Overview

overview

10

Static

static

10

2026-08-03...ee.exe

windows10-2004-x64

9

2026-08-03...ee.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 02:43

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General

  • Target
    2026-08-03_a1cd27f6da6d159b58917fbb5d0a5f20_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 768KB
  • Sample260804-c7s5rstycx
  • SHA256 303daae41b45a2ae85718c44897d874d793f06e89ad31746956a6b76becaaee9
  • 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) 10 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 13 IoCs
  • UPX packed file 10 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\2026-08-03_a1cd27f6da6d159b58917fbb5d0a5f20_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_a1cd27f6da6d159b58917fbb5d0a5f20_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:4680
  • C:\Windows\Syswow64\f0d74372
    C:\Windows\Syswow64\f0d74372
    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:5384

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        f0d74372
        • Path C:\Windows\SysWOW64\f0d74372
        • Size 768KB
        • SHA256 27892c19e79b7c8c731158f592877edde5bee25c82704d3205ce1a25fe91969c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4680-0-0x0000000000740000-0x00000000007C9000-memory.dmp
        Download

        memory/4680-10-0x0000000000740000-0x00000000007C9000-memory.dmp
        Download

        memory/4680-25-0x0000000000740000-0x00000000007C9000-memory.dmp
        Download

        memory/4680-41-0x0000000000740000-0x00000000007C9000-memory.dmp
        Download

        memory/4680-47-0x0000000000740000-0x00000000007C9000-memory.dmp
        Download

        memory/5384-3-0x0000000000580000-0x0000000000609000-memory.dmp
        Download

        memory/5384-12-0x0000000000580000-0x0000000000609000-memory.dmp
        Download

        memory/5384-26-0x0000000000580000-0x0000000000609000-memory.dmp
        Download

        memory/5384-34-0x0000000000580000-0x0000000000609000-memory.dmp
        Download