Analysis

  • max time kernel
    75s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-04-2022 02:10

General

  • Target

    f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b.exe

  • Size

    818KB

  • MD5

    72159f6de42ef2d65fee42a31bbbfcee

  • SHA1

    0fa0a3ec1f1772cba492316866f578c5db09adbd

  • SHA256

    f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b

  • SHA512

    5daea2a9995b9330cd17a2c4676c6aa8eacf18f15f54919b406fdccc1bcbfc74f24ac3656c24dc33734db7e62a022448b767e626ca7faa6a31a4026b29852534

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.greenlifeturkey.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    life@2019

Signatures

  • MassLogger

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

  • MassLogger Main Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b.exe
    "C:\Users\Admin\AppData\Local\Temp\f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b.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:472
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\f850f8dbc4d481d6fe6357e4ecc67d2a576542a63c3ff3561b55905fa5e0786b.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/472-63-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-58-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-74-0x0000000000595000-0x00000000005A6000-memory.dmp

    Filesize

    68KB

  • memory/472-73-0x0000000006510000-0x00000000065A0000-memory.dmp

    Filesize

    576KB

  • memory/472-64-0x000000000048157E-mapping.dmp

  • memory/472-59-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-62-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-66-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-72-0x0000000000960000-0x000000000099E000-memory.dmp

    Filesize

    248KB

  • memory/472-68-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/472-61-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1832-70-0x0000000000000000-mapping.dmp

  • memory/1832-75-0x000000006F070000-0x000000006F61B000-memory.dmp

    Filesize

    5.7MB

  • memory/1948-55-0x0000000076571000-0x0000000076573000-memory.dmp

    Filesize

    8KB

  • memory/1948-56-0x00000000004D0000-0x00000000004EE000-memory.dmp

    Filesize

    120KB

  • memory/1948-57-0x0000000005A40000-0x0000000005AF0000-memory.dmp

    Filesize

    704KB

  • memory/1948-54-0x00000000013D0000-0x00000000014A2000-memory.dmp

    Filesize

    840KB