Analysis

  • max time kernel
    98s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 07:38

General

  • Target

    m1pZYGiBFonndjG.exe

  • Size

    1.0MB

  • MD5

    5da5e488f088c67f1bc677baab5b75b8

  • SHA1

    169b9253cfd6bfbf8a67e3e784b94e46dca4e58f

  • SHA256

    e06e5ba87ec0ed09101fcd62c238777c90c6a59be6bba4ced6890250948e6a4b

  • SHA512

    038e377d4651f539e81d7cf05d68612b8c82661926695441cb3987eb4a8f8e812ef428d9a89fdd8928682a2369bd0b273286a29ed8f1ffa3b8890dcd848d51a6

Malware Config

Signatures

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 WriteProcessMemory 13 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • MassLogger

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe
    "C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1464
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OBySigjDNKEBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp319A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1344
    • C:\Users\Admin\AppData\Local\Temp\m1pZYGiBFonndjG.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: AddClipboardFormatListener
      PID:1828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp319A.tmp

  • memory/1344-2-0x0000000000000000-mapping.dmp

  • memory/1464-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1828-4-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1828-5-0x000000000049412E-mapping.dmp

  • memory/1828-6-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1828-7-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB