Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 11:27

General

  • Target

    95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1.exe

  • Size

    91KB

  • MD5

    a458a33e5591c3fd7f7c8ae58d50ce55

  • SHA1

    e9342f2bd7db767d12e0b5faa1f2918bdabafe77

  • SHA256

    95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1

  • SHA512

    4891d5e2cee561b87ff2399392168eaedc4df7fc312f0f00949dc97e9098bdb74e13f4a07ce42d660205c0afe55419ac1fbe6c328b343e267d626289b0e6e81e

  • SSDEEP

    768:nGZefiM+0uGAfIi+qXuzMywjZdLJakHX+xWvYR4SYzktFI3tr3/iTnRVOR1MY4ss:hfil0pUjBjZdL4kHG5mktQJVR1Fpiv

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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
  • 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 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1.exe
    "C:\Users\Admin\AppData\Local\Temp\95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1.exe"
    1⤵
    • Drops startup file
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1.exe" "95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\Umbrella.flv.exe

    Filesize

    91KB

    MD5

    a458a33e5591c3fd7f7c8ae58d50ce55

    SHA1

    e9342f2bd7db767d12e0b5faa1f2918bdabafe77

    SHA256

    95e922bc96ec909a9eb80ae3716af0038ee3de24fc22b569c527764bf3be27a1

    SHA512

    4891d5e2cee561b87ff2399392168eaedc4df7fc312f0f00949dc97e9098bdb74e13f4a07ce42d660205c0afe55419ac1fbe6c328b343e267d626289b0e6e81e

  • memory/3004-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

    Filesize

    4KB

  • memory/3004-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

    Filesize

    5.7MB

  • memory/3004-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

    Filesize

    5.7MB

  • memory/3004-37-0x0000000074A20000-0x0000000074FCB000-memory.dmp

    Filesize

    5.7MB

  • memory/3004-36-0x0000000074A20000-0x0000000074FCB000-memory.dmp

    Filesize

    5.7MB