Analysis

  • max time kernel
    82s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:31

General

  • Target

    New Inquiry-08312020.exe

  • Size

    1.2MB

  • MD5

    930f62764aa710a930de8d85abb9f25f

  • SHA1

    23b090662b3deaadf4e1db64849f8eee06e18a36

  • SHA256

    de00e60ea65a5c4f7804c137b07d6973bdf8fc17ca192035b7976362e978a8d2

  • SHA512

    408f2f2eea634b2fa12f50c22b1da4fe9d6703e245a3a549a080707bf01cb4997578ee3f62a2530c2527eeb355b8aebd871ec25b7fa46107684f30cd08a101e0

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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • 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 behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Inquiry-08312020.exe
    "C:\Users\Admin\AppData\Local\Temp\New Inquiry-08312020.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-54-0x0000000001350000-0x000000000147E000-memory.dmp

    Filesize

    1.2MB

  • memory/864-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

    Filesize

    8KB

  • memory/864-56-0x0000000000310000-0x0000000000320000-memory.dmp

    Filesize

    64KB

  • memory/864-57-0x0000000005530000-0x00000000055F6000-memory.dmp

    Filesize

    792KB

  • memory/864-58-0x0000000004E30000-0x0000000004EC6000-memory.dmp

    Filesize

    600KB

  • memory/864-59-0x00000000051E0000-0x0000000005266000-memory.dmp

    Filesize

    536KB

  • memory/864-60-0x0000000004FE5000-0x0000000004FF6000-memory.dmp

    Filesize

    68KB