Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 12:35

General

  • Target

    96f9444281236e1f7b82141a17388b3582532d06fd3054f1d3bc9c645577cc50_Sigmanly.exe

  • Size

    4.3MB

  • MD5

    67f2cced56a713de4e03a1cd622412d1

  • SHA1

    4955a1633b61237fa150958cbd83f3b8e41853c1

  • SHA256

    96f9444281236e1f7b82141a17388b3582532d06fd3054f1d3bc9c645577cc50

  • SHA512

    aa0abbec4b8df98976b09ebca6939514e06b1693a5112b0a19a7e480ecdd27c914382c1afb243af764424fd3e66772b59eff7a44836adea3f3acf2176206475d

  • SSDEEP

    98304:CR6VTURBOzdqSRZdTqE/5WAuJnsjQZSBnQV6GUOA:CQdUeBqSfdWE/qnNyQ1NA

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\96f9444281236e1f7b82141a17388b3582532d06fd3054f1d3bc9c645577cc50_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\96f9444281236e1f7b82141a17388b3582532d06fd3054f1d3bc9c645577cc50_Sigmanly.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:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2400-0-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-1-0x00000000779F0000-0x00000000779F2000-memory.dmp

    Filesize

    8KB

  • memory/2400-2-0x00000000003C1000-0x000000000064B000-memory.dmp

    Filesize

    2.5MB

  • memory/2400-3-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-4-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-5-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-6-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-7-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-8-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-9-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-10-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-11-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-12-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-13-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-14-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-15-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-16-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-17-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB

  • memory/2400-18-0x00000000003C0000-0x0000000001037000-memory.dmp

    Filesize

    12.5MB