Analysis

  • max time kernel
    147s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 18:49

General

  • Target

    3ac86c4ec5a90ec6e42323a1140f97fb.exe

  • Size

    70KB

  • MD5

    3ac86c4ec5a90ec6e42323a1140f97fb

  • SHA1

    9424f200f0a76409d2b1567762c449ea2023f90d

  • SHA256

    facadd5fbff3d577a0b0f107ac32ee67dbf06d2fe15f11b1ddfb3ddd1bec580e

  • SHA512

    a3c97aedc1e5cac62ece5730b5803c93f33b78af56076da77f8033db89f5abc233ef9bd8899684e2b0977fb801268a782024256fd4ba5121eb6992284dde3b27

  • SSDEEP

    1536:p4q8Q1xZtffrb8sjPFNhTYsFFrzckH2fmitF07Q:qKtfDwsjPThTYszDH2fD07Q

Score
7/10

Malware Config

Signatures

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

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ac86c4ec5a90ec6e42323a1140f97fb.exe
    "C:\Users\Admin\AppData\Local\Temp\3ac86c4ec5a90ec6e42323a1140f97fb.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4CA9.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:6080
      • C:\Users\Admin\AppData\Local\Temp\3ac86c4ec5a90ec6e42323a1140f97fb.exe
        "C:\Users\Admin\AppData\Local\Temp\3ac86c4ec5a90ec6e42323a1140f97fb.exe"
        3⤵
        • Executes dropped EXE
        PID:5084
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1848
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3420

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\Logo1_.exe

      Filesize

      58KB

      MD5

      4fa958b596699f500df777447c591960

      SHA1

      32921f65b13e54f70d7a87aa4d4d13d38acfc409

      SHA256

      c7fa3042c274ccd3ac9e1754c144ae3b5b08f1445f59fb87d292cf3caccb80b6

      SHA512

      2689c546b3c709be059ec6735691e6fa9c179ef94f4ca108eacfce31a7c6b2f3ee90079f8b81f4dbf143852a690d48a6c5bd94fa918a1cc5996b8bb6266d8d01

    • memory/1344-6-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/1848-223-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/5084-22-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB