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
    26/04/2026, 16:13

General

  • Target
    2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1022KB
  • Sample260426-tpde2aax3t
  • SHA256 0954e0823a494032ca9ed229465bd2402ec3dc000a12ad3c15b7431b7a2eaf64
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

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 5 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-26_cd27c3f33dec08a76e5bc270d7e07039_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:2228
  • C:\Windows\Syswow64\24c18832
    C:\Windows\Syswow64\24c18832
    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:3540

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        24c18832

        • Path C:\Windows\SysWOW64\24c18832
        • Size 1022KB
        • SHA256 e9c377e8dcfd54a738774959a393bc1b572f68152217433064a723935ab4496d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2228-0-0x00000000006B0000-0x000000000073C000-memory.dmp

        memory/2228-10-0x00000000006B0000-0x000000000073C000-memory.dmp

        memory/2228-16-0x0000000003A00000-0x0000000003A51000-memory.dmp

        memory/3540-4-0x00000000000F0000-0x000000000017C000-memory.dmp

        memory/3540-11-0x00000000000F0000-0x000000000017C000-memory.dmp

        memory/3540-19-0x00000000000F0000-0x000000000017C000-memory.dmp