Analysis

  • max time kernel
    150s
  • 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
    18-12-2024 15:23

General

  • Target

    936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467.exe

  • Size

    4.3MB

  • MD5

    f891ab6b632c63aaaee33ebb7f852cd1

  • SHA1

    c6dd9e40470f8b402ea7971bb813f10311a3eea4

  • SHA256

    936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467

  • SHA512

    429df9dc38c92ea731b89fa362fd255c33cdfcfad3d21213a91776db7a291fc86ae30f273e2fa590aa388750766e0ecfdf49487b4727ec3d2ed34b9033b4d227

  • SSDEEP

    98304:yBqLvMiRdNAv+T3J9CusDzZneOQ+zGe8m2slvOiZa:0+vNnq+T3JlYzZenaF8mXlB

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\936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467.exe
    "C:\Users\Admin\AppData\Local\Temp\936b00b9eb0c16bce573ebe9627f16adb1d663531acb6da4473eeeb3def7d467.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:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2600-0-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-1-0x00000000778B4000-0x00000000778B6000-memory.dmp

    Filesize

    8KB

  • memory/2600-2-0x0000000000421000-0x00000000006A4000-memory.dmp

    Filesize

    2.5MB

  • memory/2600-3-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-4-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-5-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-6-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-7-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-8-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-9-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-10-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-11-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB

  • memory/2600-12-0x0000000000420000-0x00000000010A1000-memory.dmp

    Filesize

    12.5MB