Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 07:40

General

  • Target

    91d22c615a675708fad7ddb68a64cf3f.exe

  • Size

    4.3MB

  • MD5

    91d22c615a675708fad7ddb68a64cf3f

  • SHA1

    3f83a7beba10482293899728cd505775f250c25f

  • SHA256

    71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798

  • SHA512

    fc286048549ae455f7379eb622a3b923d0218c9393a6f12b1964e027ffa154514a626aeb67a5cb3d85bc41edca9f0e689b352bcc268e6aa6a80f375944f16656

  • SSDEEP

    98304:amOieu7Ainw0RHGRsjjE7oi/9NDm9JV/8nF8XV+TteZ:amOieIAiFmRsjjMomNDBnbhe

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\91d22c615a675708fad7ddb68a64cf3f.exe
    "C:\Users\Admin\AppData\Local\Temp\91d22c615a675708fad7ddb68a64cf3f.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:452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/452-0-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-1-0x0000000077494000-0x0000000077496000-memory.dmp

    Filesize

    8KB

  • memory/452-2-0x0000000000991000-0x0000000000C1A000-memory.dmp

    Filesize

    2.5MB

  • memory/452-3-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-4-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-5-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-6-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-7-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-8-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-9-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-10-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-11-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-12-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-13-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-14-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-15-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-16-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-17-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-18-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-19-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-20-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-21-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-22-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-23-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB

  • memory/452-24-0x0000000000990000-0x00000000015D7000-memory.dmp

    Filesize

    12.3MB