Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/11/2026, 20:11

General

  • Target
    2026-10-31_cc852e0a97b21620bcdc37e0296c8b27_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
  • Size 416KB
  • Sample261101-yyernscz21
  • SHA256 06cced6e51e7bf47b5c9cdb8a09892a9b44ff5b9ec1cfb2db4bdfba399947d32
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Program crash 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-31_cc852e0a97b21620bcdc37e0296c8b27_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-31_cc852e0a97b21620bcdc37e0296c8b27_cobalt-strike_elex_emotet_icedid_nymaim_rhadamanthys.exe"
    1⤵
    • Drops file in System32 directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Windows\SysWOW64\eventviewer.exe
      "C:\Windows\system32\eventviewer.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4912
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 1604
        3⤵
        • Program crash
        PID:5080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4120 -s 1896
      2⤵
      • Program crash
      PID:5780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4912 -ip 4912
    1⤵
      PID:3020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4120 -ip 4120
      1⤵
        PID:6000

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
            • Size 808B
            • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
            • MD5 SHA1 SHA512 TLSH

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 5KB
            • SHA256 1f2719b100fcc59601f0dbb286aea5034e05bae881425792a115106e244a0ed0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            8CE4A33FEB8CD35F8F6C8D2BE260E617

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8CE4A33FEB8CD35F8F6C8D2BE260E617
            • Size 196KB
            • SHA256 bb70cd8245e8c564764ca98d4b79cccfff15303c7305835ce8d0d177909c646a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 701B
            • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
            • MD5 SHA1 SHA512 TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
            • Size 192B
            • SHA256 874b393660f391f3d3c8c5ffc09bb2e539673da1fb0e33c93aa78d374d4fd553
            • MD5 SHA1 SHA512 TLSH

            57C8EDB95DF3F0AD4EE2DC2B8CFD4157

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
            • Size 342B
            • SHA256 9c5730d5257565e1cebc107f689c45ade08d341298fdf7eaa84512a3af3dbfee
            • MD5 SHA1 SHA512 TLSH

            8CE4A33FEB8CD35F8F6C8D2BE260E617

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8CE4A33FEB8CD35F8F6C8D2BE260E617
            • Size 246B
            • SHA256 5c8422a06f13ec5635b257388701064279d0edee7f03a62ffe539d545f217db7
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 438adf69e5827d6be7bd29de1bacbaef03c904404cc231f4626d35cea8a5dc5d
            • MD5 SHA1 SHA512 TLSH

            redevlist.dat

            • Path C:\Users\Admin\AppData\Local\Temp\redevlist.dat
            • Size 12KB
            • SHA256 338bab1420b6b635c80dba3d8dd6b2c4b40d265b18317788677ec847bf084fd0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            redevlist.dat

            • Path C:\Users\Admin\AppData\Local\Temp\redevlist.dat
            • Size 207KB
            • SHA256 74df4d4333e18a70667dae0399c27a2d08db9fe36cb4425f4920cc11905240cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            eventviewer.exe

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