Analysis

  • max time kernel
    121s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17/11/2020, 12:02

General

  • Target
    622a5a45bb1ca80c65ac9ba3f10ef053.exe
  • Size 512KB
  • Sample201117-36d5m3z5ce
  • SHA256 756e7cb702fa69a36bdb3a99b16d2bb2f8cdb97f7f41d7b50bbc19f58ff6b356
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 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.

  • JavaScript code in executable 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\622a5a45bb1ca80c65ac9ba3f10ef053.exe
    "C:\Users\Admin\AppData\Local\Temp\622a5a45bb1ca80c65ac9ba3f10ef053.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\622a5a45bb1ca80c65ac9ba3f10ef053.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\timeout.exe
        timeout /T 10 /NOBREAK
        3⤵
        • Delays execution with timeout.exe
        PID:2024

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/240-0-0x00000000023FA000-0x000000000240B000-memory.dmp

        memory/240-1-0x0000000002620000-0x0000000002631000-memory.dmp

        memory/1136-3-0x000007FEF62E0000-0x000007FEF655A000-memory.dmp