Overview

overview

10

Static

static

10

2026-05-06...da.exe

windows10-2004-x64

9

2026-05-06...da.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/05/2026, 01:33

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General

  • Target
    2026-05-06_4b43b1be67a89587eecb358ddd0abc9b_amadey_coinminer_cryptolocker_elex_graphican_mafia_rhada.exe
  • Size 2.0MB
  • Sample260506-byvfssds6m
  • SHA256 48c56f5f660d716ab51ddb6251759e6fffcbcac3db18b0cb542469d329a97142
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
discovery

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) 1 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 15 IoCs
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-06_4b43b1be67a89587eecb358ddd0abc9b_amadey_coinminer_cryptolocker_elex_graphican_mafia_rhada.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-06_4b43b1be67a89587eecb358ddd0abc9b_amadey_coinminer_cryptolocker_elex_graphican_mafia_rhada.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:1868
  • C:\Windows\Syswow64\99b02
    C:\Windows\Syswow64\99b02
    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:932

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        99b02
        • Path C:\Windows\SysWOW64\99b02
        • Size 2.0MB
        • SHA256 6b15347ff0b091e758d20e645a62c59061006e0ae04652e46882d3a12d4c2331
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/932-4-0x0000000000890000-0x00000000008F3000-memory.dmp
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        memory/1868-0-0x0000000000690000-0x00000000006F3000-memory.dmp
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