Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    21/04/2026, 04:36

General

  • Target
    1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e.exe
  • Size 4.3MB
  • Sample260421-e8m19ahx3j
  • SHA256 1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 4 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e.exe
      "C:\Users\Admin\AppData\Local\Temp\1dd9d6caf751f962bc77341607883797f96e7395f14fa0b20681980c2abc676e.exe" --statistics=https://api.browser.yandex.ru/installstats/send/dtype=stred/pid=457/cid=72992/path=extended_stat/vars=-action=service_unused,-brand_id=unknown,-error=UNKNOWN_COMMAND,-installer_type=service,-launched=false,-old_style=1,-old_ver=,-result=0,-stage=error,-ui=EB3FEBF6_AC0C_4789_87F9_5E6F93F1DDD5/*
      2⤵
      • Drops file in Windows directory
      PID:3552

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        yandex_browser_service_update.log

        • Path C:\Windows\SystemTemp\yandex_browser_service_update.log
        • Size 3KB
        • SHA256 5d5ca697d2051c57a38c53f25e09fa22f1e4213067bbc2f2e966f973aad144b2
        • MD5 SHA1 SHA512 TLSH

        yandex_browser_service_update.log

        • Path C:\Windows\SystemTemp\yandex_browser_service_update.log
        • Size 4KB
        • SHA256 ba3acf6ac043fbcda86e361d60af3c17ad0eaa4c1fc87b2b28cb1b3b89e4b990
        • MD5 SHA1 SHA512 SSDEEP TLSH

        yandex_browser_service_update.log

        • Path C:\Windows\SystemTemp\yandex_browser_service_update.log
        • Size 2KB
        • SHA256 20e084317b32189c729c87184a4a3c3fa5963417c357475074c54a4871d3d3d3
        • MD5 SHA1 SHA512 TLSH

        memory/3552-24-0x000001DC48920000-0x000001DC489CF000-memory.dmp

        memory/3552-28-0x000001DC48920000-0x000001DC489CF000-memory.dmp