Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11-03-2024 22:24

General

  • Target

    c1c1b19835fa09dcc2ff5d80cdc3a422.exe

  • Size

    2.2MB

  • MD5

    c1c1b19835fa09dcc2ff5d80cdc3a422

  • SHA1

    c9f3d99f8835d4c685382101851615046db90b3d

  • SHA256

    12ecc6148f29cbc2c73f35ff5b75081e9ddb30f6b3456f5eff726658eab7bbba

  • SHA512

    996b00b99809d86561172f07031787c5ea031fdc4973c817b48600901d7d1a53eeebf0d1bea4f25d6cf7e021b54f2b8fcc502507feee21af2d9c156c6ab0fdcc

  • SSDEEP

    49152:9DmN13o0VJvbp+vRRIyYBwHwbnZ2D9HaXl:9I5+vQzBEYn8da1

Score
9/10

Malware Config

Signatures

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

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1c1b19835fa09dcc2ff5d80cdc3a422.exe
    "C:\Users\Admin\AppData\Local\Temp\c1c1b19835fa09dcc2ff5d80cdc3a422.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    PID:2240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2240-0-0x0000000000240000-0x0000000000243000-memory.dmp

    Filesize

    12KB

  • memory/2240-1-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-2-0x0000000002180000-0x0000000002375000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-3-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-6-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2240-7-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-8-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-9-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-13-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-14-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-15-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-16-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-17-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/2240-18-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB