Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/10/2026, 12:27

General

  • Target
    ReservasAmigos-1.4.0-Windows-x86.exe
  • Size 1.4MB
  • Sample261002-pm43rawwez
  • SHA256 ad32cad9cfc8c820e5c91d750796ed93f573f2335fc2dd87692e28dfc28626e5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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 use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ReservasAmigos-1.4.0-Windows-x86.exe
    "C:\Users\Admin\AppData\Local\Temp\ReservasAmigos-1.4.0-Windows-x86.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\InstallTransaction.exe
      "C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\InstallTransaction.exe" "validate" "C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86" "C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a" "1.4.0.0" "x86" "false" "C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\result.txt"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2680
    • C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\InstallTransaction.exe
      "C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\InstallTransaction.exe" "install" "C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86" "C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a" "1.4.0.0" "x86" "false" "C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\result.txt"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3364

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        InstallTransaction.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\InstallTransaction.exe.log
        • Size 42B
        • SHA256 d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b
        • MD5 SHA1 SHA512

        LEEME.txt

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\LEEME.txt
        • Size 6KB
        • SHA256 1f2933c40612f9b299488fecc70508040694e7392880dee7d000ef5b945f2581
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ReservasAmigos.exe

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\ReservasAmigos.exe
        • Size 678KB
        • SHA256 bf7bca334220f43f3716b11a7b4c3561691b575bd39921deb195d433be91cd06
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ReservasAmigos.exe.config

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\ReservasAmigos.exe.config
        • Size 160B
        • SHA256 3c751794737ca93b756d36c0d08f9693b281c1844be4e74da18901c9fce132e3
        • MD5 SHA1 SHA512 TLSH

        SHA256.json

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\SHA256.json
        • Size 900B
        • SHA256 5677ed32c6ddbaa50408dd68223c8152b400ca69bdfd63bfc955344dfd1bb969
        • MD5 SHA1 SHA512 TLSH

        SQLITE-PROVENANCE.json

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\SQLITE-PROVENANCE.json
        • Size 867B
        • SHA256 7c43cbacc811a2f692bcbf39ed8c119ceb899bceec395dc467b4a5f0f88bb96c
        • MD5 SHA1 SHA512 TLSH

        catalog.json

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\catalog.json
        • Size 650KB
        • SHA256 ea05f223d6e0fd38c7386508ab2dddb68765e37b41495d5fce821516c0d1ba9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Programs\ReservasAmigosLocal-x86\.stage-1.4.0.0-04fc5a6f56dc40a199c9307c6d4fe15a\native\x86\sqlite3.dll
        • Size 2.5MB
        • SHA256 1c2fcfa7632b6025829e3539142f1b7ebdbc5bb44d4fd6cc0f42f83715d2eb9f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstallTransaction.exe

        • Path C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\InstallTransaction.exe
        • Size 15KB
        • SHA256 91901b2c43a5c644121cfafc8c21f57c1d5b3881f300fc8a66c462c9963344c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        result.txt

        • Path C:\Users\Admin\AppData\Local\Temp\.reservas-installer-04fc5a6f56dc40a199c9307c6d4fe15a\result.txt
        • Size 330B
        • SHA256 1de49c28c7d1f10a57c8372328360f78a364ff02d87c8ced5634aae4c623cd54
        • MD5 SHA1 SHA512 TLSH

        memory/2680-9-0x0000000000BA0000-0x0000000000BAA000-memory.dmp

        memory/3364-23-0x00000000018B0000-0x00000000018C0000-memory.dmp

        memory/4380-0-0x0000000000190000-0x00000000002F4000-memory.dmp

        memory/4380-2-0x0000000004CE0000-0x0000000004D72000-memory.dmp

        memory/4380-1-0x00000000053C0000-0x0000000005964000-memory.dmp

        memory/4380-12-0x0000000009C80000-0x0000000009C92000-memory.dmp

        memory/4380-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

        memory/4380-3-0x0000000004FC0000-0x0000000004FD0000-memory.dmp