Analysis

  • max time kernel
    12s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/03/2025, 02:54

General

  • Target

    install_flash_player_active_x.exe

  • Size

    1.5MB

  • MD5

    e5d432398b0483e010a4a5cc31cc91e6

  • SHA1

    b0fcb309f78281f49cd192d2825d045695722842

  • SHA256

    f0cada832e9d2e923bbf76f803e5fa53cfc956d5594a7308985b85dd460ad31d

  • SHA512

    8eab6a9b0ea2dac8e601fd60e689771cea4c357e4c14d001de86bc20c600da32182af5cc4549dbc5a6cfceddb3afd111cce6911e2a0d29b407e94f86f29bf375

  • SSDEEP

    24576:xLAe58NVmvumzyNeXmQ9Z/ZLNUlAZlab5hDHDjRDToFvxeXAi:hAe58Gvn2eXmQdZTZlYfxTkI

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install_flash_player_active_x.exe
    "C:\Users\Admin\AppData\Local\Temp\install_flash_player_active_x.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nse840F.tmp\NSISArray.dll

    Filesize

    17KB

    MD5

    2b8574f6a8f5de9042baa43c069d20ba

    SHA1

    07959da0c6b7715b51f70f1b0aea1f56ba7a4559

    SHA256

    38654eef0ee3715f4b1268f4b4176a6b487a0a9e53a27a4ec0b84550ea173564

    SHA512

    f034f71b6a18ee8024d40acd3c097d95c8fd8e128d75075cc452e71898c1c0322f21b54bd39ca72d053d7261ffbab0c5c1f820602d52fc85806513a6fe317e88

  • \Users\Admin\AppData\Local\Temp\nse840F.tmp\System.dll

    Filesize

    10KB

    MD5

    16ae54e23736352739d7ab156b1965ba

    SHA1

    14f8f04bed2d6adc07565d5c064f6931b128568f

    SHA256

    c11ffa087c6848f3870e6336d151f0ba6298c0e1e30ccddf2da25a06d36a61fc

    SHA512

    15dbfcdc5dc34cb20066120045e3250f8df9e50b91de043f2ada33ac0235907d98668e248828a7ed9c75e25dfb5103b7248867530ce73ee36f6a35c30b4afa9f

  • \Users\Admin\AppData\Local\Temp\nse840F.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    68d73a95c628836b67ea5a717d74b38c

    SHA1

    935372db4a66f9dfd6c938724197787688e141b0

    SHA256

    21a373c52aaecce52b41aebe6d0224f53760fc3e5c575e821175eee3a1f7f226

    SHA512

    0e804deab4e647213132add4173c1d2c554c628816f56e21e274a40e185d90254e29c8bfc6fbfdfea2a492d43d23c0bfa4b276252a3f5e1993ab80ff832c4914

  • \Users\Admin\AppData\Local\Temp\nse840F.tmp\fpinstall.dll

    Filesize

    8KB

    MD5

    071b6233c92f69ffa1c24243328c3b94

    SHA1

    bb583c00e87cdc65e6254c7148d37afc1bbb3095

    SHA256

    5f6c63cb0ba539d692c5461730f057d0ec6c60639d772fbdc3753c3c6e746c43

    SHA512

    7fc2db406350488ee86ccffe1e99a91e0f509ef0429063336bf6f96aab07127df352db77fe9d00ddc3aa2db7886dfbac08b6acf6a5c647859956111ca47c24f1

  • \Windows\SysWOW64\Macromed\Flash\Flash9f.ocx

    Filesize

    2.9MB

    MD5

    48fdf435b8595604e54125b321924510

    SHA1

    e13d25bdac576e95e9134c3f95f0f8cbe94d6185

    SHA256

    7fcd80f7f56a841a4c5ef950afac8991da71ba9eae82f20db2954c7b4b72efd9

    SHA512

    86a59d83cc3d39b752b7a9c98e79b3f8fbcca66087926f026aabf5453bde83321928b77947e2aa5f625a53dafc89c0bf224daa7ce004b1851345abe93c6e83f3

  • memory/2612-29-0x0000000004B30000-0x0000000004F79000-memory.dmp

    Filesize

    4.3MB