Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 08:57

General

  • Target
    2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_akira_cobalt-strike_elex_hijackloader.exe
  • Size 770KB
  • Sample260712-kwtk6ae17q
  • SHA256 3eb79a7b2a77c14ac1f00eb84c38909789473bec1a383854b684293a8160a90f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (257) 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\2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_akira_cobalt-strike_elex_hijackloader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_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:1352
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5688
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3340
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a360A.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3836
      • C:\Users\Admin\AppData\Local\Temp\2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_akira_cobalt-strike_elex_hijackloader.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_akira_cobalt-strike_elex_hijackloader.exe"
        3⤵
        • Executes dropped EXE
        PID:4548
    • 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:5368
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4088
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2664
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5776
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3040
  • 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:2952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXCE39.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXCE39.tmp
        • Size 156KB
        • SHA256 807de63f949c7a42263e6781bdb5686013498377d7c793a33f45a3866db9125a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD0AD.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXD0AD.tmp
        • Size 94KB
        • SHA256 a59eca29b90378fb12031308e380e1a313ec65e22a6061d044ac80816490e077
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD3AC.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXD3AC.tmp
        • Size 103KB
        • SHA256 99b606d01c566ec45baa50df48c554ce7d1b6b4cc49c739a6e5c3115ae0c879b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD40D.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXD40D.tmp
        • Size 90KB
        • SHA256 5afa0245aa83b58c27e6679aba10879dbdfccf4fe34bb629ec1f8c1e5f24c13d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD20F.tmp

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\RCXD20F.tmp
        • Size 118KB
        • SHA256 b5962a9f6e52238603547266f214690dd0a3f44c27031eb7c5d380b6740183f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD5A3.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXD5A3.tmp
        • Size 99KB
        • SHA256 ea68a190c49dad0f71b2cd66a165cf0d0ab6ee469b9e084f1a43e04d9f8bf492
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC387.tmp

        • Path C:\Program Files\7-Zip\RCXC387.tmp
        • Size 91KB
        • SHA256 d64ed1f0886ec2d7ce8983602d28049745dcbb665abe16ed7f923d7d948388a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC542.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXC542.tmp
        • Size 91KB
        • SHA256 c634dbba1f300911f4d72583f9830b27c68e7119f47054e1fc61fa956b462988
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC802.tmp

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\RCXC802.tmp
        • Size 91KB
        • SHA256 580a5632b59bb6822caa68a02354ccb1325ba2d71499b350edea55db5faf6a2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a360A.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a360A.bat
        • Size 824B
        • SHA256 ddc22f62f14dcd13e66e1caf6cfa8c2acfee1ddc7f44717629371f184589ee86
        • MD5 SHA1 SHA512 TLSH

        2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_akira_cobalt-strike_elex_hijackloader.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-12_8ecb403cff74d7b8e8305aa0fd6daa4f_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 9c8e3226b89514ee0535207c12d4563fd689726db29d1311e8dca864ddb4d22f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/1352-0-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/1352-12-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2952-20-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5368-23-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5368-875-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5368-1263-0x0000000000400000-0x0000000000429000-memory.dmp