

    Filesize

    15.8MB

    MD5

    d229b0a281f7764bf9ee450ed4105f74

    SHA1

    ae5448193e8a123881dbb22034503d8b3a220484

    SHA256

    ed7a793bdeaff1974f4efa475e5bb488ede4153ca0a9f246036bd305e15c2845

    SHA512

    23afbe9087330956a795604127c3e1f4412d8f4cbb512ad99b97290ddf796f2844784e358ba4c380a0e700075da80903f7fda4c699581d9940176cb3d10286e8

  • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

    Filesize

    15.8MB

    MD5

    44508e5e799389e49eff6565aa73e2d5

    SHA1

    67dcaf9274b630a3a8bddc15ba0a18b9362b1a11

    SHA256

    963240a87ae3177de2d5d04c0d10dfab3ee74c57a2cfb71d98406f3e656a931a

    SHA512

    c2d2253da4180482f6b9aa3c24169f05adda7ed3628aa7cc876e22639ac940fb0e9177a20c650da1009e97b62e94e55036a0363e38a544eba25f4938742c5ab6

  • memory/2260-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2260-1-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB

  • memory/2260-8-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB

  • memory/2260-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2260-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2260-13-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB

  • memory/2260-20-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB

  • memory/2260-19-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB

  • memory/2260-29-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2260-33-0x0000000002FD0000-0x00000000031DC000-memory.dmp

    Filesize

    2.0MB