Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 15:06

General

  • Target

    Uninstall.exe

  • Size

    92KB

  • MD5

    e55df9069ff5849cd97503548a7dca56

  • SHA1

    c355709042c60b8e2bf1affb21afa2e8fc399341

  • SHA256

    546640a1f3e28dc96a58fefb3cab1829ea1fc2c973cc37da08dc69cac6e3e685

  • SHA512

    a3658179dd2c2d6a11dc1709d6eed3d36652ccd9778c1cc4dbf1a8f9bf35fb7ac2e47fdf049349b2c75808d6a823d7e5e5e4c3f0a6adda119e2baef09669d6a3

  • SSDEEP

    1536:Byiit01zQf7Cx02zXEgbdPJtK3BJ7gdLeAyNN5qhPEm/Y7eXpDjDT:CO1zQzGxo3BJ7ceA4q1RfpLT

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 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2904
    • 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
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    e55df9069ff5849cd97503548a7dca56

    SHA1

    c355709042c60b8e2bf1affb21afa2e8fc399341

    SHA256

    546640a1f3e28dc96a58fefb3cab1829ea1fc2c973cc37da08dc69cac6e3e685

    SHA512

    a3658179dd2c2d6a11dc1709d6eed3d36652ccd9778c1cc4dbf1a8f9bf35fb7ac2e47fdf049349b2c75808d6a823d7e5e5e4c3f0a6adda119e2baef09669d6a3

  • memory/1244-10-0x0000000000400000-0x00000000007BD000-memory.dmp

    Filesize

    3.7MB

  • memory/2904-5-0x0000000000400000-0x00000000007BD000-memory.dmp

    Filesize

    3.7MB