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Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 16:26

General

  • Target

    7c946420fb95e87a220c5a1b16f73168.exe

  • Size

    327KB

  • MD5

    7c946420fb95e87a220c5a1b16f73168

  • SHA1

    63fc3fc8874779ef2b8c3f0eff92f29c421e579e

  • SHA256

    5b3841fa566dc5621c6aa985768527fc15f4b0d6abf5e7e4db7f9206cb74bff4

  • SHA512

    e9a645e1bb3b516e8f8ba8eb6f4dd4650e311f9a2a70b32d86a1b6538c4027832241cded8445d54fc294874331f3cf7f3f9a0e5ea8d5624ef63e517a6d345eb9

  • SSDEEP

    6144:reXA47CURW+eirtnIwE0XzBTjrBLt4smgZT0ndZXD82R6cPqubPa4/boT+:reXv7tRWwnIKBTjx6smgqnHXDocPtWOd

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\7c946420fb95e87a220c5a1b16f73168.exe
    "C:\Users\Admin\AppData\Local\Temp\7c946420fb95e87a220c5a1b16f73168.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1792-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1792-61-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1792-67-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB