Analysis

  • max time kernel
    60s
  • max time network
    39s
  • 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 19:45

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 (221) 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:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

    Filesize

    4.0MB

    MD5

    3b099f7e615c74160f5060e5c0e406df

    SHA1

    204cfc3a2a9bb971d9200c2d51c3e3c9e20d182e

    SHA256

    302943a89e3b029abce90004992e963ff39897d48c1a8e321e76b32ffca3c59d

    SHA512

    e1ef6a409c95996b663b73c4b8ca58397117950c1bbd945a4d233e23e22c7df04e0533600cb93f08537b2031d6ce866cc0f1dea79c89b8a8e3ef5039dbe830ef

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

    Filesize

    4.1MB

    MD5

    74e9775918550a78aecb21484fdf8397

    SHA1

    4882b163284f2eb5c2248f247ef0edeb927fc9d8

    SHA256

    8e1f1775bcb505e66705c663828f1b3bf8a65ec413c8459d1422ccb86826a6b4

    SHA512

    4b015f580d1930568e694ee29d0fecdbec0d272b98eab91b0f889e2fb55c8c76932f33b48d81559c7205cfd45f5eb081cec6d23c16c9af9dcda7726a02cbe865

  • memory/2876-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2876-2-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-9-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2876-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2876-14-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-41-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-40-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2876-106-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2876-120-0x00000000043A0000-0x00000000045AC000-memory.dmp

    Filesize

    2.0MB