Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 12:52

General

  • Target

    70959e24889326fecdd66e6c15a47c61869e04562c5e4e82af8cec7b1e0c094dN.exe

  • Size

    4.8MB

  • MD5

    04e697d5f0b44950d238fe8cbdef64e0

  • SHA1

    f55e91c748b9acd02d9c10d775c2e8cca1b8c6a0

  • SHA256

    70959e24889326fecdd66e6c15a47c61869e04562c5e4e82af8cec7b1e0c094d

  • SHA512

    a6a840b4cf63fc7e23b74358aac4a4ff59d6f67d011a79ecf51be8640af43cc2efa3cb8e1bbb13853f1c401950334353c826b90b7c00b53b109b6628cb5e9c95

  • SSDEEP

    98304:RF8QUitE4iLqaPWGnEvK7RkOEEo+A7mOk3oaCVA7m2d:RFQWEPnPBnEXE

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 (197) 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70959e24889326fecdd66e6c15a47c61869e04562c5e4e82af8cec7b1e0c094dN.exe
    "C:\Users\Admin\AppData\Local\Temp\70959e24889326fecdd66e6c15a47c61869e04562c5e4e82af8cec7b1e0c094dN.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:1820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-2703099537-420551529-3771253338-1000\desktop.ini.tmp

    Filesize

    4.9MB

    MD5

    4133bf22ec06bddc7bc3940c617da4e6

    SHA1

    d40441c217150b284a72be511e117f3489dcedce

    SHA256

    db5eccbcd4c155a2ac2875295ad86d469831294b451127d6a9bc7bd98d6b115c

    SHA512

    243bf8b295cb585c7ae26d39581fe01bf346f454ccc9314949b9c3e3c5d587027d0a24a8249060b6c7118b7a9836c6544adfae4c3e51de7a1f298b8a593ac5ae

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

    Filesize

    4.9MB

    MD5

    242202db1fda735f1553f96107a0eaf3

    SHA1

    543cce8cf4726008b854b7f91bc5682d2873e75d

    SHA256

    a5a9fec1946ad9c9ec54e99f6ce128d71d6d4ac7e1fb79c8ec5f77795e1d892a

    SHA512

    1adcbc5495a9f939b965e2bfe45942791cf8337049b590a69cac1316f931f6b4d39165584dd23374ad8b110d71057412ecd7813fbf4a51bfbeaa22106ca6cce2

  • memory/1820-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1820-1-0x0000000003400000-0x000000000360C000-memory.dmp

    Filesize

    2.0MB

  • memory/1820-8-0x0000000003400000-0x000000000360C000-memory.dmp

    Filesize

    2.0MB

  • memory/1820-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1820-11-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1820-13-0x0000000003400000-0x000000000360C000-memory.dmp

    Filesize

    2.0MB

  • memory/1820-25-0x0000000003400000-0x000000000360C000-memory.dmp

    Filesize

    2.0MB

  • memory/1820-41-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/1820-45-0x0000000003400000-0x000000000360C000-memory.dmp

    Filesize

    2.0MB