Overview

overview

10

Static

static

10

2026-04-24...tr.exe

windows10-2004-x64

10

2026-04-24...tr.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 13:22

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General

  • Target
    2026-04-24_bd7e3ad0bb5e3d4738feb551f91e5171_cobalt-strike_elex_icedid_njrat_surtr.exe
  • Size 409KB
  • Sample260424-qmpthabs7v
  • SHA256 6e483d40a679f1d7e1a22276d54f5242679b62b3e1e12f71abb2a205b5d36d2c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareaspackv2discoverypersistencespyware

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 2 IoCs
  • Detects executables packed with ASPack 2 IoCs
  • ASPack v2.12-2.42 2 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Drops startup file 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 21 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-24_bd7e3ad0bb5e3d4738feb551f91e5171_cobalt-strike_elex_icedid_njrat_surtr.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_bd7e3ad0bb5e3d4738feb551f91e5171_cobalt-strike_elex_icedid_njrat_surtr.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3360
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
      PID:2308
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4268

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          desktop.ini.exe
          • Path C:\$Recycle.Bin\S-1-5-21-2122505878-652277452-2375749442-1000\desktop.ini.exe
          • Size 409KB
          • SHA256 a86b909f47c4dcff27504655b2d7074ca8358daa62065f1927d2b4f236d0e806
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          iexplore.exe.exe
          • Path C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
          • Size 1.2MB
          • SHA256 d8ac08a27f1ee63b48a44abd7adf31beaf7047594732209037588b27da41e684
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          AUTORUN.INF
          • Path F:\AUTORUN.INF
          • Size 145B
          • SHA256 cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/2308-51-0x0000000002880000-0x000000000292F000-memory.dmp
          Download

          memory/3360-0-0x00000000022D0000-0x00000000022D1000-memory.dmp
          Download

          memory/3360-56-0x00000000022D0000-0x00000000022D1000-memory.dmp
          Download

          memory/3360-55-0x0000000000A00000-0x0000000000ADF000-memory.dmp
          Download

          memory/4268-58-0x0000000003130000-0x00000000031DF000-memory.dmp
          Download