Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-05-2024 11:02

General

  • Target

    uninst.exe

  • Size

    33KB

  • MD5

    c51798315db65135c51f2574fa021096

  • SHA1

    21882402dcf0e253e74cb19f6b76b5ff57e8cc25

  • SHA256

    829cbfdb3bd8a54320ab6084c415ff3025a39ef72a58a6c465782c3a51707ec6

  • SHA512

    45db5e2f36b58c9e6adce2fc66974cda111bae9d851f70f6f35d9d19201634acc56e6b7f372d730e1b8f1335a4af89d60ad2115827cddce54d53a441fd64cbb1

  • SSDEEP

    768:TXKsDnvuB3hRx867tuXLx5Ro2NP0u6X71F38s1mJlHu4:LKsTvudhg67q1mX7BmJlHz

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • 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 use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\uninst.exe
    "C:\Users\Admin\AppData\Local\Temp\uninst.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1096
    • 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⤵
      • Deletes itself
      • Executes dropped EXE
      PID:2104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    c51798315db65135c51f2574fa021096

    SHA1

    21882402dcf0e253e74cb19f6b76b5ff57e8cc25

    SHA256

    829cbfdb3bd8a54320ab6084c415ff3025a39ef72a58a6c465782c3a51707ec6

    SHA512

    45db5e2f36b58c9e6adce2fc66974cda111bae9d851f70f6f35d9d19201634acc56e6b7f372d730e1b8f1335a4af89d60ad2115827cddce54d53a441fd64cbb1