Analysis

  • max time kernel
    60s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 19:51

General

  • Target

    99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.exe

  • Size

    4.8MB

  • MD5

    ae814e0b9947b36ae1fc82e5ed2648ed

  • SHA1

    d6fbfcd6b11d7a571f8e4d3a360d8f5001c1901c

  • SHA256

    99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b

  • SHA512

    5fab9b9434479d80d2a8c8172c7d579c6bd070c75679d2f2d605c95e31496b3aba58bfca82c7d0b35189e3ff67dfb6d8c4b93660ca4f5d80519592575510d6f3

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVPYOKQrgCGMxu3fFne4j4ZXums:RF8QUitE4iLqaPWGnEv+OKQr8MAvFrd

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 (142) 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 59 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\99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.exe
    "C:\Users\Admin\AppData\Local\Temp\99720d4692de6ffc03f6f71713accf903387729e685dfd091d92c6e8605c485b.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:2532

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

    5.0MB

    MD5

    3be79f5670535b2b80be67c01973447f

    SHA1

    6c327c6c35294e2ed457be4d02d0bd422ef9becb

    SHA256

    cd9016222805ba306748dd4b87c478b1bf58bcae15cc1aad5692f97fc2cb586d

    SHA512

    4adb9a8ae4a2d62b2e48ad799bf1effe452f33214678fe47ceda848b0adb870fdc0b87aea291ac91055611c39924cdd4d70bd19814304b54bc3b12e5bce6f040

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

    Filesize

    5.0MB

    MD5

    144de9e67e0eca7b3939bbc680463b92

    SHA1

    976a6a072b3e9549703e499bc89d207e3ef3ad03

    SHA256

    0c44c92bed434725dcddf8363bb08bb00036489c5497e02576769f19435c0a06

    SHA512

    4a45616f4a20b390508efc0fb1502e29a59223e8701a8e5915eb37db8e1626ea5b3d00695c6959737bd4a2112546616c88da37358be9a85db512707e7e7d28fc

  • memory/2532-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2532-1-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB

  • memory/2532-8-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB

  • memory/2532-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2532-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2532-13-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB

  • memory/2532-26-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB

  • memory/2532-25-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB

  • memory/2532-41-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/2532-45-0x0000000003030000-0x000000000323C000-memory.dmp

    Filesize

    2.0MB