Analysis

  • max time kernel
    149s
  • max time network
    148s
  • 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, 01:02

General

  • Target
    2026-05-03_28a8ee903fec2042e88c9b7e79689809_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
  • Size 1.7MB
  • Sample260503-bdybysdy9k
  • SHA256 86d2f98db3f801824e024a4027866c0dc703f02aac44dbcca1a0c134ac846f5a
  • 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 6 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\2026-05-03_28a8ee903fec2042e88c9b7e79689809_amadey_coinminer_cryptolocker_elex_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-03_28a8ee903fec2042e88c9b7e79689809_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:816
  • C:\Windows\Syswow64\7460c7d5
    C:\Windows\Syswow64\7460c7d5
    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:1812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        7460c7d5

        • Path C:\Windows\SysWOW64\7460c7d5
        • Size 1.7MB
        • SHA256 3afb526d91e8b70643f42711163cdfd155444c3b575fddca0d30f57d4a3651a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/816-0-0x0000000000220000-0x00000000002AC000-memory.dmp

        memory/816-16-0x0000000000220000-0x00000000002AC000-memory.dmp

        memory/816-31-0x0000000003C70000-0x0000000003D06000-memory.dmp

        memory/1812-4-0x00000000004C0000-0x000000000054C000-memory.dmp

        memory/1812-17-0x00000000022C0000-0x0000000002356000-memory.dmp

        memory/1812-18-0x00000000004C0000-0x000000000054C000-memory.dmp

        memory/1812-38-0x00000000004C0000-0x000000000054C000-memory.dmp