Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/05/2026, 19:43

General

  • Target
    b53bc671c9d40eb8559114d142852a6a37fe1f88e4e867cd10d9ca1e2ff60c54.exe
  • Size 1022KB
  • Sample260502-yfap1aey41
  • SHA256 b53bc671c9d40eb8559114d142852a6a37fe1f88e4e867cd10d9ca1e2ff60c54
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 11 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b53bc671c9d40eb8559114d142852a6a37fe1f88e4e867cd10d9ca1e2ff60c54.exe
    "C:\Users\Admin\AppData\Local\Temp\b53bc671c9d40eb8559114d142852a6a37fe1f88e4e867cd10d9ca1e2ff60c54.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2616
  • C:\Windows\Syswow64\6f1e0727
    C:\Windows\Syswow64\6f1e0727
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4836

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        6f1e0727

        • Path C:\Windows\SysWOW64\6f1e0727
        • Size 1022KB
        • SHA256 9730afd6f2842e7fda8d7bc65cb5505d3c8fd659ca38d952fef06ba4d6f11369
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2616-0-0x0000000000470000-0x00000000004FC000-memory.dmp

        memory/2616-10-0x0000000000470000-0x00000000004FC000-memory.dmp

        memory/4836-3-0x0000000000650000-0x00000000006DC000-memory.dmp

        memory/4836-11-0x0000000000650000-0x00000000006DC000-memory.dmp

        memory/4836-29-0x0000000000650000-0x00000000006DC000-memory.dmp