Overview

overview

10

Static

static

10

2026-08-21...ee.exe

windows10-2004-x64

9

2026-08-21...ee.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 21:54

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General

  • Target
    2026-08-21_fac5cd3c3593e71f989a9da052acc378_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 1.4MB
  • Sample260821-1sa8easvdv
  • SHA256 a0845dbc72c61b18811a59821bc0969b1bdda64c0f4b9576445c158d97b526cb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • UPX dump on OEP (original entry point) 11 IoCs
  • Executes dropped EXE 1 IoCs
  • Unexpected DNS network traffic destination 4 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Drops file in System32 directory 15 IoCs
  • UPX packed file 11 IoCs

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

    upx
  • Drops file in Windows directory 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
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_fac5cd3c3593e71f989a9da052acc378_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_fac5cd3c3593e71f989a9da052acc378_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe"
    1⤵
    • Unexpected DNS network traffic destination
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5260
  • C:\Windows\Syswow64\7cac21a8
    C:\Windows\Syswow64\7cac21a8
    1⤵
    • Executes dropped EXE
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:5468

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        7cac21a8
        • Path C:\Windows\SysWOW64\7cac21a8
        • Size 1.4MB
        • SHA256 963777b875cda65762d21c4f938fe5c92edd5da066463b937952b2a680ec6537
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5260-0-0x00000000001D0000-0x0000000000259000-memory.dmp
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        memory/5260-18-0x00000000001D0000-0x0000000000259000-memory.dmp
        Download

        memory/5260-33-0x00000000001D0000-0x0000000000259000-memory.dmp
        Download

        memory/5260-43-0x00000000001D0000-0x0000000000259000-memory.dmp
        Download

        memory/5260-47-0x00000000001D0000-0x0000000000259000-memory.dmp
        Download

        memory/5468-3-0x0000000000DC0000-0x0000000000E49000-memory.dmp
        Download

        memory/5468-20-0x0000000000DC0000-0x0000000000E49000-memory.dmp
        Download

        memory/5468-24-0x0000000000DC0000-0x0000000000E49000-memory.dmp
        Download

        memory/5468-34-0x0000000000DC0000-0x0000000000E49000-memory.dmp
        Download

        memory/5468-36-0x0000000000DC0000-0x0000000000E49000-memory.dmp
        Download