Analysis

  • max time kernel
    74s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    17-04-2022 07:53

General

  • Target

    10c50cd37eae7a4ed97db3198606e20fb8eb2ba9449a0f5002b12d6e57e363a8.exe

  • Size

    1.7MB

  • MD5

    979541014106738c5dc9c57dd0db48be

  • SHA1

    c4c4ea7bba5c7e106fd60972adda964391d5b7f0

  • SHA256

    10c50cd37eae7a4ed97db3198606e20fb8eb2ba9449a0f5002b12d6e57e363a8

  • SHA512

    7ad65f3b26c0dc9e4922cc2011ad07424f02a43baf59b84134f313e5e701687e554561b131febbd0251fe15529df222c1c1cd83469e5d9e8b86c2feab5d4a8c7

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\10c50cd37eae7a4ed97db3198606e20fb8eb2ba9449a0f5002b12d6e57e363a8.exe
    "C:\Users\Admin\AppData\Local\Temp\10c50cd37eae7a4ed97db3198606e20fb8eb2ba9449a0f5002b12d6e57e363a8.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:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1280-54-0x00000000011C0000-0x000000000136E000-memory.dmp

    Filesize

    1.7MB

  • memory/1280-55-0x0000000000A50000-0x0000000000AC0000-memory.dmp

    Filesize

    448KB

  • memory/1280-56-0x0000000000B00000-0x0000000000B86000-memory.dmp

    Filesize

    536KB

  • memory/1280-57-0x00000000756E1000-0x00000000756E3000-memory.dmp

    Filesize

    8KB

  • memory/1280-58-0x0000000004FE5000-0x0000000004FF6000-memory.dmp

    Filesize

    68KB