Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 03:44

General

  • Target

    2021FI30005.exe

  • Size

    226KB

  • MD5

    aaeb4ca48de2f02e82a7073f5b7845d3

  • SHA1

    fe42b6a380d09d09ca116730b167bad2ab642d82

  • SHA256

    77353f06427f5e7d0e4c28e4d5690700a2cf6789edc0f9c51682dd20bb65bf78

  • SHA512

    5e703cb507a7436b404b212fd46ae7a2c9bc935aee5f993c04bd8bc594700350016801ca957015614769c80d3a2ab80a52b7e6a08e7f8c146a01696e55259b20

  • SSDEEP

    6144:yx/MDhXmawdvJQpBQ60U0BpYgbgO+Kl9GPl8f:2DawdvRjuKOPif

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe
    "C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3820
    • C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe
      "C:\Users\Admin\AppData\Local\Temp\2021FI30005.exe"
      2⤵
        PID:3236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3820 -s 1008
        2⤵
        • Program crash
        PID:1620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3820 -ip 3820
      1⤵
        PID:4036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\3qk9.dll

        Filesize

        10KB

        MD5

        8f9290de28c93e280c387b72adf45543

        SHA1

        305b45d1ca5d6de308cdc76796548a04ec677a98

        SHA256

        75597e1e381141f1606bf96c2b7a6c5b7eb1fa3ea65e37152bdb305155776192

        SHA512

        7c4694b53e8ad79fc78d5044528026ca3d000434a8b0121b89bfc1335c97b0a242774ed4d96b7a777fd65f034ef1a18d656dbe27967d616157912afe372a49db

      • C:\Users\Admin\AppData\Local\Temp\nsn8D6C.tmp\System.dll

        Filesize

        11KB

        MD5

        fccff8cb7a1067e23fd2e2b63971a8e1

        SHA1

        30e2a9e137c1223a78a0f7b0bf96a1c361976d91

        SHA256

        6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

        SHA512

        f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

      • memory/3820-8-0x0000000010000000-0x0000000010005000-memory.dmp

        Filesize

        20KB

      • memory/3820-10-0x0000000010000000-0x0000000010005000-memory.dmp

        Filesize

        20KB