Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-03-2024 19:35

General

  • Target

    uninstall.exe

  • Size

    442KB

  • MD5

    1cfaf32714bda91f4cb7ede7d7118974

  • SHA1

    f6e3ce246751c4692cfec88ae5832c7670f32aae

  • SHA256

    d0a8add51ef59e7bd1f0c9dc015bb85ae44be8b3b468a38fa1fcc60555519cd5

  • SHA512

    91d16fa33d5e027740756d4d2cbe88f6c35162106bc059f565981724395e9a5e7559255e3d01356b7efb15ee6ed54ecc414b53d444eb560c9b258e3d484f611f

  • SSDEEP

    6144:0e34umb13SbMGb7xS0O6dSeNRTvzVIGHjZm7qGmsp3dH09y/SdwZzg8ANBTbRUJp:XmJMRo0dHvZjZLGFSGzBg8EtbQd/

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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\uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2116
    • 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:3056
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsoF609.tmp\aminsis.dll

      Filesize

      834KB

      MD5

      14ad04243334645f399639b028f21d17

      SHA1

      7368866dc95621a1407d2105d040da2cc9852ba9

      SHA256

      02d13f28df1314640474ee77cd202a2c0da8e1d609c614f8fdff4451f8ee63fa

      SHA512

      3859b6f6e7e46ba70fa0be24fd2ceadf3db746818f11a09109c7bb678ee4fc08824a0cf15c77df09c3b2bdc2a80067a98130660152f5ee61e4bd501ef5ed1728

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

      Filesize

      442KB

      MD5

      1cfaf32714bda91f4cb7ede7d7118974

      SHA1

      f6e3ce246751c4692cfec88ae5832c7670f32aae

      SHA256

      d0a8add51ef59e7bd1f0c9dc015bb85ae44be8b3b468a38fa1fcc60555519cd5

      SHA512

      91d16fa33d5e027740756d4d2cbe88f6c35162106bc059f565981724395e9a5e7559255e3d01356b7efb15ee6ed54ecc414b53d444eb560c9b258e3d484f611f