Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 15:19

General

  • Target
    2026-10-18_42db7e6cd5960ce54d29ed49989f09b3_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 4.4MB
  • Sample261018-sqlmcsfx6v
  • SHA256 1c931cf17eee9316ab89edffbfdbae8998a0a98d869a90009a00406472e3af4a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (256) 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 2 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
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-18_42db7e6cd5960ce54d29ed49989f09b3_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-18_42db7e6cd5960ce54d29ed49989f09b3_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.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:2132
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4576
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aACF4.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1388
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3908
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4208
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3460
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4336
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3992
  • 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:1516

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AcroRd32.exe.Exe

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe.Exe
        • Size 2.8MB
        • SHA256 9d4459f5ee85f8779ad93948bb65288b2bdce8ff7f9c004e880a7943d04489fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX494C.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCX494C.tmp
        • Size 95KB
        • SHA256 360f4404145991217d81937241803db905191e890c83269e939d605a81172bd2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        disabledupdater.exe.Exe

        • Path C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe.Exe
        • Size 5.8MB
        • SHA256 e59980bca3e574dc941edc8772bc68a4151f31c4a4b5018ac775027da2263620
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX4DFD.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\RCX4DFD.tmp
        • Size 104KB
        • SHA256 2281ee5b674e35fb5f0135947fc386816ae1b8763024124b0e0ee92fb16543ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe.Exe
        • Size 4.0MB
        • SHA256 aa8fcb25ae531e5d5be9e6b077dee4c53d558deadde6de53245bab2bd8e2dbb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3BFE.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCX3BFE.tmp
        • Size 93KB
        • SHA256 f02fe1c9a291335b1661d0d3b6192b090d08f6a70b44e51137f0110841963687
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3EFE.tmp

        • Path C:\Program Files\Microsoft Office 15\ClientX64\RCX3EFE.tmp
        • Size 157KB
        • SHA256 f554856bcd57db5bf493f54d47d21644bf565ef1076df4727733e0e72c421339
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3ECD.tmp

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\RCX3ECD.tmp
        • Size 92KB
        • SHA256 af849ff678b5f93995f76949bde9bb71c029941843f59ee54ccedcc2290f0fe2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        maintenanceservice_installer.exe.Exe

        • Path C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe.Exe
        • Size 285KB
        • SHA256 cbc0afaf72bcdd094d423a5996cfb547fdec1896ab78384f70d4eceb4e0dc7c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX3F92.tmp

        • Path C:\Program Files\VideoLAN\VLC\RCX3F92.tmp
        • Size 93KB
        • SHA256 69048b647e01eb8ff7e90ba4e50920ca035200b1e10460e75caa8ee2e10de9cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dotnet.exe.Exe

        • Path C:\Program Files\dotnet\dotnet.exe.Exe
        • Size 237KB
        • SHA256 e87681c72965b851aa904baffa0901d38143bf7dcd827c4c64532a02c572d496
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX54AD.tmp

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCX54AD.tmp
        • Size 93KB
        • SHA256 912173cda97507e7ab75c9a4c576c3b2acefed4db32cca52e64ceb7d9d3cbf82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aACF4.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aACF4.bat
        • Size 902B
        • SHA256 dd6633e9c524d8c43060be60689d15e51ffb7889eef6556778ab2150a600b3d2
        • MD5 SHA1 SHA512 TLSH

        2026-10-18_42db7e6cd5960ce54d29ed49989f09b3_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-10-18_42db7e6cd5960ce54d29ed49989f09b3_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 4.3MB
        • SHA256 bb8a7677d93c96131f967920334c5d278a8ce0912275b0c4cc56c6260b0ebda5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 497759c0c30a42afae516926d071cfaabc0831b1c8a02b0969346e64e9e0ad10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/1516-16-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/2132-10-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3908-908-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3908-19-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3908-1527-0x0000000000400000-0x0000000000429000-memory.dmp