Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 01:27

General

  • Target

    a85eb7fbf3dd9221dd2751e7b1370b6b10f221b95151017f611b5c3305e96e58.exe

  • Size

    5.9MB

  • MD5

    f710c7bbfc7e94a9bfaa6d51c3a8db3b

  • SHA1

    fc0e4189d4684a00ac66835837f1656cb30e98c7

  • SHA256

    a85eb7fbf3dd9221dd2751e7b1370b6b10f221b95151017f611b5c3305e96e58

  • SHA512

    d7e2306c7d9d3f1364def21310504fec13a40704f000fb5ccca885ea508a99ad442270db7d35184cad5565cad419047fee7ee0a298637a49f76d9df62b236513

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvEF8QUitE4iLqaPWGnEvC:RFQWEPnPBnE8FQWEPnPBnE6

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 (354) 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a85eb7fbf3dd9221dd2751e7b1370b6b10f221b95151017f611b5c3305e96e58.exe
    "C:\Users\Admin\AppData\Local\Temp\a85eb7fbf3dd9221dd2751e7b1370b6b10f221b95151017f611b5c3305e96e58.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:4828

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

    6.0MB

    MD5

    898ce13322d9f4a440f05ff60e391d34

    SHA1

    15ecad2539556eeaf45a0ed86a4b9be18b0a1845

    SHA256

    09e31213c880dc41264029ae27a69fe297b57179d9603285aa0e6f8a660adbe2

    SHA512

    5afbe54118fa40d2afb96a389f0bd683ecd0fa613d760cbe72ed8f95264a608da1807c733a8e13b65a9976947fcfab3e10749a67969ce9384ce3b30da456a867

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

    Filesize

    6.1MB

    MD5

    e79af2eb2d8ef60dac50e3404dbad23e

    SHA1

    0fd3ca8521289a0855f4c985b386a538f59f2b47

    SHA256

    c4084fdfee8e12b5a27acb27668a7030a164e1425e06286fb0d9ab3eeaf3e6b0

    SHA512

    e9c22d14a2baaaecaf6fecd7a2d149b47142fed37882390843969b8b40f82bc69e35475ab64338f6fe3e3c689886d1efe74f125e546f7ebc9eed43ab41aed560

  • memory/4828-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4828-2-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4828-9-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4828-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4828-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4828-14-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4828-35-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4828-34-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/4828-80-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4828-90-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB