Resubmissions

05/08/2026, 14:49

260805-r6zcqabg648

04/08/2026, 15:40

260804-s4ar1stdnb8

Analysis

  • user interaction
    yes
  • max time kernel
    179s
  • max time network
    178s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/08/2026, 15:40

General

  • Target
    balloons.exe
  • Size 2.6MB
  • Sample260804-s4ar1stdnb
  • SHA256 ee38d2feb95a01c192ef7b60631b78e6feab9360a0af2fc2d0518c68a63686c6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\balloons.exe
    "C:\Users\Admin\AppData\Local\Temp\balloons.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\is-YCTV6OLAR2.tmp\balloons.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-YCTV6OLAR2.tmp\balloons.tmp" /SL5="$E020E,1417672,876032,C:\Users\Admin\AppData\Local\Temp\balloons.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Users\Admin\AppData\Local\Programs\Balloons\Balloons.exe
        "C:\Users\Admin\AppData\Local\Programs\Balloons\Balloons.exe" -update
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3948

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Balloons.exe

        • Path C:\Users\Admin\AppData\Local\Programs\Balloons\Balloons.exe
        • Size 251KB
        • SHA256 ca70e678bd014f75b523c902e8b7099113b982fdc4dd5152aae684ee54996db2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        balloons.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-YCTV6OLAR2.tmp\balloons.tmp
        • Size 4.2MB
        • SHA256 25db412a51b39e2d389153c357a575f64a3d971a8a3477f842ade2da3f80b064
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2436-63-0x00000000005F0000-0x00000000006D4000-memory.dmp

        memory/2436-7-0x00000000005F0000-0x00000000006D4000-memory.dmp

        memory/2436-0-0x00000000005F0000-0x00000000006D4000-memory.dmp

        memory/2900-50-0x0000000000CE0000-0x0000000001120000-memory.dmp

        memory/2900-8-0x0000000000CE0000-0x0000000001120000-memory.dmp

        memory/2900-62-0x0000000000CE0000-0x0000000001120000-memory.dmp

        memory/2900-5-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

        memory/3948-57-0x00000174B6820000-0x00000174B685E000-memory.dmp

        memory/3948-58-0x00000174D0DA0000-0x00000174D0DB0000-memory.dmp

        memory/3948-59-0x00000174B6D30000-0x00000174B6D38000-memory.dmp

        memory/3948-60-0x00000174D0DB0000-0x00000174D0DE8000-memory.dmp

        memory/3948-61-0x00000174D0D50000-0x00000174D0D5E000-memory.dmp

        memory/3948-64-0x00000174D0DA0000-0x00000174D0DB0000-memory.dmp