Analysis

  • max time kernel
    60s
  • max time network
    36s
  • 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 19:29

General

  • Target

    895f4f87426d17b92e8e2d9ec2b4f13eb9040cbec54c1e1b6b75d847e6fa0ffa.exe

  • Size

    3.6MB

  • MD5

    f316bd28d43accb063c055c9530861bc

  • SHA1

    aa8bc6ac4c7e526000950ac414d986842c3137bd

  • SHA256

    895f4f87426d17b92e8e2d9ec2b4f13eb9040cbec54c1e1b6b75d847e6fa0ffa

  • SHA512

    b09b104e2fa404a48bc4846c40295806dce3221e15c13f6fd3ed76ebdd1c472d44ab25b82b52ba126b33d90898cde5ccdb09be2d9ef5264a4ec5071ef84562d8

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvV8u/kUHHklZ77SFQJIUe:RF8QUitE4iLqaPWGnEvS9Ejv

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 (218) 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\895f4f87426d17b92e8e2d9ec2b4f13eb9040cbec54c1e1b6b75d847e6fa0ffa.exe
    "C:\Users\Admin\AppData\Local\Temp\895f4f87426d17b92e8e2d9ec2b4f13eb9040cbec54c1e1b6b75d847e6fa0ffa.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:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

    Filesize

    3.7MB

    MD5

    7bfa4ee6d18b2e32e0c7a16d795393e5

    SHA1

    639e22edbe343a09a638ed4fd9d2ba19a2994dcc

    SHA256

    a8a4f7365b4495075a7496b9724bae501d40c28eb497520c7ee3967cde6cb030

    SHA512

    b80f123291253a89858e281e852cf87f1264549fdbede7844b8fa598c92f8714bec75a9a8700bbed6f300050fc945994f8be9400858f89fb645c887ad34e2c8d

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

    Filesize

    3.8MB

    MD5

    fd5a7a757f8a0d24b1a6ea4a6e503658

    SHA1

    2944af92fd3202bf45d7394fd36d1a8870c6b78a

    SHA256

    dda1a5983750f7b87ee3146c21560fa9fa55e97026d3c1102d546c3bb4807ab9

    SHA512

    3676ac2abfaa268bc955b22778dd38cc8cc91bbd38bdf39152ecbf1d1e336fcf926b20b25c06c4902a60b57e8e85649df92b37dbfa6b87fa800c417efae72aaf

  • memory/3252-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-2-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB

  • memory/3252-9-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB

  • memory/3252-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-14-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB

  • memory/3252-45-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB

  • memory/3252-44-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB

  • memory/3252-116-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3252-134-0x00000000043B0000-0x00000000045BC000-memory.dmp

    Filesize

    2.0MB