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Analysis

  • max time kernel
    150s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 20:24

General

  • Target

    b974627e356ef0e6f0efa45293ed97b5778ab584580767df812e8ee62477e2cd.exe

  • Size

    80KB

  • MD5

    3f85cd3eb373e841744a079d063e177f

  • SHA1

    8a74be7c0d0a0f8b46be2d9138094e921cf152b9

  • SHA256

    b974627e356ef0e6f0efa45293ed97b5778ab584580767df812e8ee62477e2cd

  • SHA512

    47fea0c033f05683e82751d738b46f736f98b3c176963e69073e7e0cbef3d64bd86f8c33bea5e76cb301c96d200a7a0b8c438a256833610d139dd06c53245797

  • SSDEEP

    768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOs:RshfSWHHNvoLqNwDDGw02eQmh0HjWOs

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b974627e356ef0e6f0efa45293ed97b5778ab584580767df812e8ee62477e2cd.exe
    "C:\Users\Admin\AppData\Local\Temp\b974627e356ef0e6f0efa45293ed97b5778ab584580767df812e8ee62477e2cd.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    5c1249d8a2323a59e0ef2d02c1b83fd5

    SHA1

    0e1c82eb742140a3ec9f4b143238911805bc5764

    SHA256

    91feb921abaa2c7ab4cf9a7d040a85c867752c7a3589cb57b4f599d744a1a0e9

    SHA512

    3cd2cd111640481732a0fd2f212222d5afe4797a27ed1352b5b846d3b013d83164cbae13e0dcc9410ebbbc0a66fc361505bc0e930f0f5c1dcea7b053697a2e47

  • C:\Windows\system\rundll32.exe

    Filesize

    87KB

    MD5

    106ad6a9cb9e04e1fe252939f260ffc9

    SHA1

    94d6edc6dacc57e4511488f788b1480242f6db6c

    SHA256

    b465df80444c91212a2f5b12f435166ed6be007a2c31ff6ab3c2fcd2bd57cad7

    SHA512

    3d42af544d126c157adf257860fabae26277b8c60a4658a455ac242f5ff5392cb56a41e6302f7d9d9ee559700467dc30c635f29d3835c032575e4a81821f20e6

  • memory/1156-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/1156-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3548-12-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB