Analysis

  • max time kernel
    76s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2024 18:55

General

  • Target

    crysisisis.exe

  • Size

    4.3MB

  • MD5

    70c00b229ef625c6823fb7e499350b65

  • SHA1

    adcde6250040d3d713f770c2c9fd39c767cfc71d

  • SHA256

    8f26f91d2e4adb37d9c20e4bb09c8a896a15339e6021d289f4785696cc0c6e27

  • SHA512

    c6bbbbfee20e00ae048edad5187a34088079b9acf7c694ecf3f3ebba8eea93be44409ad9879e2f07c7b8b49c818d9c828bc29a419101fb8ebda01e91072e46a3

  • SSDEEP

    98304:1BBBJfpyobtKZ4XzeiA8m88S1AxNcYZGfgPSUBclP6SEcfX:HRfpyJeXzeIm3S1AxNccGfWKZfEcf

Malware Config

Signatures

  • 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.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\crysisisis.exe
    "C:\Users\Admin\AppData\Local\Temp\crysisisis.exe"
    1⤵
    • 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:1920
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1920-0-0x0000000000400000-0x0000000000E80000-memory.dmp

    Filesize

    10.5MB

  • memory/1920-1-0x0000000077680000-0x0000000077682000-memory.dmp

    Filesize

    8KB

  • memory/1920-12-0x0000000000401000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/1920-14-0x0000000000400000-0x0000000000E80000-memory.dmp

    Filesize

    10.5MB

  • memory/3056-15-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/3056-16-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/3056-17-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

  • memory/3056-18-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB