Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2024 20:51

General

  • Target

    6393577eccbb54f677ff7dd65c984807.exe

  • Size

    3.0MB

  • MD5

    6393577eccbb54f677ff7dd65c984807

  • SHA1

    5020ec827081c486c32af374473d96ce5f4f30de

  • SHA256

    fb7f48daa45730568caa82cfa74c3c3a16130d2428ccef71eb266daa4146efde

  • SHA512

    81e6e3b90072454e6497e1622b6d43371ca3c43cb5a073364b9f9db1c85866b1b9614f56c0b5c970b456cba7ffd0a7e8ce490649ec189c52d234b5e7e68a6d28

  • SSDEEP

    49152:hU6pv81VrL49dOdL4hE+oQ2OkCe2OtIcm+H2w6JFqtEI8X3nUywRve:C6pJ9dO6hhofOkCCycm+WRJFnlNI

Malware Config

Extracted

Family

cryptbot

C2

fokfgl36.top

mortbo03.top

Attributes
  • payload_url

    http://nybaer04.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • 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.

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6393577eccbb54f677ff7dd65c984807.exe
    "C:\Users\Admin\AppData\Local\Temp\6393577eccbb54f677ff7dd65c984807.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
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2220-0-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-1-0x0000000077080000-0x0000000077082000-memory.dmp

    Filesize

    8KB

  • memory/2220-2-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-3-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-4-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-5-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-6-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-8-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-9-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-7-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB

  • memory/2220-12-0x0000000000F30000-0x00000000016B7000-memory.dmp

    Filesize

    7.5MB