Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 02:32

General

  • Target

    51ad49a33d4116003b1bbfa4be0009c232eb8309728e6903ceebeac326def1c0.exe

  • Size

    4.2MB

  • MD5

    0c9ac016b38263da875782e7fd32cd5c

  • SHA1

    c81138a0fd251982dd17ec26efa677a84babbc39

  • SHA256

    51ad49a33d4116003b1bbfa4be0009c232eb8309728e6903ceebeac326def1c0

  • SHA512

    b0f023a55887b60c1eb432caf2db4a4d90eab5838fd8411e7e7b606da3fa9a53ce8a65f153f9d3ce30cfce82d848a5aae3637bbfca01872233a304efff99a197

  • SSDEEP

    98304:5GAdFqYLoMHlz3zc1V4nplSNwmo4Fd3mFR3c6iSPpp:lXqfIjc1Vypl5m1mP3JX

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51ad49a33d4116003b1bbfa4be0009c232eb8309728e6903ceebeac326def1c0.exe
    "C:\Users\Admin\AppData\Local\Temp\51ad49a33d4116003b1bbfa4be0009c232eb8309728e6903ceebeac326def1c0.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:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1964-0-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-1-0x0000000076F50000-0x0000000076F52000-memory.dmp

    Filesize

    8KB

  • memory/1964-2-0x00000000011A1000-0x0000000001424000-memory.dmp

    Filesize

    2.5MB

  • memory/1964-3-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-4-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-5-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-6-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-7-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-8-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-9-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-10-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-11-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-12-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-13-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB

  • memory/1964-14-0x00000000011A0000-0x0000000001E13000-memory.dmp

    Filesize

    12.4MB