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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 17:04

General

  • Target

    750afb1d76ee322d7cbc90b21d5c6104.exe

  • Size

    960KB

  • MD5

    750afb1d76ee322d7cbc90b21d5c6104

  • SHA1

    0f7ba39b303ea7818b656ff89ba7d3cb7e1d0f1a

  • SHA256

    bd72911ea9cab04b4553ba99241d8aa5c6196e085e37615ca01dee6c98ca5c80

  • SHA512

    c4c649d55ad4785a207996e7b2799ea2aac32121893e24ae4b3a5dd0b264707c4c60969ec314f5a939ae8ce3617fb08d1355439e32b261621d5bed2a9fa9a475

  • SSDEEP

    12288:X6Wq4aaE6KwyF5L0Y2D1PqLb6Wq4aaE6KwyF5L0Y2D1PqLx6Wq4aaE6KwyF5L0Y8:1thEVaPqLBthEVaPqLHthEVaPqLTthS

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\750afb1d76ee322d7cbc90b21d5c6104.exe
    "C:\Users\Admin\AppData\Local\Temp\750afb1d76ee322d7cbc90b21d5c6104.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\svhost.exe
      C:\Windows\svhost.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Documents and Settings.exe

    Filesize

    960KB

    MD5

    619c5358f2f1849e6d816acbd1d356a5

    SHA1

    9f55daa7f1c0ef0cc87649116be99f50e68e0fc2

    SHA256

    be4d99806ec555dea3b08f84b5d66c5ef538448f59a66d40e4600fa4915c3cbe

    SHA512

    e299491641276981d28e79bb9f12de6f9a67d528cb97740c9c55a426a6ec0f7d8582074cbaf2ac17f7d44840e02c9c2d2fdd88785249c855b7e7f56a0a081ec5

  • C:\Windows\Driver.db

    Filesize

    82B

    MD5

    c2d2dc50dca8a2bfdc8e2d59dfa5796d

    SHA1

    7a6150fc53244e28d1bcea437c0c9d276c41ccad

    SHA256

    b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960

    SHA512

    6cfdd08729de9ee9d1f5d8fcd859144d32ddc0a9e7074202a7d03d3795bdf0027a074a6aa54f451d4166024c134b27c55c7142170e64d979d86c13801f937ce4

  • C:\Windows\svhost.exe

    Filesize

    960KB

    MD5

    3aac959517c08b5cc0a053bebdac3939

    SHA1

    30c1217fc593b1359eceea268eec11d4cfa22aca

    SHA256

    6b6a99d783b49235700cb05b4e80e62191dc2664626e4a8ea6b2d217267b3805

    SHA512

    64374fbcb372d58191de3084a5358096f3ff4eb443010727215102ada6f9705562b621fe881c4b2c73a95d81b559312862794e498d7168081f236446322ffbd9

  • memory/2032-0-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/2032-698-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-6-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-2584-0x0000000000400000-0x0000000000523000-memory.dmp

    Filesize

    1.1MB