Analysis

  • max time kernel
    120s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 00:56

General

  • Target

    933beff1452ab56fcabb856fe4d01b6f624a809004ebc0604e1ef8f4c1beafb8N.exe

  • Size

    3.7MB

  • MD5

    a6abe2caa61d5319f6deeba2d78a5660

  • SHA1

    5c8a4e46ec488d929f5b0b642e93346ba33e3863

  • SHA256

    933beff1452ab56fcabb856fe4d01b6f624a809004ebc0604e1ef8f4c1beafb8

  • SHA512

    4b851c68dce5e032ecdccd2c8c3d0bf26086173ddf3afac67bd6c6fbc990af46d6e2a5b3b4e40779d9b1a1d96bb53e2f4683f1ddc4deef32e0742061ccd70856

  • SSDEEP

    49152:RVvn8Q5CHCtE4jPTTm4uBLq9gtMyMpy7nEvVCUkULRSOE2U:RF8QUitE4iLqaPWGnEvcUkUtSOEN

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 (452) 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\933beff1452ab56fcabb856fe4d01b6f624a809004ebc0604e1ef8f4c1beafb8N.exe
    "C:\Users\Admin\AppData\Local\Temp\933beff1452ab56fcabb856fe4d01b6f624a809004ebc0604e1ef8f4c1beafb8N.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:3112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

    Filesize

    3.8MB

    MD5

    e19aece2670456e55b5b883bb719b0d2

    SHA1

    96898898887af01d91bf1b2a06ea435a4c4b08c9

    SHA256

    a45b9ab524ed0b756f3022fe1e8cec7d61eec1a078e5d7eec22733bd178aaaa3

    SHA512

    726c9f717faecfaa722f47230f306eb099c50bc78cfe8de5999ef78a6933e7a577a59318a52c7558b8923234217ecba1d0a13392648224b2fac328ceaf843cba

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

    Filesize

    3.9MB

    MD5

    9808e25e8fa7c87d8adba45bef860b45

    SHA1

    000327fd8ce02a427ba0efc2fa398eb489e94018

    SHA256

    2ed11b5755f326ccf5dec30ab27a1b76d48e3a900f96c074b02e4043399dfa88

    SHA512

    30daf62970021633fb52a811a1b75b666eec3a5da64f90412b55f0a8c7474fee3cefb10bca865263bcea880a9d8cf05b4a205379d205311b30265bd111804e94

  • memory/3112-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3112-2-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB

  • memory/3112-9-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB

  • memory/3112-12-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3112-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3112-14-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB

  • memory/3112-45-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB

  • memory/3112-44-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB

  • memory/3112-118-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3112-134-0x00000000047D0000-0x00000000049DC000-memory.dmp

    Filesize

    2.0MB