Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2024 01:35

General

  • Target

    4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a.exe

  • Size

    74KB

  • MD5

    4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a

  • SHA1

    d074a402e336b154d7b833ca9c707549c80f79f4

  • SHA256

    c368fb3b0641c54b038347ee2168a6c344eff4256eb74fc69122d526e2f90c3c

  • SHA512

    46bc53e3f9d0323526c64f4d38a30f6b1aad0ff3b108ef39b0e6d7c4c1030cf9c3cd093855ff073bd6cab0504b69137da45450a24f1cce4dd12fd3cc3b983673

  • SSDEEP

    1536:laHLtZf6yS/JuSkZWeGkqbT3ckFqtLUGQ8ZqLjp3r2WnjMiXJn4Bei9M:laHz6T/JBOQksAkItZQwU3iWdysaM

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 7 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a.exe
    "C:\Users\Admin\AppData\Local\Temp\4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Users\Admin\AppData\Local\Temp\4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a.exe
      C:\Users\Admin\AppData\Local\Temp\4f3b9ee4f1c2fa0675bf3ed8e0b5eb9a.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2768
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3392

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2768-0-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2768-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2768-6-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2768-5-0x0000000000400000-0x0000000000408960-memory.dmp

      Filesize

      34KB

    • memory/2768-7-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/2768-14-0x0000000000400000-0x0000000000408960-memory.dmp

      Filesize

      34KB

    • memory/2768-15-0x0000000010000000-0x0000000010013000-memory.dmp

      Filesize

      76KB

    • memory/3392-9-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

      Filesize

      28KB

    • memory/3392-10-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

      Filesize

      4KB