Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/05/2026, 14:09

General

  • Target
    88c01009_.exe
  • Size 5.2MB
  • Sample260529-rf7amset5q
  • SHA256 fdaabbf7b7585cc473502c21a1471f95de45d5492216e8e6c035e1856d6af9b1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • 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. 2 IoCs

    Inno Setup installer

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88c01009_.exe
    "C:\Users\Admin\AppData\Local\Temp\88c01009_.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Local\Temp\is-BNQUL.tmp\88c01009_.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BNQUL.tmp\88c01009_.tmp" /SL5="$50270,4438715,815616,C:\Users\Admin\AppData\Local\Temp\88c01009_.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3448

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        88c01009_.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-BNQUL.tmp\88c01009_.tmp
        • Size 3.3MB
        • SHA256 23bc23ba97c8b214134f1c41d56804157cba65c39c7d3fb5b6ec04d4853f4381
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1596-1-0x00000000001F0000-0x00000000002C7000-memory.dmp

        memory/1596-8-0x00000000001F0000-0x00000000002C7000-memory.dmp

        memory/3448-5-0x0000000001550000-0x0000000001551000-memory.dmp

        memory/3448-7-0x0000000000DD0000-0x0000000001134000-memory.dmp