Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 08:23

General

  • Target

    55f4bcf52af8d7801dbb1d6cd5061343.exe

  • Size

    3.3MB

  • MD5

    55f4bcf52af8d7801dbb1d6cd5061343

  • SHA1

    e71e448a0b4ae39b2deeb7f32d5926e54b8eb0b2

  • SHA256

    464513ae3e9368b8782eb52cd36a5853154310a396174ae62bce03f1bda8e82c

  • SHA512

    7ab8d3af3069059658ab5a1331a4b990e63635e4cac96e4542e21917480469447c4d6c7af054e682a67c418cdc52926dda12441eb3d5559be1e51744becd0846

  • SSDEEP

    49152:u9Eqr58vFf+4jWMC50tCP36RktzuuTT+pwsdPd5XDv1TDIkXSWa6KPkwgmPm4GtR:/quvK1GtCPRhTT+xdPdlr1/nU9kwRLEj

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55f4bcf52af8d7801dbb1d6cd5061343.exe
    "C:\Users\Admin\AppData\Local\Temp\55f4bcf52af8d7801dbb1d6cd5061343.exe"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Suspicious use of SetWindowsHookEx
    PID:1928

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\nst20EB.tmp\tools.dll

          Filesize

          236KB

          MD5

          e12f05661436f2974cf91b5fc76fb5f4

          SHA1

          5e0b7887950204713bef3da0018911279f2540ec

          SHA256

          1873de723938193f9f0877b08c160884b79503b6607598158ad99bd909189fdc

          SHA512

          61d42e055865dd98552b29dd69dc3d761bc7f77c1af108ad13b0b390059be5668657645258c0c08052a5fe1e9f6bdb018da136eb103b7335097487ec0de5d22d

        • memory/1928-19-0x0000000003580000-0x00000000035C0000-memory.dmp

          Filesize

          256KB

        • memory/1928-23-0x0000000074350000-0x00000000748FB000-memory.dmp

          Filesize

          5.7MB

        • memory/1928-25-0x0000000003580000-0x00000000035C0000-memory.dmp

          Filesize

          256KB

        • memory/1928-28-0x0000000003580000-0x00000000035C0000-memory.dmp

          Filesize

          256KB

        • memory/1928-27-0x0000000074350000-0x00000000748FB000-memory.dmp

          Filesize

          5.7MB

        • memory/1928-24-0x0000000003580000-0x00000000035C0000-memory.dmp

          Filesize

          256KB

        • memory/1928-30-0x00000000063B0000-0x00000000064B0000-memory.dmp

          Filesize

          1024KB

        • memory/1928-31-0x00000000063B0000-0x00000000064B0000-memory.dmp

          Filesize

          1024KB

        • memory/1928-32-0x00000000063B0000-0x00000000064B0000-memory.dmp

          Filesize

          1024KB

        • memory/1928-40-0x0000000074350000-0x00000000748FB000-memory.dmp

          Filesize

          5.7MB

        • memory/1928-39-0x0000000003580000-0x00000000035C0000-memory.dmp

          Filesize

          256KB