Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 01:10

General

  • Target

    4825d313af8982b3f67b8568057e2ea0.exe

  • Size

    190KB

  • MD5

    4825d313af8982b3f67b8568057e2ea0

  • SHA1

    10a427c032689681ddac36a4cd1354a6d80cf05b

  • SHA256

    e3d7f868c3fb6684fa8d5847cddc2ee0b542a93646d98bed661ab07adf39499b

  • SHA512

    df74769673e6ff57a0833a3d8e3c204999b3cf9da599a0cd30668f16ee2db3bfb7097c7248098db85ef4a6893e8e0f8486a99940af75cf3b58b481436c3a67da

  • SSDEEP

    3072:gM2gzENCUmCJYYMJAmz0IAC2gUEUf5qrLtFJ4MyVnoJ18I92UASeakkfFJPAO1+V:WyegczMJWI6gPGqrLt74MKoD8IPb3A2Q

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe
    "C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe
      C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
      2⤵
        PID:2668
      • C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe
        C:\Users\Admin\AppData\Local\Temp\4825d313af8982b3f67b8568057e2ea0.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
        2⤵
          PID:2528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2448-2-0x00000000005C0000-0x00000000006C0000-memory.dmp

        Filesize

        1024KB

      • memory/2448-1-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/2448-75-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/2448-79-0x00000000005C0000-0x00000000006C0000-memory.dmp

        Filesize

        1024KB

      • memory/2448-148-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/2528-76-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/2528-77-0x0000000000610000-0x0000000000710000-memory.dmp

        Filesize

        1024KB

      • memory/2528-145-0x0000000000610000-0x0000000000710000-memory.dmp

        Filesize

        1024KB

      • memory/2668-6-0x00000000002B0000-0x00000000003B0000-memory.dmp

        Filesize

        1024KB

      • memory/2668-5-0x0000000000400000-0x000000000048A000-memory.dmp

        Filesize

        552KB

      • memory/2668-143-0x00000000002B0000-0x00000000003B0000-memory.dmp

        Filesize

        1024KB