Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 12:39

General

  • Target

    398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2.exe

  • Size

    91KB

  • MD5

    72c34dd10ceaa348570b64aba6b74729

  • SHA1

    931fdf0e15f22469ec60cda8873a7af3b5b8e09c

  • SHA256

    398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2

  • SHA512

    7c153c0b885277fdc2843457d33b21a338604bacb88e964fa93e6b3f9f7329f3004e0e3d7c52d86252b6d75158fd97d57c5693836bdd16f23b47d89b2113bea8

  • SSDEEP

    1536:bDIbkWWWipj69MME0n2ZXkZEkqVR1MpSv5:3Inqj69MICaJqVR+SB

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2.exe
    "C:\Users\Admin\AppData\Local\Temp\398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2.exe"
    1⤵
    • Drops startup file
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2.exe" "398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:64

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\Umbrella.flv.exe

    Filesize

    91KB

    MD5

    72c34dd10ceaa348570b64aba6b74729

    SHA1

    931fdf0e15f22469ec60cda8873a7af3b5b8e09c

    SHA256

    398f2f9f7a43f6805a946de7b19eb9c6882ffd6e4d38964c62a39b8d4fb6c9f2

    SHA512

    7c153c0b885277fdc2843457d33b21a338604bacb88e964fa93e6b3f9f7329f3004e0e3d7c52d86252b6d75158fd97d57c5693836bdd16f23b47d89b2113bea8

  • memory/2220-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

    Filesize

    4KB

  • memory/2220-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/2220-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/2220-14-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB

  • memory/2220-13-0x00000000749D2000-0x00000000749D3000-memory.dmp

    Filesize

    4KB

  • memory/2220-15-0x00000000749D0000-0x0000000074F81000-memory.dmp

    Filesize

    5.7MB