Overview

overview

4

Static

static

1

Downgrade_...ck.exe

windows10-2004-x64

4

Downgrade_...ck.exe

windows11-ltsc_2024-x64

4

Analysis

  • max time kernel
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/06/2026, 09:22

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General

  • Target
    Downgrade_Apk_pack.exe
  • Size 818.7MB
  • Sample260624-lbvs6aa17w
  • SHA256 e9dca682372511f6c863cc883d7b5cb15782b36784f2bf7b282439a44f369d33
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10
discoveryinstaller

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in Program Files directory 64 IoCs
  • 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.

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

    Inno Setup installer

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Downgrade_Apk_pack.exe
    "C:\Users\Admin\AppData\Local\Temp\Downgrade_Apk_pack.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\is-CT9KR.tmp\Downgrade_Apk_pack.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-CT9KR.tmp\Downgrade_Apk_pack.tmp" /SL5="$7027C,858051295,121344,C:\Users\Admin\AppData\Local\Temp\Downgrade_Apk_pack.exe"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2864

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        Downgrade_Apk_pack.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-CT9KR.tmp\Downgrade_Apk_pack.tmp
        • Size 1.1MB
        • SHA256 9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1148-0-0x0000000000400000-0x0000000000428000-memory.dmp
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        memory/1148-8-0x0000000000400000-0x0000000000428000-memory.dmp
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        memory/1148-274-0x0000000000400000-0x0000000000428000-memory.dmp
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        memory/2864-6-0x0000000002440000-0x0000000002441000-memory.dmp
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        memory/2864-10-0x0000000002440000-0x0000000002441000-memory.dmp
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        memory/2864-9-0x0000000000400000-0x000000000052E000-memory.dmp
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        memory/2864-173-0x0000000000400000-0x000000000052E000-memory.dmp
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        memory/2864-225-0x0000000000400000-0x000000000052E000-memory.dmp
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        memory/2864-265-0x0000000000400000-0x000000000052E000-memory.dmp
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        memory/2864-273-0x0000000000400000-0x000000000052E000-memory.dmp
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