Analysis

  • max time kernel
    91s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 14:42

General

  • Target

    93f6f54f947d4f97f15eace1495a1ec562c60938c9fbc2901add9c6127629276.exe

  • Size

    903KB

  • MD5

    9ff55914a429876a254202522e019c3e

  • SHA1

    eec1afc3ea7464d0d321d05d49414f5789f0230a

  • SHA256

    93f6f54f947d4f97f15eace1495a1ec562c60938c9fbc2901add9c6127629276

  • SHA512

    0edb7f9b8817206403325a5759c5169e83417dcf3de89fb402f65e007c297e8118a7dd570b25c3109f0d1a10c1622c9bc51e565bedab440713c4ea2c2c0cb81a

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\93f6f54f947d4f97f15eace1495a1ec562c60938c9fbc2901add9c6127629276.exe
    "C:\Users\Admin\AppData\Local\Temp\93f6f54f947d4f97f15eace1495a1ec562c60938c9fbc2901add9c6127629276.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:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2024-54-0x00000000000E0000-0x00000000001C8000-memory.dmp

    Filesize

    928KB

  • memory/2024-55-0x0000000000530000-0x0000000000598000-memory.dmp

    Filesize

    416KB

  • memory/2024-56-0x0000000004A10000-0x0000000004A96000-memory.dmp

    Filesize

    536KB

  • memory/2024-57-0x0000000004AD5000-0x0000000004AE6000-memory.dmp

    Filesize

    68KB