Overview

overview

10

Static

static

10

2026-05-07...op.exe

windows10-2004-x64

9

2026-05-07...op.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/05/2026, 01:02

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General

  • Target
    2026-05-07_1a42962535aee156d280485344138e08_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
  • Size 832KB
  • Sample260507-bd766acz2w
  • SHA256 c1c389a23961025063ff68fa79007f44e8fa48bfb00ffe4f5ab6297a59b8372a
  • 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\2026-05-07_1a42962535aee156d280485344138e08_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-07_1a42962535aee156d280485344138e08_amadey_coinminer_cryptolocker_elex_smoke-loader_stop.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:1012
  • C:\Windows\Syswow64\5acc7b58
    C:\Windows\Syswow64\5acc7b58
    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:2476

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        5acc7b58
        • Path C:\Windows\SysWOW64\5acc7b58
        • Size 832KB
        • SHA256 49a18bf7a07dcc49c59145f30e4fc00f2f634bcca8fbb18a4e67db4fb9fff898
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1012-0-0x0000000000890000-0x000000000091C000-memory.dmp
        Download

        memory/1012-18-0x0000000000890000-0x000000000091C000-memory.dmp
        Download

        memory/1012-19-0x0000000000860000-0x0000000000885000-memory.dmp
        Download

        memory/2476-3-0x00000000005A0000-0x000000000062C000-memory.dmp
        Download

        memory/2476-20-0x00000000005A0000-0x000000000062C000-memory.dmp
        Download

        memory/2476-36-0x00000000005A0000-0x000000000062C000-memory.dmp
        Download