Overview

overview

10

Static

static

10

2026-08-06...ee.exe

windows10-2004-x64

9

2026-08-06...ee.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 22:20

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General

  • Target
    2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
  • Size 1.4MB
  • Sample260806-19cskavth1
  • SHA256 6691bbba7947afa0a4112e85c966572c2d6d58e7396155c77f7af99481e1e624
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discoveryupx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • UPX dump on OEP (original entry point) 8 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 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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.

    discovery
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-06_fd197de994e1afec370e890d8a4cfc17_coinminer_cryptolocker_elex_mafia_stealc_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:4136
  • C:\Windows\Syswow64\d39a2200
    C:\Windows\Syswow64\d39a2200
    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:4152

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        d39a2200
        • Path C:\Windows\SysWOW64\d39a2200
        • Size 1.4MB
        • SHA256 a3418de66cd6c945a355113446149217911bbb5985365cecad0e0c824470acc3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4136-0-0x0000000000D50000-0x0000000000DD9000-memory.dmp
        Download

        memory/4136-10-0x0000000000D50000-0x0000000000DD9000-memory.dmp
        Download

        memory/4136-34-0x0000000000D50000-0x0000000000DD9000-memory.dmp
        Download

        memory/4136-52-0x0000000000D50000-0x0000000000DD9000-memory.dmp
        Download

        memory/4152-3-0x00000000002D0000-0x0000000000359000-memory.dmp
        Download

        memory/4152-12-0x00000000002D0000-0x0000000000359000-memory.dmp
        Download

        memory/4152-35-0x00000000002D0000-0x0000000000359000-memory.dmp
        Download