Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2024 02:28

General

  • Target

    71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.exe
    "C:\Users\Admin\AppData\Local\Temp\71bee394da6e85dbc2b1d660dd215346a3a957cf2aba4ab3d505a84f7fb12798.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:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2656-0-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-1-0x0000000077AD0000-0x0000000077AD2000-memory.dmp

    Filesize

    8KB

  • memory/2656-2-0x0000000001331000-0x00000000015BA000-memory.dmp

    Filesize

    2.5MB

  • memory/2656-3-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-4-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-5-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-6-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-7-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-8-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-9-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-10-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-11-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-12-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-13-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-14-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-15-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-16-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-17-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-18-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-19-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-20-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-21-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-22-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-23-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-24-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-25-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB

  • memory/2656-26-0x0000000001330000-0x0000000001F77000-memory.dmp

    Filesize

    12.3MB