Overview

overview

10

Static

static

10

Enigma.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    1796s
  • max time network
    1147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11-11-2024 01:22

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General

  • Target

    Enigma.exe

  • Size

    93KB

  • MD5

    5a3fcabcbac79fd782d56cebf66cfcdf

  • SHA1

    c65e6972ee7a04a4b485f657866038c56ca07811

  • SHA256

    cf0b586b8bb3a236f839c3bef887406591bd95fdbef7d9cb2ad99fc127557833

  • SHA512

    f679f54b27bcd326dcad7ba591ebc92d71dca9cc28f49b17200580a32c30127dfb241e8d67c79f5fbbab2bb5357ba5583a0b20a978938475f824ecc02167c634

  • SSDEEP

    768:6Y3c9nD9O/pBcxYsbae6GIXb9pDX2t9zPL0OXLeuXxrjEtCdnl2pi1Rz4Rk3GsG9:a9xOx6baIa9ROj00ljEwzGi1dDiDZgS

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 2 TTPs 3 IoCs
    evasion
  • Drops startup file 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enigma.exe
    "C:\Users\Admin\AppData\Local\Temp\Enigma.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4260
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:5004
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4944

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    93KB

    MD5

    5a3fcabcbac79fd782d56cebf66cfcdf

    SHA1

    c65e6972ee7a04a4b485f657866038c56ca07811

    SHA256

    cf0b586b8bb3a236f839c3bef887406591bd95fdbef7d9cb2ad99fc127557833

    SHA512

    f679f54b27bcd326dcad7ba591ebc92d71dca9cc28f49b17200580a32c30127dfb241e8d67c79f5fbbab2bb5357ba5583a0b20a978938475f824ecc02167c634

    Download Submit

  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    5B

    MD5

    24e9e7d7eea4de90c8fc67ae1145abf2

    SHA1

    dd9bb46ccc6340ca892cf17ebe32b9bdbadee2d1

    SHA256

    bd6c1d15579254e8879ada07376f93cb2e959f45670374892fde2efaf4194f6c

    SHA512

    5572afd61c7ba666515a987f23ad0a05ab753bdc28cfa492adb30200207427a4a38699d3b7981e0750414775a4ce72a209511951d38a8673c709b08774fca01f

    Download Submit

  • memory/1348-14-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1348-15-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1348-45-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3992-0-0x00000000750A1000-0x00000000750A2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3992-1-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3992-2-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3992-13-0x00000000750A0000-0x0000000075651000-memory.dmp

    Filesize

    5.7MB

    Download