Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/04/2026, 21:01

General

  • Target
    feee7158c389ae115e89440734de9be7b002c20c1d763263d038860bbdb008ae.exe
  • Size 830KB
  • Sample260418-zvcctaft21
  • SHA256 feee7158c389ae115e89440734de9be7b002c20c1d763263d038860bbdb008ae
  • 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 15 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\feee7158c389ae115e89440734de9be7b002c20c1d763263d038860bbdb008ae.exe
    "C:\Users\Admin\AppData\Local\Temp\feee7158c389ae115e89440734de9be7b002c20c1d763263d038860bbdb008ae.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:3048
  • C:\Windows\Syswow64\4edd4338
    C:\Windows\Syswow64\4edd4338
    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:1160

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        4edd4338

        • Path C:\Windows\SysWOW64\4edd4338
        • Size 830KB
        • SHA256 5b41093090321e214d2afe7f2079938db99484e8b5d66da55e78457a7a38d71a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1160-4-0x0000000000F80000-0x000000000100C000-memory.dmp

        memory/1160-11-0x0000000000F80000-0x000000000100C000-memory.dmp

        memory/1160-32-0x0000000000F80000-0x000000000100C000-memory.dmp

        memory/3048-0-0x0000000000E60000-0x0000000000EEC000-memory.dmp

        memory/3048-10-0x0000000000E60000-0x0000000000EEC000-memory.dmp