Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:42

General

  • Target

    build.exe

  • Size

    11.5MB

  • MD5

    80b649dd7217d2dec012737e3043f9cd

  • SHA1

    b363f80e300560f60784f2e152b9227f174107ae

  • SHA256

    ee849ec066ffb5f9206ee2c6a0fcfaa5033bed93168210a665e479a4502f496a

  • SHA512

    6a0107c98434c61a935bf223d302dd3811a6eea9f14e56c8325b367faf5670e4e1168e0a410b5bc387e9041aea1d63294e20ab168afdb125cf6400bc89e55bbb

  • SSDEEP

    196608:WoF/rc9ytclId9zCPajNxVeyrM/A72vLMs4O9p+8avsyQzIfcxAYs0jdokFFr:WoFDqPG9VNxDA/A72iC+vL2IkxAYPFr

Score
9/10

Malware Config

Signatures

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

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA65F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA681.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2068-82-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-94-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-0-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-4-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-5-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-7-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-2-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-1-0x0000000077300000-0x0000000077302000-memory.dmp

    Filesize

    8KB

  • memory/2068-80-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-84-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-6-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-3-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-81-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-85-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-86-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-87-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-88-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-89-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-90-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-91-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-92-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-93-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB

  • memory/2068-83-0x000000013F400000-0x0000000140F6B000-memory.dmp

    Filesize

    27.4MB