Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 12:51

General

  • Target

    random.exe.6.exe

  • Size

    4.3MB

  • MD5

    0727f6695b901a967a15595da4d44ba9

  • SHA1

    78d6de0388e64b5a99d84ad66a34bd6910820c05

  • SHA256

    cc3d2a27b65460eaab6b10b54deb020607d2224b7f59bcb7e1c39dc6a0448014

  • SHA512

    3ef1e7c3579650a3f8e4572e72ccfa2a297af44011e42815f12404a0102eb15b1e9c0f61920a340e7ab9af5297c4ea222066ab556b15a02aee2a66ac12d8bfd1

  • SSDEEP

    98304:poFB3fFGSsbtiWXpD7xjVw+UEln+YxnSwxMETRdavZq0hzpK5zjcs:pURsbtVhxe+UYn+Gk8ROME

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\random.exe.6.exe
    "C:\Users\Admin\AppData\Local\Temp\random.exe.6.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:2524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2524-0-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-1-0x00000000774E0000-0x00000000774E2000-memory.dmp

    Filesize

    8KB

  • memory/2524-2-0x0000000001081000-0x0000000001304000-memory.dmp

    Filesize

    2.5MB

  • memory/2524-3-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-4-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-5-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-6-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-7-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-8-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-9-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-10-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-11-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-12-0x0000000001080000-0x0000000001D06000-memory.dmp

    Filesize

    12.5MB