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Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 09:31

General

  • Target

    148790c33dad176e7430e5a22dbc2b96.exe

  • Size

    83KB

  • MD5

    148790c33dad176e7430e5a22dbc2b96

  • SHA1

    54d3cf0a10873f4b2116ba079bdabc9ddeaa1276

  • SHA256

    e2ce136b057db82b5967bc923c861b0a40d6935fe5d7b74cd3cb1db94a0072d7

  • SHA512

    5b9e1cd9b9bfc4565c093987b4b1908317649ff8987432817f6fb9377817f0ac4fa441345f57ebb265f9ca17c13b8b90193bf81c6b0033dc475b562c3c322ff3

  • SSDEEP

    1536:xpgpHzb9dZVX9fHMvG0D3XJkQJwCOwVpLFBrnsV/9CswxQ93:rgXdZt9P6D3XJVrpm/9p93

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\148790c33dad176e7430e5a22dbc2b96.exe
    "C:\Users\Admin\AppData\Local\Temp\148790c33dad176e7430e5a22dbc2b96.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsz448C.tmp\InstallOptions.dll

    Filesize

    14KB

    MD5

    325b008aec81e5aaa57096f05d4212b5

    SHA1

    27a2d89747a20305b6518438eff5b9f57f7df5c3

    SHA256

    c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

    SHA512

    18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

  • C:\Users\Admin\AppData\Local\Temp\nsz448C.tmp\ioSpecial.ini

    Filesize

    643B

    MD5

    8789416682588ec522300b4a2ff314e4

    SHA1

    e9f9eeebe3235f26e8d35cb7929674a1fcf5c844

    SHA256

    1f12c13a65139fef89889756d68608bb065ac22b32e87197db5f3773f02f0d5b

    SHA512

    9832045ffc7196811f7c6cf3c784d55c40fae85e87b17977bfd53fc7c1b95324b1ab3b0b01491f04b241d5f3951e3e64b4a20f32743df641107b713bd27f108f

  • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

    Filesize

    83KB

    MD5

    148790c33dad176e7430e5a22dbc2b96

    SHA1

    54d3cf0a10873f4b2116ba079bdabc9ddeaa1276

    SHA256

    e2ce136b057db82b5967bc923c861b0a40d6935fe5d7b74cd3cb1db94a0072d7

    SHA512

    5b9e1cd9b9bfc4565c093987b4b1908317649ff8987432817f6fb9377817f0ac4fa441345f57ebb265f9ca17c13b8b90193bf81c6b0033dc475b562c3c322ff3