Analysis

  • max time kernel
    95s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 03:08

General

  • Target

    7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4.exe

  • Size

    4.3MB

  • MD5

    3287ce2d6be3f77c5d1e7cc351f4ad5f

  • SHA1

    d9f04b9c1d610402c10c27772169d9e911d9adf5

  • SHA256

    7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4

  • SHA512

    f3f99e918f412a511c1324e89359645a37933f855b3da5214611906b861203ae6aad20dab6e04ee5bae3fa134ae604ce61c08f9de3cd2718fb1090f193477d95

  • SSDEEP

    98304:mUq/Rjfin/BjlBFxg28sXGOID18Radfg85LhEPse:mUyjeBjDFxg28UGO+9guhas

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\7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4.exe
    "C:\Users\Admin\AppData\Local\Temp\7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4.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:3704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3704-0-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-1-0x0000000077464000-0x0000000077466000-memory.dmp

    Filesize

    8KB

  • memory/3704-2-0x0000000000FF1000-0x0000000001275000-memory.dmp

    Filesize

    2.5MB

  • memory/3704-3-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-4-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-5-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-6-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-7-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-8-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-9-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-10-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-11-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-12-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB

  • memory/3704-13-0x0000000000FF0000-0x0000000001B56000-memory.dmp

    Filesize

    11.4MB