Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    14-06-2024 23:16

General

  • Target

    be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe

  • Size

    14.0MB

  • MD5

    4c899f248f265d3d227500f6b993947b

  • SHA1

    9c2ce56d48005dc9d82a587a270dd0dd084c38e3

  • SHA256

    be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e

  • SHA512

    6bd287b5e976ab12867c62cc5d80a1d64fe1b3d8ef4d8b020e479048a3904e1eb5fc6140eda1207ebbaab6604aa5a18c152afa41d3756d8959a6e4486edfdb78

  • SSDEEP

    393216:ScQSE4rIYCoX0RybbNs0DazP3ZHZUQkski6:JQSfrxF9dsdPwrski

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe
    "C:\Users\Admin\AppData\Local\Temp\be852847e11d28e2987bb5bc0096f23c44c04356cec2c6c1592c736a7040dd8e.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:2148

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2148-0-0x0000000000400000-0x00000000019F6000-memory.dmp
    Filesize

    22.0MB

  • memory/2148-1-0x00000000771A0000-0x00000000771A2000-memory.dmp
    Filesize

    8KB

  • memory/2148-6-0x0000000000400000-0x00000000019F6000-memory.dmp
    Filesize

    22.0MB