Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2024, 06:32

General

  • Target

    c01644bf30569669b3ca4f7894f3d8be.exe

  • Size

    407KB

  • MD5

    c01644bf30569669b3ca4f7894f3d8be

  • SHA1

    282ebb49b9762a0270be76c0b7d1b8406a0e9d1e

  • SHA256

    cfffd9f4babb8f88516b887a0044422b2ddfd96e341067495c82180457a8129c

  • SHA512

    7430787023237a1c25455d40cea7b418789032249ef22cd7487ec9956b8b48ba30a1d0ccae982a5f3541348c6a684a658bf39c9f768d60d7e3c5df4c0e86a44b

  • SSDEEP

    12288:WHeQ+GvIIunqtkwHkGM24mLFuuCmJYxCIQKbfgwXz:lHGvP2qtVM21FuupIbfg8

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 13 IoCs
  • Modifies Internet Explorer settings 1 TTPs 16 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c01644bf30569669b3ca4f7894f3d8be.exe
    "C:\Users\Admin\AppData\Local\Temp\c01644bf30569669b3ca4f7894f3d8be.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32 /s "C:\Program Files (x86)\Search Toolbar\Search.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:4612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Search Toolbar\Search.crc

    Filesize

    94B

    MD5

    1bf1a9f9e04ebf61b5565b0f60f3c956

    SHA1

    2dabb5a49b18d6ed809caf67d0b99a0e8ae58dc7

    SHA256

    6fc305ed1593725ef6b9f9ea730b1ce498917f2d8d723536521f2e42b05171af

    SHA512

    a017f782ff5b38759297334e18be0ccb1b91cb0ad2bd35ec75764fde5ec902ededc1c7b2d09497c07d942962c747a1e35cb9e848032e0a368edf457a5c76cd27

  • C:\Program Files (x86)\Search Toolbar\Search.dll

    Filesize

    1.4MB

    MD5

    7cdb99015f9908949f3abf768b0bd74a

    SHA1

    90b30754e209300c36501467175cae255e78c263

    SHA256

    7c4964728fb9611e47b72ef9a88b4be0fbe7e6bc2d67dae5578555a4278a9837

    SHA512

    1619032d586be906bafd1001b17db31002d9c8d9bb0d5f7eaa3134050dea38016dcaf181af7a55c13f987f2b39538b06c6e4a3c9732bc5ed894d61fe8f8fed33

  • C:\Program Files (x86)\Search Toolbar\basis.xml

    Filesize

    9KB

    MD5

    670026417872d151a7fcfb328c566f2c

    SHA1

    2d0e7ce3a8c22051dcd7ac2de8b78bf48d964f05

    SHA256

    2f62930b00441eda5b916c62579cb231823d841fc92f34a2ed70e61345563f5e

    SHA512

    3bec85a6cae6ca6533e8113334577fe7db1ddd8899e6e0d3a58deb01276fab0c32b9f0d8310217d29c3ec9296d1d2f348ca84dbeec7ff12e8b808cde6a751474

  • C:\Program Files (x86)\Search Toolbar\favicon.ico

    Filesize

    3KB

    MD5

    4dae1d267f3ea87dd8c62908e5806723

    SHA1

    30e9f876060fc1e92c27151618d44177cf7d81a8

    SHA256

    4a5366af8de5e51f95a85beb103a23a038698d896c711100bc5a5e7b40dc40a8

    SHA512

    16e274b1ac9961bb27c6cff0d2c3f1fbf4ea8c920c7fc5494056a926ce115d83e79637c26fc48c4208686f9c39aa440a60ca8ee6077f3233e9f17afb9ed9d317

  • C:\Program Files (x86)\Search Toolbar\icons.bmp

    Filesize

    29KB

    MD5

    8acf9a416de7da93d2fc078a5185e2aa

    SHA1

    f60f6d7441ab419885acdb476425f0d3fbb4e3ac

    SHA256

    b9b83978810375d44aa59825b25e1fb30ac9a89540ac9dbc9bb17f1e6355f4e9

    SHA512

    fd2f2636b95ed0b762262737d824303a024359465f3d03624ea36e7a7b16df2bdf11639315a8288411a35808065c500b014c875ac7178d942c8a35f0be7c47a3

  • C:\Program Files (x86)\Search Toolbar\tbhelper.dll

    Filesize

    212KB

    MD5

    b129142d44de68285e59910d0f2e177e

    SHA1

    dafb6f3a9b70a4bbb27f1e1c1285ec2f7baafe5f

    SHA256

    8fe57c4dbad49c1816973466e6f80b4637e06d8f38d95d153b7ed0cffe5e4d8c

    SHA512

    4b2580b7592b01d338996031e5fcc156d80d6abdb533c217026e411e739d301c701ec5624c507091d0b3014abda2f563a2d17ad79661f3230530d4ab4f620a1d

  • C:\Program Files (x86)\Search Toolbar\version.txt

    Filesize

    48B

    MD5

    444858334b44d82e16931bb2080a0611

    SHA1

    f4fc9f2c0b459e2255e1abf34247347a0783a64b

    SHA256

    fa727aea315e009921a14f33fc393e7b9ed79d6002458cbce661981b1ec42e75

    SHA512

    b3361e60b52a32872299a2bcbdd00eecdbc745bc72d10a908d559e54a0146bf12c5c9929a8f3f80e6c77bf077a610dff83e79177e368c6ee4f31d476a81be230

  • memory/4612-18-0x0000000002410000-0x0000000002448000-memory.dmp

    Filesize

    224KB

  • memory/4612-22-0x00000000027C0000-0x00000000027F8000-memory.dmp

    Filesize

    224KB