Analysis

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

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 01:02

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

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 17 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
  • Modifies system certificate store 2 TTPs 2 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:1804
  • C:\Windows\Syswow64\b86f585c
    C:\Windows\Syswow64\b86f585c
    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
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:892

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        b86f585c

        • Path C:\Windows\SysWOW64\b86f585c
        • Size 832KB
        • SHA256 1b4274b0101ba7d2186063ae750b06d49e4d50d3a7ad5e0b83a5f0b792d4c427
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/892-3-0x0000000000F90000-0x000000000101C000-memory.dmp

        memory/892-15-0x0000000000F90000-0x000000000101C000-memory.dmp

        memory/892-14-0x00000000011F0000-0x0000000001253000-memory.dmp

        memory/892-27-0x00000000011F0000-0x0000000001253000-memory.dmp

        memory/892-45-0x0000000000F90000-0x000000000101C000-memory.dmp

        memory/1804-0-0x00000000007B0000-0x000000000083C000-memory.dmp

        memory/1804-12-0x00000000007B0000-0x000000000083C000-memory.dmp

        memory/1804-13-0x0000000000940000-0x00000000009A3000-memory.dmp

        memory/1804-38-0x0000000000940000-0x00000000009A3000-memory.dmp