Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/07/2026, 05:59

General

  • Target
    2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe
  • Size 770KB
  • Sample260711-gp6qcsey21
  • SHA256 73ca46594ffdafa9cc8fe8640bb27db5711924690339480cd9849cf933dabca1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (258) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3500
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3360
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aB9F.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6116
      • C:\Users\Admin\AppData\Local\Temp\2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe"
        3⤵
        • Executes dropped EXE
        PID:3948
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4368
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1036
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4612
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4636

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXA3CE.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXA3CE.tmp
        • Size 157KB
        • SHA256 ea7df7904b506e7832bc64c6b23aed4a2742cf140474d3b529c3a3475fe9caea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA6ED.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXA6ED.tmp
        • Size 94KB
        • SHA256 60428751ef5d2c5306bb6debdce2f0ac47b7a618e0140e808648581a75a91d5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA98F.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXA98F.tmp
        • Size 103KB
        • SHA256 2df8a5116b25bb581114281f1fb76537cca2e460bb9a8879a3027dcd7858a1e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA9E0.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXA9E0.tmp
        • Size 91KB
        • SHA256 d7b9224e5ec685a9fb58ad76226bfcd9dd8327dc0aea11746b1e13627102ea4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA811.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXA811.tmp
        • Size 119KB
        • SHA256 78af3633facd1b0fdcc4d24ca358c44d85b093ac7aa38e1c7105ea03523ca4e5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXABB5.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXABB5.tmp
        • Size 100KB
        • SHA256 e7fd875fb768f95d8c447fd898404ddfdb190ca3dfffe239ac88034b92c64cfd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9AE8.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX9AE8.tmp
        • Size 92KB
        • SHA256 3889d6cf0af208d1232ba388d7bd5023dcf58b2fb8c30b1ad870de38d65e294a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX9E57.tmp

        • Path C:\Program Files\Mozilla Firefox\RCX9E57.tmp
        • Size 92KB
        • SHA256 a2199de72c2c99f3b91d9479daa865ff89cf1fa362d0de67deba12110d26d126
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXB04B.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXB04B.tmp
        • Size 93KB
        • SHA256 33467aa661a9db18610e54b08b3670cac3b31e66a48babb763b4652d65b510bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aB9F.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aB9F.bat
        • Size 823B
        • SHA256 b8ff8b1c6cf83fe8673f0854d24e980ae6ee72cbaa72bd4a477ba20d5ed04ab5
        • MD5 SHA1 SHA512 TLSH

        2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-11_6757d3cbf6c14d6b54ba75d602424d49_akira_cobalt-strike_elex_hijackloader.exe.exe
        • Size 677KB
        • SHA256 fb6c0990e4976b9a98320e0912842ec11aa380a0f237affd35ef9ad2e7667905
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 1fd1aa0395dcc95d061512cf5b6eda3480ac93582504c70bf8c9b18d858d2052
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        memory/1412-21-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1412-1120-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1412-1263-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3500-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4636-18-0x0000000000400000-0x0000000000429000-memory.dmp