Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 08:37

General

  • Target

    scan-2020-999101991.exe

  • Size

    886KB

  • MD5

    251f35784cea0bd19916ca312984ec3e

  • SHA1

    3c295311612e4497b12502a370d79666c2d037a9

  • SHA256

    e9c9ae01876b58d0899264f53d7fff1daf70743db47aaf7dfeca86f7217bfcd8

  • SHA512

    4bf524e441a376f42e079a5a977e83804420e865e26d4c2d80fc8dbfa1a63a396f8559448fd43cc6a362563e696e2de9c7b82174e792d019e0148c83fcd36d18

Malware Config

Signatures

  • Looks up external IP address via web service 1 IoCs

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

  • MassLogger

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

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe
    "C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe
      "{path}"
      2⤵
        PID:1780
      • C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        PID:1816

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1156-1-0x0000000000000000-0x0000000000000000-disk.dmp

    • memory/1816-2-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/1816-3-0x000000000049419E-mapping.dmp

    • memory/1816-4-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB

    • memory/1816-5-0x0000000000400000-0x000000000049A000-memory.dmp

      Filesize

      616KB