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Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2024, 22:48

General

  • Target

    475e87bb7b1047b1a965552d3a8781a7.exe

  • Size

    227KB

  • MD5

    475e87bb7b1047b1a965552d3a8781a7

  • SHA1

    4f5c49574e7a25b764790e42c7904536a3eb512b

  • SHA256

    e68deba0d2497a138ce521312732925a031593f9af08d518b20eb794a6f8ecac

  • SHA512

    fd49b21902d3b6e2a9cc690243663738ceac65095aaab59580e15bbd928e1c2c189bee83b8b4876090fdf1a2dbbe9a91a143fb9c56c4e04f5cd6a78d20fdad76

  • SSDEEP

    3072:MbQi390ezV3Q7RcaDryukKLeC1TkGNmCjxqX/fI/x0s29ygBqQkmDRK:MR39JsXryukHCRXmCjxqX3LZBOE

Score
7/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\475e87bb7b1047b1a965552d3a8781a7.exe
    "C:\Users\Admin\AppData\Local\Temp\475e87bb7b1047b1a965552d3a8781a7.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\Mfequa.exe
      C:\Windows\Mfequa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Mfequa.exe

    Filesize

    227KB

    MD5

    475e87bb7b1047b1a965552d3a8781a7

    SHA1

    4f5c49574e7a25b764790e42c7904536a3eb512b

    SHA256

    e68deba0d2497a138ce521312732925a031593f9af08d518b20eb794a6f8ecac

    SHA512

    fd49b21902d3b6e2a9cc690243663738ceac65095aaab59580e15bbd928e1c2c189bee83b8b4876090fdf1a2dbbe9a91a143fb9c56c4e04f5cd6a78d20fdad76

  • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

    Filesize

    344B

    MD5

    cf121aebdb372752f50fe482d8f85d86

    SHA1

    58998e5e48b249bc8ca3879a29bbc9ed8a199b6a

    SHA256

    35e967cd24702d08d571210f00b8f13012b01feac6978cfa61e48a17d8e2d904

    SHA512

    2fb1f21f32a97f19ed6cf580aa048e0201c40ee83e4dfa6e5d0736cae85137668026bebf549d5600543ebf699da29ad6963b1af806d4ca51f4885b7a987516f0

  • memory/2672-3801-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2672-1-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2672-2-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2672-33044-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2672-0-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-25861-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-10-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-9-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-41457-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-46673-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-46675-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63035-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63036-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63037-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63038-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63040-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2716-63044-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB