Overview

overview

10

Static

static

10

2026-04-17...ee.exe

windows10-2004-x64

9

2026-04-17...ee.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 03:32

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General

  • Target
    2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.1MB
  • Sample260417-d3rxksht4x
  • SHA256 a04e197548072514c8d91b2986ed9ffaa6fb7f61a78bed637ae26fc7557d5ce7
  • 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) 6 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 6 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\2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_3d95337be7cb3e59a258a807c95d5609_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_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:1064
  • C:\Windows\Syswow64\87e2e60b
    C:\Windows\Syswow64\87e2e60b
    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:4828

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        87e2e60b
        • Path C:\Windows\SysWOW64\87e2e60b
        • Size 1.1MB
        • SHA256 f75a6f775ed36fd6b3be5bee983a1f1d966281a993c41de1bb2b6455fa7fd697
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1064-0-0x00000000001B0000-0x000000000023C000-memory.dmp
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        memory/1064-10-0x00000000001B0000-0x000000000023C000-memory.dmp
        Download

        memory/4828-4-0x0000000000260000-0x00000000002EC000-memory.dmp
        Download

        memory/4828-11-0x0000000000260000-0x00000000002EC000-memory.dmp
        Download

        memory/4828-28-0x0000000000260000-0x00000000002EC000-memory.dmp
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