Overview

overview

7

Static

static

3

2026-05-23...ys.exe

windows10-2004-x64

7

2026-05-23...ys.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/05/2026, 04:20

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General

  • Target
    2026-05-23_f8d37dc8e1d38e6ce3f0f5dc11c73384_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
  • Size 335KB
  • Sample260523-eylensfv5y
  • SHA256 9048a8e831282e1e0afce3a3fd0dcde46ff7a4cec41807457e9d9eca0eb23c66
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-23_f8d37dc8e1d38e6ce3f0f5dc11c73384_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_f8d37dc8e1d38e6ce3f0f5dc11c73384_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\AppData\Local\Temp\microsoftedgeupdateondemand32.exe
      "microsoftedgeupdateondemand32.exe "
      2⤵
      • Executes dropped EXE
      PID:3448
    • C:\Windows\SysWOW64\eventviewer.exe
      "C:\Windows\system32\eventviewer.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 2092
        3⤵
        • Program crash
        PID:1852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1456
      2⤵
      • Program crash
      PID:1084
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4456 -ip 4456
    1⤵
      PID:4460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3384 -ip 3384
      1⤵
        PID:2156

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 4KB
            • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            94C33D778ADC562180302FF1B77EFF1A
            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94C33D778ADC562180302FF1B77EFF1A
            • Size 222KB
            • SHA256 5ba62b5e720073443a20f2f5e361bea201c62661be527864f644eabcde9adf6c
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 342B
            • SHA256 4154fd9908216e92f3d35c11f00db3b8e4dbb16d542db61de2c31a679805b7a3
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            94C33D778ADC562180302FF1B77EFF1A
            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94C33D778ADC562180302FF1B77EFF1A
            • Size 246B
            • SHA256 8fd6cfb8fab6777977c8c8640e119ee613b22c6de9d03ae93d1191ff3889d4d3
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            microsoftedgeupdateondemand32.exe
            • Path C:\Users\Admin\AppData\Local\Temp\microsoftedgeupdateondemand32.exe
            • Size 98KB
            • SHA256 5b4986f62b62e1251a01bd05ffaa010480953ab32815298c6c38db86f004f005
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            redevlist.dat
            • Path C:\Users\Admin\AppData\Local\Temp\redevlist.dat
            • Size 107KB
            • SHA256 fef80d322c59930a56655a6be92031673cbcdd49f075f2e0003bd272a444fc68
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            eventviewer.exe
            • Path C:\Windows\SysWOW64\eventviewer.exe
            • Size 88KB
            • SHA256 3baf58e8eb6f1dee7da7df83cb38925e69ffe130a02f667380cbee69aea17b15
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download