Overview

overview

8

Static

static

5

2026-08-04...ar.exe

windows10-2004-x64

6

2026-08-04...ar.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 06:23

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General

  • Target
    2026-08-04_8c0e3a1040be1eb8424e30a8d33c4885_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
  • Size 1.9MB
  • Sample260804-g5f5msshmg
  • SHA256 8dc002efef1f676c5c7335397763da83df1a50d33cd0bd071979879fc18d71aa
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistenceupx

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

    discovery
  • NTFS ADS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-04_8c0e3a1040be1eb8424e30a8d33c4885_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_8c0e3a1040be1eb8424e30a8d33c4885_cobalt-strike_elex_hijackloader_icedid_njrat_vidar.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 3524
      2⤵
      • Program crash
      PID:1196
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 2288 -ip 2288
    1⤵
      PID:2872

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          wkw4D2.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\wkw4D2.tmp
          • Size 1.9MB
          • SHA256 e5adc46fb58af28c6a0ab2f3ebd9b849609e0676384ca8cc144018f328dae48c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/2288-0-0x0000000000400000-0x000000000044F000-memory.dmp
          Download

          memory/2288-96-0x0000000000400000-0x000000000044F000-memory.dmp
          Download

          memory/2288-207-0x0000000000400000-0x000000000044F000-memory.dmp
          Download