Analysis

  • max time kernel
    60s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 19:50

General

  • Target

    996f0d21dc51c9079500382e1323af4588b3f7e0e0559d35a9ea3c16ee410535.exe

  • Size

    3.5MB

  • MD5

    12d9b6e676211158f5a0f0352f108087

  • SHA1

    6d7d4fccd243430580ff1c0150037b8a99a12937

  • SHA256

    996f0d21dc51c9079500382e1323af4588b3f7e0e0559d35a9ea3c16ee410535

  • SHA512

    2bfc9e85ef842b2b649ea61f18af140682aefe2111273507a1730b917704dd1934895296d7c9045865114e292691c7e5c9b107677a7892883412e9942b88c54d

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVPYOKQrgCGMxu3fFne4j4ZXum7Y:RF8QUitE4iLqaPWGnEv+OKQr8MAvFrMY

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 (184) 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\996f0d21dc51c9079500382e1323af4588b3f7e0e0559d35a9ea3c16ee410535.exe
    "C:\Users\Admin\AppData\Local\Temp\996f0d21dc51c9079500382e1323af4588b3f7e0e0559d35a9ea3c16ee410535.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:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\desktop.ini.tmp

    Filesize

    3.7MB

    MD5

    ae7bb55c57aff6c63d1b6f2e59679927

    SHA1

    0ce67d0556373aef5727cd491538beb314448b69

    SHA256

    8ad5372a233d470c25e414ae7f4967b4b7498b246bc08a7e55b1ad5cc710234b

    SHA512

    247b5824bb4cf62daff53bc21e3d7d19e874bc1053447902fc32cbb55a1f5bafa45a8e310273b12908f158891ff69980a49487df1511bd8d4cd6d14c8eec7426

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

    Filesize

    3.7MB

    MD5

    ac758f570c442d992995cdac9f1ceee8

    SHA1

    3636249af95ae144441a8a79a14d6ea3075fd8ca

    SHA256

    b11b8f56cb399af9d8d436818aadbda5b72b1cfebaa8faf05b5ad6f3e6e6ba2d

    SHA512

    9d441c2f89868685ad5b9595caca803681c7a46c0cd68386817012e802bb61f9ecbcc6337951a8a89ef48826ae0b44ffb4e0e368aa55096854e6f3e911625161

  • memory/2092-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2092-1-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB

  • memory/2092-8-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB

  • memory/2092-7-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB

  • memory/2092-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2092-13-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB

  • memory/2092-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2092-25-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB

  • memory/2092-41-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2092-45-0x0000000003160000-0x000000000336C000-memory.dmp

    Filesize

    2.0MB