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
    27-12-2024 19:26

General

  • Target

    8b1366a7c04bd00cb75d51c4d944005b7c63eb985f9d9a94f83bcc6494b25c96.exe

  • Size

    6.2MB

  • MD5

    04b19b217d78181c8951c1a097cee7aa

  • SHA1

    b4839f938fb95e3ab97bf1872efdf0018ed4a7e3

  • SHA256

    8b1366a7c04bd00cb75d51c4d944005b7c63eb985f9d9a94f83bcc6494b25c96

  • SHA512

    aa2b710d1993b6f50e76ec5af5573592870d8f7caf4d338bf8797c6dc134436693d23d305e2b60a5863e66f2e2b858fa7503b996e427785e4b14958571cf83c8

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEv7/IJsiC5sop7cTe:RFQWEPnPBnEQsiC592Te

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 (124) 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 41 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1366a7c04bd00cb75d51c4d944005b7c63eb985f9d9a94f83bcc6494b25c96.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1366a7c04bd00cb75d51c4d944005b7c63eb985f9d9a94f83bcc6494b25c96.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:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini.tmp

    Filesize

    6.3MB

    MD5

    8923e5dfa1dd2303e3bece9da71757e7

    SHA1

    10d2c8b745e76177513e9b5594f0f59ba3bd8429

    SHA256

    677a4a293ad27cfa3ae5318bd90437c2e08eb50afb4c4c1b2c0a493c73e121a9

    SHA512

    b02b16c679191f350648cf93fb6b18fdde277d495e1eb01996ef5fd9ff43f44c3ff7f6860438d1ce509408e02180325fbf7313c4ad732eda7d3d2b24d9b70b01

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

    Filesize

    6.3MB

    MD5

    37b19ae6bad2f076fda620815a058d6a

    SHA1

    978f450517abf45eb2db3a5ee4e352c1cc431a17

    SHA256

    3745172b6d084b1c17d3a3d7b279f550881b8ef6dc436c5edeb44b4ba6ef58af

    SHA512

    ab84e421b9c99980a1e85b92989f48e21159ae206dd12196320c198d913cf1c009d94464b4dedf9f85de8acf8ff9b3ba72f87b632689e43c6922df365abbea4f

  • memory/1996-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1996-1-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/1996-8-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/1996-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1996-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1996-13-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/1996-25-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/1996-39-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1996-43-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB