Analysis

  • max time kernel
    140s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 07:39

General

  • Target

    ZWiW2Y27HUjCG5Y.exe

  • Size

    1.1MB

  • MD5

    a1c4c357d66c06dab0cabe3803e4ba48

  • SHA1

    b665fe8a7806111221819df058202508bbfaea12

  • SHA256

    b7e415a16cfc8d84c09f105709910d808f0ad13e64c7feb4169b135fe57c7f99

  • SHA512

    b39066bc46e18c469ccae10ea33077d999ea1f48c97af662a15e4ab905033ab12ce02c000f6635c55fb854ff27baf6f62c9b373927f3e16b4f9e3d1a5f4a84b0

Malware Config

Signatures

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ZWiW2Y27HUjCG5Y.exe
    "C:\Users\Admin\AppData\Local\Temp\ZWiW2Y27HUjCG5Y.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1668
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pDNxpSlo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp26F0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2020
    • C:\Users\Admin\AppData\Local\Temp\ZWiW2Y27HUjCG5Y.exe
      "{path}"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp26F0.tmp

  • memory/1668-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1832-4-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1832-5-0x000000000049463E-mapping.dmp

  • memory/1832-6-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/1832-7-0x0000000000400000-0x000000000049A000-memory.dmp

    Filesize

    616KB

  • memory/2020-2-0x0000000000000000-mapping.dmp