Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 02:16

General

  • Target

    1ca1e4ec5325607ce3415571a67f24ed6ac5600b17e951d32eff56b74df914cc.exe

  • Size

    4.2MB

  • MD5

    61a4aa459c78545cd49070518f54b37c

  • SHA1

    b135727a6924fa17ed1d681ca32a0e9e848ada1e

  • SHA256

    1ca1e4ec5325607ce3415571a67f24ed6ac5600b17e951d32eff56b74df914cc

  • SHA512

    e1bc7d99395c7401e6e76d4e781ba044c5354a0fb7982f5f6308be5f9d6e038be3712413c5e184741636b008530d2c44a88fd9509da1f8fde6905f2c80fe6eed

  • SSDEEP

    98304:tjNySVypUyxRWuHuNOvYQU6IjeH9YG1Nk+VoS:rySVylRHuN4ZdfNk

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\1ca1e4ec5325607ce3415571a67f24ed6ac5600b17e951d32eff56b74df914cc.exe
    "C:\Users\Admin\AppData\Local\Temp\1ca1e4ec5325607ce3415571a67f24ed6ac5600b17e951d32eff56b74df914cc.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:1540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1540-0-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-1-0x0000000076F00000-0x0000000076F02000-memory.dmp

    Filesize

    8KB

  • memory/1540-2-0x0000000000F91000-0x0000000001215000-memory.dmp

    Filesize

    2.5MB

  • memory/1540-3-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-4-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-5-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-6-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-7-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-8-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-9-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-10-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-11-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-12-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-13-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB

  • memory/1540-15-0x0000000000F90000-0x0000000001B72000-memory.dmp

    Filesize

    11.9MB