Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2024 15:50

General

  • Target

    6eb9cd9fe518bd6649b3db9de8478d7e8570fa22272b111a76c491749e049994_Sigmanly.exe

  • Size

    4.3MB

  • MD5

    339948cf14bfed6a4e1cd717beeb9fff

  • SHA1

    5579437dde79a533dd625fb7fb1ccdb6226e3364

  • SHA256

    6eb9cd9fe518bd6649b3db9de8478d7e8570fa22272b111a76c491749e049994

  • SHA512

    483ee1fcd7ac2262e90feb4bf38a7a11a4f76a77d577cda49fb0e6ddf30db36f33819af2dced92d7af156fc25132878cd2b69fe4e210698562990e80ff1f4733

  • SSDEEP

    49152:I2c+UqRHoBg+InSsYjp0UE2fHvc/IMqDwU8PU+WKOUSjJSU1lSINnjnwcLH3bsAn:Dc+Uq2/IVyqUigjDLbSIxwPD6Ew

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\6eb9cd9fe518bd6649b3db9de8478d7e8570fa22272b111a76c491749e049994_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\6eb9cd9fe518bd6649b3db9de8478d7e8570fa22272b111a76c491749e049994_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:1072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1072-0-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-1-0x0000000077200000-0x0000000077202000-memory.dmp

    Filesize

    8KB

  • memory/1072-2-0x0000000000F31000-0x00000000011BB000-memory.dmp

    Filesize

    2.5MB

  • memory/1072-3-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-4-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-5-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-6-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-7-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-8-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-9-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-10-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-11-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-12-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-13-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-14-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-15-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-16-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB

  • memory/1072-17-0x0000000000F30000-0x0000000001BC7000-memory.dmp

    Filesize

    12.6MB