Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 10:56

General

  • Target
    2a28fb5bf2ccaf47bae73826952a1e84e263207bc7c4872a322597e757b58b02.exe
  • Size 2.4MB
  • Sample260910-m14yssbk7y
  • SHA256 2a28fb5bf2ccaf47bae73826952a1e84e263207bc7c4872a322597e757b58b02
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a28fb5bf2ccaf47bae73826952a1e84e263207bc7c4872a322597e757b58b02.exe
    "C:\Users\Admin\AppData\Local\Temp\2a28fb5bf2ccaf47bae73826952a1e84e263207bc7c4872a322597e757b58b02.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:5012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 10528
      2⤵
      • Program crash
      PID:2676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5012 -ip 5012
    1⤵
      PID:3572

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          wkw4D2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 384KB
          • SHA256 c8ccdd33c9b167eded003c99f8d756e487075c83940608c09d0b1519861dcb69
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5012-401-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/5012-678-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/5012-1029-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/5012-1274-0x0000000000400000-0x000000000044C000-memory.dmp

          memory/5012-1445-0x0000000000400000-0x000000000044C000-memory.dmp