Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 01:03

General

  • Target
    2026-05-03_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260503-bej6qaas51
  • SHA256 592e24ea0d8321f460a34a4ee56cdf7d0601d013365ebedb04407d2bb6e32c00
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

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 8 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.

  • 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.

  • 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_ff42d3d64a209832f56e47bfc7386c50_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_ff42d3d64a209832f56e47bfc7386c50_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:4808
  • C:\Windows\Syswow64\7489f528
    C:\Windows\Syswow64\7489f528
    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:4484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7489f528

        • Path C:\Windows\SysWOW64\7489f528
        • Size 1.7MB
        • SHA256 2a76450726fec48dc0c2b782fa49e2efb059e60a7769facfe048737534079f25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4484-3-0x0000000000690000-0x000000000071C000-memory.dmp

        memory/4484-11-0x0000000000690000-0x000000000071C000-memory.dmp

        memory/4484-32-0x0000000000690000-0x000000000071C000-memory.dmp

        memory/4808-0-0x00000000004B0000-0x000000000053C000-memory.dmp

        memory/4808-10-0x00000000004B0000-0x000000000053C000-memory.dmp