Analysis

  • max time kernel
    44s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 22:11

General

  • Target

    ybtbbfz/友邦店铺宝贝下载专家.exe

  • Size

    816KB

  • MD5

    1ffcc03ad192293868e0f04e8c8b4ab3

  • SHA1

    3d7e01d05a08d42cc6f3f82bda990a55301da2ab

  • SHA256

    03a4a42faa47f2bc895a5c92cd11ddc004a5372a637908d9daf3e5a0e3a8aa58

  • SHA512

    cff0c44a0702410c302495e5207ed33565bcdeed52e5d2a3e3ee6bfacae1f1d64037c36a61395ad42c2aa326b4c2cd8aa0446c15f40ca74a3979b8aa46ae352a

  • SSDEEP

    24576:fG4zgGLCQP2UTucsUbx4xtxb44BnBDmon:vRCQP2N3cyzxzz

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ybtbbfz\友邦店铺宝贝下载专家.exe
    "C:\Users\Admin\AppData\Local\Temp\ybtbbfz\友邦店铺宝贝下载专家.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1348
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2ec
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB

  • memory/1348-55-0x0000000000400000-0x000000000068A000-memory.dmp

    Filesize

    2.5MB

  • memory/1348-56-0x0000000000400000-0x000000000068A000-memory.dmp

    Filesize

    2.5MB