Overview

overview

10

Static

static

10

2026-05-04...ee.exe

windows10-2004-x64

9

2026-05-04...ee.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/05/2026, 00:45

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General

  • Target
    2026-05-04_0db57b9d9465891266a01828ede5cca3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260504-a38njset8p
  • SHA256 f5dde542b734aa1aaa917abf1d2b664e67ed91df8df79633d315fe453afff279
  • 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 6 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\2026-05-04_0db57b9d9465891266a01828ede5cca3_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-04_0db57b9d9465891266a01828ede5cca3_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:492
  • C:\Windows\Syswow64\4783509d
    C:\Windows\Syswow64\4783509d
    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:3556

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        4783509d
        • Path C:\Windows\SysWOW64\4783509d
        • Size 1.7MB
        • SHA256 6c1237826331d4a24caabe3ec65a830b374d5709fc2623cbfdda07dc3243a99e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/492-0-0x0000000000180000-0x000000000020C000-memory.dmp
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        memory/492-18-0x0000000000180000-0x000000000020C000-memory.dmp
        Download

        memory/492-19-0x00000000018B0000-0x0000000001914000-memory.dmp
        Download

        memory/492-36-0x00000000018B0000-0x0000000001914000-memory.dmp
        Download

        memory/3556-4-0x0000000000CC0000-0x0000000000D4C000-memory.dmp
        Download

        memory/3556-21-0x0000000000CC0000-0x0000000000D4C000-memory.dmp
        Download

        memory/3556-20-0x0000000001530000-0x0000000001594000-memory.dmp
        Download

        memory/3556-43-0x0000000000CC0000-0x0000000000D4C000-memory.dmp
        Download