Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 21:43

General

  • Target

    3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.exe

  • Size

    3.7MB

  • MD5

    7f8b99ef3e558637f16f8f4ce15c5768

  • SHA1

    f51a78235c20644245dca579e85e2d90758e78b0

  • SHA256

    3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a

  • SHA512

    e55ba8ddfd579748a1edd8db8d352f0d7277cc115cff02b1edd906bd092cd7806bedd4a111c9f99b62cdb527de8c246d89004d6b46d3cdbb9ea41649b26521d8

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVCUkULRSOE2U:RF8QUitE4iLqaPWGnEvcUkUtSOEl

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 (195) 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.exe
    "C:\Users\Admin\AppData\Local\Temp\3b5addc5465d40c7f5eaa80971f5bed86d66163de317eb1c8d9aa88679218b0a.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:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini.tmp

    Filesize

    3.8MB

    MD5

    a0653a79cf90944b67f283d6fd7d1755

    SHA1

    d07a1ad427aac065b3d249f763ef4aa436f73306

    SHA256

    59b64158eafb95b5fc7c29b00612f719489e44bdc03064bd71cce89640f82aa3

    SHA512

    f8c3c42bae2ec3513b1fb5f8ff36bbf2e673d8049f84eed1bf9f6953b1a3086470ef5e1591fb8682c1d84009a836a46e6b8c5565f6696b7a2fa5a0777e2dbd9b

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

    Filesize

    3.8MB

    MD5

    9e2ef83a450a4fff55826d7d4a2f7382

    SHA1

    70b8e7a145da9b1decb4b5e5c6997fbced57b723

    SHA256

    5b2864caf9c6cb6bca6266a6732415859b94502086433e025ceb9b92947f067e

    SHA512

    7c7f4de4c361048f3a7c60ca33dfdc680ad6dee1aeae1d3fc42d0bb60229f3f2469e4383db28bfbf953e7969472da33387a96a9734d0296e4aa7f7e16dc4fece

  • memory/2332-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2332-1-0x0000000003040000-0x000000000324C000-memory.dmp

    Filesize

    2.0MB

  • memory/2332-8-0x0000000003040000-0x000000000324C000-memory.dmp

    Filesize

    2.0MB

  • memory/2332-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2332-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2332-13-0x0000000003040000-0x000000000324C000-memory.dmp

    Filesize

    2.0MB

  • memory/2332-25-0x0000000003040000-0x000000000324C000-memory.dmp

    Filesize

    2.0MB

  • memory/2332-41-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2332-45-0x0000000003040000-0x000000000324C000-memory.dmp

    Filesize

    2.0MB