Analysis

  • max time kernel
    60s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    12/07/2020, 08:22

General

  • Target
    5e46a1a48700186e46692a36167a56ab.exe
  • Size 457KB
  • Sample200712-gexl9a61se
  • SHA256 380cc04bea579540eaa9e5a2b4e89b6696736c02f1602dd51e5ebddf01e9e5da
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of WriteProcessMemory 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.

  • Checks for installed software on the system 1 TTPs 29 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e46a1a48700186e46692a36167a56ab.exe
    "C:\Users\Admin\AppData\Local\Temp\5e46a1a48700186e46692a36167a56ab.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    • Checks for installed software on the system
    PID:1492
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im 5e46a1a48700186e46692a36167a56ab.exe /f & erase C:\Users\Admin\AppData\Local\Temp\5e46a1a48700186e46692a36167a56ab.exe & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im 5e46a1a48700186e46692a36167a56ab.exe /f
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Kills process with taskkill
        PID:1848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1492-0-0x0000000000278000-0x0000000000289000-memory.dmp

        memory/1492-1-0x00000000033E0000-0x00000000033F1000-memory.dmp