Analysis

  • max time kernel
    69s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    09-07-2020 12:20

General

  • Target

    Bank Document_pdf.exe

  • Size

    1.1MB

  • MD5

    40f4e14fd6f7c8e22f1c602f59beb72f

  • SHA1

    b7d5ab968dfc8587c663b74233a58f9fe411dda6

  • SHA256

    9fc5b3395c0fea9aec9e7c6bfce346acd3271500c1cc085859c4270f91e30a94

  • SHA512

    2cd9eb1a572deb01b565320427b2434dd378959c7d1d6cbbb8164d928a71f8b4d79de082001c2fc7522d2b25cd63ba91da9d5b59a83f3708e8bcf03795ba43ba

Malware Config

Signatures

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 use of WriteProcessMemory 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • MassLogger

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Document_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Document_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: EnumeratesProcesses
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\Bank Document_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Bank Document_pdf.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      PID:3428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3428-0-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/3428-2-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/3428-3-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/3428-4-0x0000000002310000-0x00000000023AA000-memory.dmp

    Filesize

    616KB

  • memory/3428-5-0x00000000023E2000-0x00000000023E3000-memory.dmp

    Filesize

    4KB