Analysis

  • max time kernel
    69s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:05

General

  • Target

    ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153.exe

  • Size

    916KB

  • MD5

    9fb349f53e2f2a3c9c4d861c2be9d34d

  • SHA1

    0a7b443d12c57959ae5197c58615d0cdd2f8e5c0

  • SHA256

    ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153

  • SHA512

    f1c5b31d61148372e17496a2ecea47abf955f0e76243c3470a8dd2a2c5faa55c440f87141a56638de22e25b1420f2b88c9c105bfe90fb040edb8279d61d2f224

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 6 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153.exe
    "C:\Users\Admin\AppData\Local\Temp\ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1940
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ab0a502bd72ea956ae55776e9ce491f5696d901eabfbbb10e99fd188f3ccf153.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1156-54-0x0000000000BA0000-0x0000000000C8C000-memory.dmp

    Filesize

    944KB

  • memory/1156-55-0x0000000075271000-0x0000000075273000-memory.dmp

    Filesize

    8KB

  • memory/1156-56-0x00000000005C0000-0x00000000005CA000-memory.dmp

    Filesize

    40KB

  • memory/1156-57-0x00000000075C0000-0x0000000007678000-memory.dmp

    Filesize

    736KB

  • memory/1156-58-0x00000000076B0000-0x0000000007768000-memory.dmp

    Filesize

    736KB

  • memory/1676-76-0x000000006ED90000-0x000000006F33B000-memory.dmp

    Filesize

    5.7MB

  • memory/1676-71-0x0000000000000000-mapping.dmp

  • memory/1940-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-64-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-65-0x0000000000481B3E-mapping.dmp

  • memory/1940-67-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-69-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-60-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1940-73-0x0000000004115000-0x0000000004126000-memory.dmp

    Filesize

    68KB

  • memory/1940-74-0x00000000056F0000-0x000000000572E000-memory.dmp

    Filesize

    248KB

  • memory/1940-75-0x00000000059D0000-0x0000000005A60000-memory.dmp

    Filesize

    576KB

  • memory/1940-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB