Overview

overview

10

Static

static

10

2026-04-16...ee.exe

windows10-2004-x64

9

2026-04-16...ee.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/04/2026, 02:11

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General

  • Target
    2026-04-16_a52001b99a1cbbb91a9c2369b9d04d21_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 1.4MB
  • Sample260416-cmd54ses2l
  • SHA256 c6d77f1e13bf9c1df0ac2def5bf840e06cee0dd9c2a3844bdf48e0ddb6f92343
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-16_a52001b99a1cbbb91a9c2369b9d04d21_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-16_a52001b99a1cbbb91a9c2369b9d04d21_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:3588
  • C:\Windows\Syswow64\305d6fe5
    C:\Windows\Syswow64\305d6fe5
    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:2164

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        305d6fe5
        • Path C:\Windows\SysWOW64\305d6fe5
        • Size 1.4MB
        • SHA256 4d4d3b0e3dbacefb3b935b39cfd1144230410f5c7dc14e68fc7a34b12e9cc156
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2164-4-0x00000000000F0000-0x0000000000179000-memory.dmp
        Download

        memory/2164-13-0x00000000000F0000-0x0000000000179000-memory.dmp
        Download

        memory/2164-37-0x00000000000F0000-0x0000000000179000-memory.dmp
        Download

        memory/2164-43-0x00000000000F0000-0x0000000000179000-memory.dmp
        Download

        memory/3588-0-0x0000000000060000-0x00000000000E9000-memory.dmp
        Download

        memory/3588-10-0x0000000000060000-0x00000000000E9000-memory.dmp
        Download

        memory/3588-12-0x0000000000A30000-0x0000000000A55000-memory.dmp
        Download

        memory/3588-35-0x0000000000060000-0x00000000000E9000-memory.dmp
        Download

        memory/3588-44-0x0000000000060000-0x00000000000E9000-memory.dmp
        Download

        memory/3588-52-0x0000000000060000-0x00000000000E9000-memory.dmp
        Download