Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2024 02:06

General

  • Target

    1a8051de2e50150f00fcd93bbbe527f14bdc79486dfa40733cd904dd9dd0bc08.exe

  • Size

    4.3MB

  • MD5

    095505c3a10c05a5301b5e4c34464ac3

  • SHA1

    c9e2e01414f9cfd74e8494ff24d03b2b0f6d9606

  • SHA256

    1a8051de2e50150f00fcd93bbbe527f14bdc79486dfa40733cd904dd9dd0bc08

  • SHA512

    921943c6845e1d6d8c44292392bb5dc44dd1296d3b48e24c92ba6a2e2714772c71d5292f84a1b604627a8c8996135bf49f0ae935c993547724e8d8c0b9de7580

  • SSDEEP

    98304:+3NSfks3bnPf6BS5bMZdm3W4ac4UtIo5ukNQ:+9SfPyBubcAa2Ioj+

Malware Config

Extracted

Family

cryptbot

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • 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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 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.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a8051de2e50150f00fcd93bbbe527f14bdc79486dfa40733cd904dd9dd0bc08.exe
    "C:\Users\Admin\AppData\Local\Temp\1a8051de2e50150f00fcd93bbbe527f14bdc79486dfa40733cd904dd9dd0bc08.exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4764-0-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-1-0x00000000774A4000-0x00000000774A6000-memory.dmp

    Filesize

    8KB

  • memory/4764-2-0x0000000000AA1000-0x0000000000D2A000-memory.dmp

    Filesize

    2.5MB

  • memory/4764-3-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-4-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-5-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-6-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-7-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-8-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-9-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-10-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-11-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-12-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-13-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-14-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB

  • memory/4764-15-0x0000000000AA0000-0x00000000016C1000-memory.dmp

    Filesize

    12.1MB