Analysis

  • max time kernel
    106s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 10:57

General

  • Target

    dd7d2a2eb7397a70faaa67c0a631de6665faf3df0d1f1cb56b9409fd136e06be.exe

  • Size

    2.4MB

  • MD5

    1c1b0cb5d44e9603d7584fcdfa037755

  • SHA1

    8ed911f3e74fde0fdb080f102267be614a9984d7

  • SHA256

    dd7d2a2eb7397a70faaa67c0a631de6665faf3df0d1f1cb56b9409fd136e06be

  • SHA512

    3a1b44194967250329f1d46a68a5ca86a0cc0f57caaf6e914196144f441049c411b2ff0b112065aa756ce87f9f8d84a2310fdf33209df1981b76689fd8662db0

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 6 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\dd7d2a2eb7397a70faaa67c0a631de6665faf3df0d1f1cb56b9409fd136e06be.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7d2a2eb7397a70faaa67c0a631de6665faf3df0d1f1cb56b9409fd136e06be.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:1224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1224-54-0x0000000000BE0000-0x0000000000E4C000-memory.dmp

    Filesize

    2.4MB

  • memory/1224-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

    Filesize

    8KB

  • memory/1224-56-0x0000000000700000-0x0000000000768000-memory.dmp

    Filesize

    416KB

  • memory/1224-57-0x00000000044F0000-0x0000000004576000-memory.dmp

    Filesize

    536KB

  • memory/1224-58-0x00000000044B5000-0x00000000044C6000-memory.dmp

    Filesize

    68KB