Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 (222) 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\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:1644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

    Filesize

    4.0MB

    MD5

    f99d955e2cff0d730e02b952fc2a7766

    SHA1

    137956d0aae6fda9e8696da147c56ef5f0e3c3e2

    SHA256

    a7c9c8b6464c4a530f7c8368616ed382685af2d3e4cbebb0cab19c3b73a34621

    SHA512

    ac1c2a0ca8c7f98469950a71af86b7ea1718baa6e98b0b50be4516ec1d7517c8a41e81cab3433841f28f1795d52bfa2bf153ad0b71532e814082c40ede0f5536

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

    Filesize

    4.0MB

    MD5

    775c9dddb951759d597f46494b06d0b9

    SHA1

    5c4ca3a842cf1fc7007dba7a674b6add93f8ba9b

    SHA256

    33d1e6308caff720bedcfc28adee7e7695e9fe06cf6ccda43a89e5b046a1089c

    SHA512

    9d982db93ceaddb5091ee704d0a614424702af1798271f91f4eb520e8421d4b73a2f36212252b840186256a6603bd112fc9d1ad8286bd19bf82cd3dba13f4229

  • memory/1644-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1644-1-0x0000000002F30000-0x000000000313C000-memory.dmp

    Filesize

    2.0MB

  • memory/1644-8-0x0000000002F30000-0x000000000313C000-memory.dmp

    Filesize

    2.0MB

  • memory/1644-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1644-13-0x0000000002F30000-0x000000000313C000-memory.dmp

    Filesize

    2.0MB

  • memory/1644-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1644-25-0x0000000002F30000-0x000000000313C000-memory.dmp

    Filesize

    2.0MB

  • memory/1644-41-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1644-45-0x0000000002F30000-0x000000000313C000-memory.dmp

    Filesize

    2.0MB