Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 13:38

General

  • Target

    f3c7c3cba051c85937daa2cad72f59bf6b47b5b9c14cdb42057dbc8fda99e1a8.exe

  • Size

    3.0MB

  • MD5

    299d5f94d35d28ae98e5454a0bdca9a3

  • SHA1

    db7c8111fe03133f118507f4beefcaedc058ae25

  • SHA256

    f3c7c3cba051c85937daa2cad72f59bf6b47b5b9c14cdb42057dbc8fda99e1a8

  • SHA512

    224681a0028f25656dbc6c49feb564000f332da5bab64b65c6e1835698daff1c866b3d9aed3244fa784f91a2734e7aeeda878b7bf3869a2212a56597aba8319f

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvV47RIgiBul:RF8QUitE4iLqaPWGnEvK7RZ

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 (231) 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3c7c3cba051c85937daa2cad72f59bf6b47b5b9c14cdb42057dbc8fda99e1a8.exe
    "C:\Users\Admin\AppData\Local\Temp\f3c7c3cba051c85937daa2cad72f59bf6b47b5b9c14cdb42057dbc8fda99e1a8.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:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3063565911-2056067323-3330884624-1000\desktop.ini.tmp

    Filesize

    3.1MB

    MD5

    410d0bb541855e91a4bc810285f4432a

    SHA1

    9c70380b591785f30615442f07d9773a0a431fb5

    SHA256

    502a473b2520969df2647e30e072b095177c15aea545fd16b2ebb989c69cebca

    SHA512

    df4f609a52cbb85a905ec8219c4ca21d0a2ae9461eaf5db5b6fb1b0ea8406d8e64a1bf7d66e153503ce029c83f2f9dd00408457ed1da033f3d94f7b054a2035c

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

    Filesize

    3.1MB

    MD5

    cd58e83722735223a7cbd84d407006c1

    SHA1

    bc1e28d5d69e60a679c20d754c17cb29ed65cf77

    SHA256

    f2706dac445fa6f6f50a394752928824f8ec473e4d7c2f9da6ac1e51deae7080

    SHA512

    f86a26fdaf84693e69dbfb0f597d12ff70a3d084f34f6f474b86162b59da1604be450eb7cc1602fb0957668fbba26280441b83f7f37d4015d73cb8356c880d9c

  • memory/2644-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2644-8-0x00000000030F0000-0x00000000032FC000-memory.dmp

    Filesize

    2.0MB

  • memory/2644-1-0x00000000030F0000-0x00000000032FC000-memory.dmp

    Filesize

    2.0MB

  • memory/2644-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2644-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2644-13-0x00000000030F0000-0x00000000032FC000-memory.dmp

    Filesize

    2.0MB

  • memory/2644-25-0x00000000030F0000-0x00000000032FC000-memory.dmp

    Filesize

    2.0MB

  • memory/2644-43-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2644-51-0x00000000030F0000-0x00000000032FC000-memory.dmp

    Filesize

    2.0MB