Overview

overview

10

Static

static

10

2026-08-10...ee.exe

windows10-2004-x64

9

2026-08-10...ee.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 09:25

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General

  • Target
    2026-08-10_f03a5198334bb0c6b4b271ef83a41b94_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 768KB
  • Sample260810-ldrvaafb89
  • SHA256 11782c064d6377c2c684bb320d97c26b62b7f42ed167ff77fcb446808e307968
  • 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 6 IoCs

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

  • Drops file in System32 directory 13 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\2026-08-10_f03a5198334bb0c6b4b271ef83a41b94_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_f03a5198334bb0c6b4b271ef83a41b94_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:3576
  • C:\Windows\Syswow64\8e582e6b
    C:\Windows\Syswow64\8e582e6b
    1⤵
    • Executes dropped EXE
    • Unexpected DNS network traffic destination
    • 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:820

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        8e582e6b
        • Path C:\Windows\SysWOW64\8e582e6b
        • Size 768KB
        • SHA256 6a3a4e7595bef50eeb109ef62104f91ba1ee0b5f8fe7d9a1c669605beb0008ed
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/820-3-0x0000000000670000-0x00000000006F9000-memory.dmp
        Download

        memory/820-18-0x0000000000670000-0x00000000006F9000-memory.dmp
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        memory/820-24-0x0000000000670000-0x00000000006F9000-memory.dmp
        Download

        memory/820-37-0x0000000000670000-0x00000000006F9000-memory.dmp
        Download

        memory/820-42-0x0000000000670000-0x00000000006F9000-memory.dmp
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        memory/3576-0-0x0000000000900000-0x0000000000989000-memory.dmp
        Download

        memory/3576-16-0x0000000000900000-0x0000000000989000-memory.dmp
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        memory/3576-36-0x0000000000900000-0x0000000000989000-memory.dmp
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        memory/3576-41-0x0000000000900000-0x0000000000989000-memory.dmp
        Download

        memory/3576-55-0x0000000000900000-0x0000000000989000-memory.dmp
        Download