Overview

overview

9

Static

static

3

2026-07-23...os.exe

windows10-2004-x64

9

2026-07-23...os.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 00:27

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General

  • Target
    2026-07-23_05cf5bcad91d09f1c0c999ae7ac503ec_elex_emotet_icedid_remcos.exe
  • Size 1.2MB
  • Sample260724-asanrsdr2x
  • SHA256 c92ee2393a24948dcf14c78836f3fa84bf555e1480d7fba6f98301ce6b6ce302
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryexecutionupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 1 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_05cf5bcad91d09f1c0c999ae7ac503ec_elex_emotet_icedid_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_05cf5bcad91d09f1c0c999ae7ac503ec_elex_emotet_icedid_remcos.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Windows\SysWOW64\AFZDGaSZ.exe
      -auto
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\syStEm32\AFZDGaSZ.exe
        -troj
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 820 -s 864
          4⤵
          • Program crash
          PID:1228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" cmd/c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\[email protected] > nul && exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4588
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 820 -ip 820
    1⤵
      PID:5936

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          AFZDGaSZ.exe
          • Path C:\Windows\SysWOW64\AFZDGaSZ.exe
          • Size 1.2MB
          • SHA256 c92ee2393a24948dcf14c78836f3fa84bf555e1480d7fba6f98301ce6b6ce302
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/820-3-0x00000000022D0000-0x00000000022DB000-memory.dmp
          Download

          memory/4128-2-0x0000000000400000-0x000000000055C000-memory.dmp
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