Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 22:58

General

  • Target

    Uninstall.exe

  • Size

    89KB

  • MD5

    9111cd15ae20e9466f9f849b7af57ca1

  • SHA1

    416420588d49d2a12ad61b6bac94a22be1e1c7fb

  • SHA256

    226324be5f0a18c000a6ee22f7083eb4997a10b5778e274fd86ed876e94ad8fd

  • SHA512

    ffc4bbe5be308fa36a33678616025a6af3d7ae4b15eaa6991d082ba8d89a1fb5c39bd961f776aff532f2aec88238b699eea20dfa1132a5ce80da32f3613f0b48

  • SSDEEP

    1536:sUqBWUSFNrdN90DukJrXVXmXeUv+yLPrulXytFDOpFAM:PGW3B+DukJrF2OorLDulibE

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2312
    • 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:636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nstA912.tmp\InstallOptions.dll

    Filesize

    12KB

    MD5

    29459d9ee2bce32ed937fb1f965f9d5e

    SHA1

    8fff45ed45f3af8f8c248eba9a1c02c9c5fc911d

    SHA256

    ad07968b7d93ef19e10e1deb52e0c912e96dde30c0a49a0239daf176fd4c9ef5

    SHA512

    d4ef4eadb0f53e7086a1d242bf7f745ad79d83d9ecbfaa283cf0dd499271a804589a575040bb20d5c98e86197cc65ca05ab1a358c556ea82a3e297d0255015a6

  • C:\Users\Admin\AppData\Local\Temp\nstA912.tmp\System.dll

    Filesize

    10KB

    MD5

    05e52213cfa17dee760186462a9645ed

    SHA1

    f6d5e82080bbba65db7d54e89250c95af833aae3

    SHA256

    d9d3ffa4c7d7a152f435f4777e72aa1b6a6c0555f277e59eedebc587c3b66ba5

    SHA512

    586eea0bec6345b437667ce528bc2396427dd444a396456e38046a8962e92a52e7ee62b9f6c97f41bc1fb4a1b3905a302d6f7055e26b84e60709ba3b416ad172

  • C:\Users\Admin\AppData\Local\Temp\nstA912.tmp\ioSpecial.ini

    Filesize

    634B

    MD5

    d6ce4dca865459a151c83cc9e6ed8dd5

    SHA1

    3a298b0980a0775f05787186d3858c5b8a717829

    SHA256

    1661d4a2f5b5e376178e533b043b9ebaed2381cb01e89d8c4bb0a6521de87343

    SHA512

    47bee228fbf3fe85b3056c5b1de4092b04caab0b5a75bcbc9c1003259e6a608c2fc57bdaf1c1b2d695af1a57b15dd1bc3568f5d8765719916c737ce02ae8bcec

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

    Filesize

    89KB

    MD5

    9111cd15ae20e9466f9f849b7af57ca1

    SHA1

    416420588d49d2a12ad61b6bac94a22be1e1c7fb

    SHA256

    226324be5f0a18c000a6ee22f7083eb4997a10b5778e274fd86ed876e94ad8fd

    SHA512

    ffc4bbe5be308fa36a33678616025a6af3d7ae4b15eaa6991d082ba8d89a1fb5c39bd961f776aff532f2aec88238b699eea20dfa1132a5ce80da32f3613f0b48