Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 04:35

General

  • Target

    fed379542f4f9612075be78489e29523ff3c2cff2f218d228578bf05f11a07cb.exe

  • Size

    4.2MB

  • MD5

    a3a9797a4b0ce1f732874b14ebe4be70

  • SHA1

    e60e69c699bbcafb2da2fee4edc79767c422cbc3

  • SHA256

    fed379542f4f9612075be78489e29523ff3c2cff2f218d228578bf05f11a07cb

  • SHA512

    540184220d9142bc8878a70d505079f8f341670ead8b5dcad1232a43239b160a5cd499344b2be73fed3173feae7901c016ea89a28cac06776564664526bb3181

  • SSDEEP

    98304:G1ZL7jHXhvg2sbyq9s2VLxVeaHRzEOHDhP8vI05o8m/1fH+vV:OL7jhlsbyIzqGxFFUvv5o8m/J+9

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\fed379542f4f9612075be78489e29523ff3c2cff2f218d228578bf05f11a07cb.exe
    "C:\Users\Admin\AppData\Local\Temp\fed379542f4f9612075be78489e29523ff3c2cff2f218d228578bf05f11a07cb.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/2524-0-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-1-0x0000000077260000-0x0000000077262000-memory.dmp

    Filesize

    8KB

  • memory/2524-2-0x00000000008B1000-0x0000000000B34000-memory.dmp

    Filesize

    2.5MB

  • memory/2524-3-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-4-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-5-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-6-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-7-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-8-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-9-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-10-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-11-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-12-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-13-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-14-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-15-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-16-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB

  • memory/2524-17-0x00000000008B0000-0x0000000001527000-memory.dmp

    Filesize

    12.5MB