Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 19:47

General

  • Target

    1f51c76ae0a8503beb1c9d65b93326a5eedeb36506cc404a5ad3ae381fb0acf7.exe

  • Size

    3.9MB

  • MD5

    3bb190f592366f7550d892609267b217

  • SHA1

    1aa182b79728e3689ab16939fd536385276eecc1

  • SHA256

    1f51c76ae0a8503beb1c9d65b93326a5eedeb36506cc404a5ad3ae381fb0acf7

  • SHA512

    9598d6959ed9fa9905c045117481658f55f0c98182b1de3c6dc91037102c8b6d138d33bb1ebf13bb940a9c158997f5e4dc7329a4b0581633b2485ccb82eec99e

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEv+OKQr8MAvFripiP:RFQWEPnPBnEmOKIbGr

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 (591) 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f51c76ae0a8503beb1c9d65b93326a5eedeb36506cc404a5ad3ae381fb0acf7.exe
    "C:\Users\Admin\AppData\Local\Temp\1f51c76ae0a8503beb1c9d65b93326a5eedeb36506cc404a5ad3ae381fb0acf7.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:1680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    4.0MB

    MD5

    c2f304b35836e0c74ba8896f9eb878ea

    SHA1

    8c624c2c406e9a5c5af7ccafc4610f80a031ba24

    SHA256

    2e7d2ec9a085ab0800294027243d67d5803a7347f0330f7de5a1dbcbebc32e23

    SHA512

    0406dcd69d8538de4a06443d096e2377eb15ff630b8bc132ea0879e9cf098f25fdee4192077b42125cdb56bd6f3d9b04746b7f13abc0fa4b84c8d01b67bc5b48

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

    Filesize

    4.1MB

    MD5

    14a6e14fe85a4f6831a2475db58d9ba9

    SHA1

    567990ee09603d5f098e2af5e990306b7b51746d

    SHA256

    9bd4404b13d5c49a752a923deddaf78a14ac25e98ec1c8cf28a07c4238a322b8

    SHA512

    62e24bab0fc1a2b7464633e35c2df922b5e538b6050317f413d201340d3e07c6fcbe6b6fdc76ca22aac0478de0086452699fb4bbb96c4f3c705d06b6abcf126a

  • memory/1680-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1680-2-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/1680-9-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/1680-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1680-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1680-14-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/1680-40-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/1680-41-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB

  • memory/1680-108-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1680-122-0x00000000048F0000-0x0000000004AFC000-memory.dmp

    Filesize

    2.0MB