Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 11:54

General

  • Target

    Baidukongjianrenqiwang.exe

  • Size

    1.3MB

  • MD5

    a08c45488228c75a96d9b3c100481b25

  • SHA1

    a1ea78b322598a51e5ae4f72bccdf19c12789560

  • SHA256

    1d6a1d75a9e3293547d6976da5dc07bdd9c529b50635221e02433ffda9ccbb0b

  • SHA512

    83577d8bd3f07d41c0e4a825bb28aedf4b76fbcc13924341b9df9e571a071348584178b091bd86d8e88e1c423aa15bcb07f06139a33ac5e141c89d5ed32dee19

  • SSDEEP

    24576:V7uuFdWw/VMXG5OPVi0oIKKEJDaXteZpMXfln/j6mNM9KKk9dXLk:Nuuz+XGoPVu3KEdz4vN+Kf3

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Baidukongjianrenqiwang.exe
    "C:\Users\Admin\AppData\Local\Temp\Baidukongjianrenqiwang.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4920
    • \??\c:\SeMiniSetup_silent_3170_1032.exe
      c:\SeMiniSetup_silent_3170_1032.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\xp corona.ini

    Filesize

    13KB

    MD5

    7eca282e3eae667721e6561abc1bca9f

    SHA1

    cd8c56da648d3a0332bb52ac4a80dc34083b4878

    SHA256

    cffd8ee1978e4a5b60e8eb70291df1ccf3e92317fb22d3ff24b73688b108a1f3

    SHA512

    8f70e86177fb4fe56288ec90f50f8c3b728ce9eb33127c80a2dcaaa863c3cd2ba22746c91ecd8a03023512939a97bd3ecc2b56674d87324611e50a5ed55d3e98

  • \??\c:\SeMiniSetup_silent_3170_1032.exe

    Filesize

    145KB

    MD5

    e0eb8ba5c8a5aea01cc8556459b00075

    SHA1

    7ed39205f63d720ee547d265bcbefcaf75305707

    SHA256

    008a0609d9caa187e81d86f7b76881f7e92227da579ff38c689d175aa66eb0b9

    SHA512

    2d54f71219f81f258f2bb4f94f1869a1045e2dee90e39dbcae22e8a8d602d10eb0de7400249350e47dfb3978ed5a5743502fef13d898991dbc77f7c05f4df0ea

  • memory/4920-0-0x0000000051000000-0x0000000051341000-memory.dmp

    Filesize

    3.3MB

  • memory/4920-1-0x0000000051000000-0x0000000051341000-memory.dmp

    Filesize

    3.3MB

  • memory/4920-2-0x00000000022B0000-0x00000000022B1000-memory.dmp

    Filesize

    4KB

  • memory/4920-356-0x0000000051000000-0x0000000051341000-memory.dmp

    Filesize

    3.3MB

  • memory/4920-357-0x00000000022B0000-0x00000000022B1000-memory.dmp

    Filesize

    4KB

  • memory/4920-363-0x000000007396F000-0x0000000073970000-memory.dmp

    Filesize

    4KB