Analysis

  • max time kernel
    120s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 14:35

General

  • Target

    bae82b7001b12878a9fef23387ad1730N.exe

  • Size

    93KB

  • MD5

    bae82b7001b12878a9fef23387ad1730

  • SHA1

    3b6719573121db102b8d87f32c7bad03150fbfbc

  • SHA256

    f67835972297a83239c92c4f76eafa46d6d34c87af3bff31fb8d2f034873f831

  • SHA512

    7ce11f025038081b61d02dfe68a14a3e410c75a46d2f82d1bb89cb929e85b71f949d4bb82e057cc943e6c541df0f10c6122518eb0bcad652a233bece83c03bff

  • SSDEEP

    768:vY3Kx530YTXspgM0m2zGjpyDtdXWuDtXfLWhyXxrjEtCdnl2pi1Rz4Rk3TsGdpR3:jxZ0AA0mT1mrWgL5jEwzGi1dD/DRgS

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 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 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bae82b7001b12878a9fef23387ad1730N.exe
    "C:\Users\Admin\AppData\Local\Temp\bae82b7001b12878a9fef23387ad1730N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\ProgramData\server.exe
      "C:\ProgramData\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • 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:1896
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\ProgramData\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3836
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4152,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
    1⤵
      PID:4728

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\server.exe

      Filesize

      93KB

      MD5

      bae82b7001b12878a9fef23387ad1730

      SHA1

      3b6719573121db102b8d87f32c7bad03150fbfbc

      SHA256

      f67835972297a83239c92c4f76eafa46d6d34c87af3bff31fb8d2f034873f831

      SHA512

      7ce11f025038081b61d02dfe68a14a3e410c75a46d2f82d1bb89cb929e85b71f949d4bb82e057cc943e6c541df0f10c6122518eb0bcad652a233bece83c03bff

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

      Filesize

      5B

      MD5

      bbcd2be775370c1e106e66d077a93f3b

      SHA1

      a44b6a98f30e3275fc304bc3b29e0eab8ae47f20

      SHA256

      a7aa76f137ba550c381cfb8e5195a01963ae49db167e1cd1e0a8b902ed81eda1

      SHA512

      bb6e0d1f24253a9525fd538debf8ca68eb7078cb8539140c184331a854ecdea192fbcc314c4154a0a474c9aec41a79efeb8150922454c3c9e71eeb5297ae2f72

    • memory/1476-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

      Filesize

      4KB

    • memory/1476-1-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1476-2-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1476-13-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1896-14-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1896-15-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/1896-36-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB