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Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2024, 16:17

General

  • Target

    29e237eb2a31461d74a6abd7edd62f154b45755bb1bc3727129cf8c968f896f5N.exe

  • Size

    4.2MB

  • MD5

    e82c52c242e891baa04c7d4c475806b0

  • SHA1

    e8d5c8b19fba9ab4c9c30581466cf92d4cc5b13b

  • SHA256

    29e237eb2a31461d74a6abd7edd62f154b45755bb1bc3727129cf8c968f896f5

  • SHA512

    4e863805a396d10924b2e389724ff8aef5d3b35b3449b0f6f84743ac2e5fa5ec686ddc75a34e4a2e14807900c53a9ea69f7c41f472043638fded1c191a5643a2

  • SSDEEP

    98304:syDDhFy941aPHMuUnd3Geok/euJHZC+fEzGUJkfdCwgJrf:syXhF84MPMPnu8nHZC+8zGUJkMwg

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\29e237eb2a31461d74a6abd7edd62f154b45755bb1bc3727129cf8c968f896f5N.exe
    "C:\Users\Admin\AppData\Local\Temp\29e237eb2a31461d74a6abd7edd62f154b45755bb1bc3727129cf8c968f896f5N.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:1272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1272-0-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-1-0x0000000077B50000-0x0000000077B52000-memory.dmp

    Filesize

    8KB

  • memory/1272-2-0x0000000000321000-0x00000000005A5000-memory.dmp

    Filesize

    2.5MB

  • memory/1272-3-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-4-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-5-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-6-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-7-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-8-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-9-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-10-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-11-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-13-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB

  • memory/1272-14-0x0000000000320000-0x0000000000FE1000-memory.dmp

    Filesize

    12.8MB