Analysis

  • max time kernel
    96s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 00:27

General

  • Target

    96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe

  • Size

    5.4MB

  • MD5

    14b7ce0086005a7d3f8b5a714d6d0364

  • SHA1

    226246936f022970b445f71c7d385b04e2a176e9

  • SHA256

    96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c

  • SHA512

    5bad4031c34b0dadf3a12e395c3def57f8d604e6cd7e2fe52945975d9a9c88ef4313d2fc8ac94ff669400bfe81941f36b9880dc1963b965a288c575d8b5dd6fb

  • SSDEEP

    49152:9V/xFnOvtaWIDn0apLKkLJU9nU2foKhA4vSWidGHkufjWJA6ongaHLvKLA8VgbK6:9tLK3BDhtvS0Hn5gaHrhdwC

Malware Config

Signatures

  • Renames multiple (316) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe
    "C:\Users\Admin\AppData\Local\Temp\96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\sysx32.exe
      C:\Windows\system32\sysx32.exe /scan
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:3540
    • C:\Users\Admin\AppData\Local\Temp\_96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe
      C:\Users\Admin\AppData\Local\Temp\_96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe
      2⤵
      • Executes dropped EXE
      PID:1268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7z.exe

    Filesize

    5.4MB

    MD5

    4dce67285e02e07d62f3273fde8883a8

    SHA1

    c666c7f303aa8444b0d1d638574c9ec06c735dd0

    SHA256

    b752046513a8f3c0ce42f24625d773008e652d053f0b1cbeea2d3abd98e52608

    SHA512

    43e1b608b57acae332b83e5ea2598e5e6ffe4da1d1564cb6c1b0fb2d7e018fe80bfed4fcb9d8eb37062b457a30513a2477d82221f4682c601b7d5361d4277f3b

  • C:\Users\Admin\AppData\Local\Temp\_96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c.exe

    Filesize

    5.3MB

    MD5

    72e298a237d44a586b1ccba09aba6766

    SHA1

    afa9ddbf96b92eb875a122f3da4f04e55286332d

    SHA256

    7eee6260c0549edd80a5d52b00827ce9e492c80704ef7ba87fd1a0c72e00424b

    SHA512

    cbc430e93071fbdc8766e983d8dc853f4a2d46f9ae2c0c51c7597d82d7cffcd2c64ee2e4a2d4419d09bc0ed69f7c0dc205bf8f6fe090c46e60e12c2a7b5d925a

  • C:\Windows\SysWOW64\sysx32.exe

    Filesize

    5.4MB

    MD5

    14b7ce0086005a7d3f8b5a714d6d0364

    SHA1

    226246936f022970b445f71c7d385b04e2a176e9

    SHA256

    96b6429615fa4700a9684154898519a42e8614da109dcc950dc588081c04372c

    SHA512

    5bad4031c34b0dadf3a12e395c3def57f8d604e6cd7e2fe52945975d9a9c88ef4313d2fc8ac94ff669400bfe81941f36b9880dc1963b965a288c575d8b5dd6fb

  • memory/3540-824-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3540-825-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3540-1959-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3540-2687-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3540-2688-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/3540-2689-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/5080-0-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB

  • memory/5080-34-0x0000000000400000-0x0000000000411000-memory.dmp

    Filesize

    68KB