Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 11:32

General

  • Target
    2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1022KB
  • Sample260804-nnfacayfla
  • SHA256 2c8ea37e84c4af97f26f52ab2dbb6d9f8c8558b464c8ecb28dd5cd76662c1f6f
  • 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 13 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\2026-08-03_6a094d2e9d465b4e13819a80d2718b20_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-03_6a094d2e9d465b4e13819a80d2718b20_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:3200
  • C:\Windows\Syswow64\e3b0b808
    C:\Windows\Syswow64\e3b0b808
    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:728

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e3b0b808

        • Path C:\Windows\SysWOW64\e3b0b808
        • Size 1022KB
        • SHA256 1dac5d3ca88c3a07d841381420788b5fb21dd6e32b73d2ba6e6ba62845e66413
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/728-3-0x00000000009D0000-0x0000000000A5C000-memory.dmp

        memory/728-11-0x00000000009D0000-0x0000000000A5C000-memory.dmp

        memory/728-28-0x00000000009D0000-0x0000000000A5C000-memory.dmp

        memory/3200-0-0x0000000000B10000-0x0000000000B9C000-memory.dmp

        memory/3200-10-0x0000000000B10000-0x0000000000B9C000-memory.dmp