Analysis

  • max time kernel
    149s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/05/2026, 07:21

General

  • Target
    2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 330KB
  • Sample260505-h6s19sat3x
  • SHA256 99dcfd49ad0170fc0fc4c098462eb38b53a621935a73219c25bae4af506d2de2
  • 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 3 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\2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_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:4544
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2880
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6C13.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Users\Admin\AppData\Local\Temp\2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
        "C:\Users\Admin\AppData\Local\Temp\2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
        3⤵
        • Executes dropped EXE
        PID:1440
    • 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:2424
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4804
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4520
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3832
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2264
  • 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:4052

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCX471.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCX471.tmp
        • Size 139KB
        • SHA256 decf10871afed84f0ab312cb62b031154e5d158b0c08edc09a4f9a67da2195ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AdobeARM.exe.Exe

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe.Exe
        • Size 1.2MB
        • SHA256 17d5db4929d7c751a703f742127b0d330c1a948173ac4d46f7bb0af36a9eae5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX71A.tmp

        • Path C:\Program Files (x86)\Google\Update\RCX71A.tmp
        • Size 74KB
        • SHA256 13aed7b0b812c039b414ea8e3c4ec13a33400cdfefff6c1454cb929bb345822d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX928.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCX928.tmp
        • Size 86KB
        • SHA256 ab02528c1f7a9bcd7b8211d6bbb65aedcc3f10dd15d3ba7fa032cc0f28fa09b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe.Exe
        • Size 4.0MB
        • SHA256 0440889a65d9f32774fc7ab04400141dfd914a5dcdb32aac0e068ad4972aba21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXA45.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXA45.tmp
        • Size 83KB
        • SHA256 980a814c422376242245e8d04a62fd4d6455e2bbf413b85fcd594168d1c80796
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXF97F.tmp

        • Path C:\Program Files\7-Zip\RCXF97F.tmp
        • Size 74KB
        • SHA256 15450d5419f137910e8eaf1f6d90d0b683840b84c7135c52496fe4d8e8767cc9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        HideUninstall.exe.Exe

        • Path C:\Program Files\HideUninstall.exe.Exe
        • Size 362KB
        • SHA256 8975c46f96a1023026cefd35a232716cf8d3367dc9fbd4a2ce86c99f09087a64
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXFABF.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXFABF.tmp
        • Size 75KB
        • SHA256 61f0ba9bc0184172f82313f06f5778dcb642872371bca71d4c7dcecaacc183f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXE6C.tmp

        • Path C:\ProgramData\Adobe\Setup\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\RCXE6C.tmp
        • Size 75KB
        • SHA256 994d6d1cebbda2d58efff3abc77336ef40b52a14467e75bae819a8ad15762757
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXEAC.tmp

        • Path C:\ProgramData\Package Cache\{33d1fd90-4274-48a1-9bc1-97e33d9c2d6f}\RCXEAC.tmp
        • Size 75KB
        • SHA256 f559154c3f178db561ec82a271c9c1c0160ce71afe6afb2234c7d9c9a596e778
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a6C13.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a6C13.bat
        • Size 902B
        • SHA256 099baa236de8192410f67f0e5c8245ab09491f34fcf1e08cc990597488acfab4
        • MD5 SHA1 SHA512 TLSH

        2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-05_9e8e796a87fc5a77a4e3571fc686d722_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe.exe
        • Size 241KB
        • SHA256 66adbdbd251a5b9c37bc1448952e56e99c3b4ab7893aebdac0662ed987f24781
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 89KB
        • SHA256 f8b17fbe57fdb1da07e505ddcf47ed404664ca9ed1a3539b8507c12999564840
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

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

        memory/2424-18-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/2424-906-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/2424-1260-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/4052-16-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/4544-10-0x0000000000400000-0x0000000000425000-memory.dmp