Analysis

  • max time kernel
    148s
  • 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, 15:11

General

  • Target

    781654bccebaf61cbdac132ddf27700f.exe

  • Size

    338KB

  • MD5

    781654bccebaf61cbdac132ddf27700f

  • SHA1

    3e10e2601443b7c9557460349f20eb2541c56dc2

  • SHA256

    40decd3ff8d68e9cc2c378cf4b6ec282ebbb350a8963d77dba330f824ffb2bc9

  • SHA512

    aa845394498b2080ec9ee4c2c294ce38e04264bce6bf5048af2d8aeff2f8c7463372838ef02e3b6beaf57d7e4e9196304a49a89fd22094d03a89edb6a8099e3d

  • SSDEEP

    6144:vA5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97cbrgjXOcl3ZhNCHkNGF4KumX16ef:vjyy64VrDqTWIzW+9Y/gas5CHkNGF4uF

Malware Config

Signatures

  • UPX packed file 2 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\781654bccebaf61cbdac132ddf27700f.exe
    "C:\Users\Admin\AppData\Local\Temp\781654bccebaf61cbdac132ddf27700f.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:3384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3384-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/3384-6-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB