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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 06:25

General

  • Target

    5979ad4eb9b1f9d20843f17bfa148dfb.exe

  • Size

    321KB

  • MD5

    5979ad4eb9b1f9d20843f17bfa148dfb

  • SHA1

    f1fad0b4335a8baffd449a27cb47d3bdcc3ec209

  • SHA256

    43d145ba0c865187265c717572ce7a581b0fcdc2110c1c20e24b410615fdf31b

  • SHA512

    060f3adbc39394533adf4976d24efd3dab1d2e4ee195cf845a67770c932329cd9a26566cf878dd6d9e3075d5f45302077ca4282f4d9446e644735d6b8d9b24ed

  • SSDEEP

    6144:9DQKrk2BsM4e3JUkxJK7Llkc8QxqQz3iw0ZrG7UnWD6S4Rv3p5LDfpP:BLk2B74e3JU3LuaMhrdnWD6XvZ5t

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5979ad4eb9b1f9d20843f17bfa148dfb.exe
    "C:\Users\Admin\AppData\Local\Temp\5979ad4eb9b1f9d20843f17bfa148dfb.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4168-0-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/4168-11-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/4168-17-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB