Overview

overview

10

Static

static

10

2026-05-03...ee.exe

windows10-2004-x64

9

2026-05-03...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
    03/05/2026, 01:02

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General

  • Target
    2026-05-03_28a8ee903fec2042e88c9b7e79689809_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260503-bdybysdy9k
  • SHA256 86d2f98db3f801824e024a4027866c0dc703f02aac44dbcca1a0c134ac846f5a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Custom signature
    Detection of CryptoLocker Variants 1 IoCs
  • Custom signature
    Detection of Cryptolocker Samples 1 IoCs
  • Custom signature
    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\2026-05-03_28a8ee903fec2042e88c9b7e79689809_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_28a8ee903fec2042e88c9b7e79689809_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:4928
  • C:\Windows\Syswow64\5f946508
    C:\Windows\Syswow64\5f946508
    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:3436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        5f946508
        • Path C:\Windows\SysWOW64\5f946508
        • Size 1.7MB
        • SHA256 bc4fda99970ef2347307feaca7d83ce48c551884031c1322ec8a3a2d481a5836
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3436-4-0x0000000000600000-0x000000000068C000-memory.dmp
        Download

        memory/3436-19-0x0000000001C50000-0x0000000001CD2000-memory.dmp
        Download

        memory/3436-20-0x0000000000600000-0x000000000068C000-memory.dmp
        Download

        memory/3436-40-0x0000000000600000-0x000000000068C000-memory.dmp
        Download

        memory/4928-0-0x0000000000650000-0x00000000006DC000-memory.dmp
        Download

        memory/4928-18-0x0000000000650000-0x00000000006DC000-memory.dmp
        Download

        memory/4928-33-0x0000000003980000-0x0000000003A02000-memory.dmp
        Download