Analysis

  • max time kernel
    202s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    12-05-2022 11:45

General

  • Target

    18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689.exe

  • Size

    808KB

  • MD5

    d239a049a6e4eb2cb428d7905a98ac37

  • SHA1

    58ae995ee60b72fdac3c46caca6b2e4e5f65b847

  • SHA256

    18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689

  • SHA512

    4ea8e18c6e321aecbbca84afd6637e9442193e79638502af77fff54edbda98038af9a35d2e838fd5cbed34da50d08c051f2653dbffb8abb6201dd15250a0bc6c

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689.exe
    "C:\Users\Admin\AppData\Local\Temp\18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Users\Admin\AppData\Local\Temp\18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689.exe
      "{path}"
      2⤵
        PID:2440
      • C:\Users\Admin\AppData\Local\Temp\18f4035381c01ac7eba826bf786103b091ce6f0c05943722a2996dbf14744689.exe
        "{path}"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2888

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2440-135-0x0000000000000000-mapping.dmp

    • memory/2888-136-0x0000000000000000-mapping.dmp

    • memory/2888-137-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/2888-138-0x0000000006CB0000-0x0000000006D16000-memory.dmp

      Filesize

      408KB

    • memory/5048-130-0x0000000000D10000-0x0000000000DE0000-memory.dmp

      Filesize

      832KB

    • memory/5048-131-0x0000000005AF0000-0x0000000006094000-memory.dmp

      Filesize

      5.6MB

    • memory/5048-132-0x0000000005640000-0x00000000056D2000-memory.dmp

      Filesize

      584KB

    • memory/5048-133-0x00000000056F0000-0x00000000056FA000-memory.dmp

      Filesize

      40KB

    • memory/5048-134-0x0000000008E40000-0x0000000008EDC000-memory.dmp

      Filesize

      624KB