Analysis

  • max time kernel
    21s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    25/07/2021, 11:27

General

  • Target
    c5fc0f2f78cc225cf44b3b971e302471.exe
  • Size 575KB
  • Sample210725-prl5sd262n
  • SHA256 fdab0d14b8ed077af72b54dc7b78f1f458b7fe1d57758d8ed64a26a0d74eff64
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Downloads MZ/PE file
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5fc0f2f78cc225cf44b3b971e302471.exe
    "C:\Users\Admin\AppData\Local\Temp\c5fc0f2f78cc225cf44b3b971e302471.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c5fc0f2f78cc225cf44b3b971e302471.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3344
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2104

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/912-114-0x00000000021E0000-0x0000000002273000-memory.dmp

        memory/912-115-0x0000000000400000-0x00000000004AB000-memory.dmp