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
    27/04/2026, 05:09

General

  • Target
    2026-04-27_7b3e30f001ec023ec99aaded84945fa8_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
  • Size 405KB
  • Sample260427-ftfjasb15w
  • SHA256 ddad5514f15e2daaee2500d7ef3953cf77ec7fb4c5005a08c54f8e93332154e1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-27_7b3e30f001ec023ec99aaded84945fa8_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-27_7b3e30f001ec023ec99aaded84945fa8_amadey_cobalt-strike_elex_emotet_hellokitty_hijackloader.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5428
    • C:\Users\Admin\AppData\Local\Temp\armsvc32.exe
      "armsvc32.exe "
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5024
    • C:\Windows\SysWOW64\eventviewer.exe
      "C:\Windows\system32\eventviewer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 1552
        3⤵
        • Program crash
        PID:1724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5428 -s 1892
      2⤵
      • Program crash
      PID:1508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5428 -ip 5428
    1⤵
      PID:2720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 700 -ip 700
      1⤵
        PID:5364

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
            • Size 734B
            • SHA256 2787067d45e7d1bfd4c464584bf72760dbe43cb8cb2d19a64b5045fba69679d1
            • MD5 SHA1 SHA512 TLSH

            94C33D778ADC562180302FF1B77EFF1A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94C33D778ADC562180302FF1B77EFF1A
            • Size 203KB
            • SHA256 8bb93568c4a8a8ff6241a5421ca587bcfe375df314a6b2f2caaa3afdbdb5803b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
            • Size 192B
            • SHA256 f8f8bb95fa96d9917c04aedaa155a5af8af69bf28f4d48ac82c486695c6d6068
            • MD5 SHA1 SHA512 TLSH

            94C33D778ADC562180302FF1B77EFF1A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94C33D778ADC562180302FF1B77EFF1A
            • Size 246B
            • SHA256 41ff94e5a0cab55f3803bb8962dc5664464c7995a6bd2192e7b7ecc1fc16b9a8
            • MD5 SHA1 SHA512 TLSH

            armsvc32.exe

            • Path C:\Users\Admin\AppData\Local\Temp\armsvc32.exe
            • Size 168KB
            • SHA256 6af57a7da31749715ba29b3b55a2f4acdd53a72b4f179398d2bca80a6c4f4841
            • MD5 SHA1 SHA512 SSDEEP TLSH

            eventviewer.exe

            • Path C:\Windows\SysWOW64\eventviewer.exe
            • Size 88KB
            • SHA256 3baf58e8eb6f1dee7da7df83cb38925e69ffe130a02f667380cbee69aea17b15
            • MD5 SHA1 SHA512 SSDEEP TLSH