Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 04:48

General

  • Target
    2026-04-20_4bd1dda23ecf6bc8726c077b5279ec0f_amadey_cobalt-strike_coinminer_hijackloader_icedid_luca-.exe
  • Size 4.4MB
  • Sample260420-fe4ycads8x
  • SHA256 a4e7788ac20159c0df70608a54fbfe6a963f9c36cd6a1d7ff042fdaa4511498f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_4bd1dda23ecf6bc8726c077b5279ec0f_amadey_cobalt-strike_coinminer_hijackloader_icedid_luca-.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_4bd1dda23ecf6bc8726c077b5279ec0f_amadey_cobalt-strike_coinminer_hijackloader_icedid_luca-.exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3168
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELCBD.tmp
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 4.8MB
        • SHA256 f07c0190399984fdc9f2b872916c63098d71581541d7c163579a568ff940e65b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WELCBD.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\WELCBD.tmp
        • Size 52B
        • SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
        • MD5 SHA1 SHA512 TLSH

        memory/3012-46-0x000001A92B8F0000-0x000001A92B921000-memory.dmp

        memory/3168-45-0x000002A75F7E0000-0x000002A75F811000-memory.dmp