Analysis

  • max time kernel
    76s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    28-08-2020 06:10

General

  • Target

    order9321t.exe

  • Size

    940KB

  • MD5

    397c5bbcc75db8567548322417aa05fd

  • SHA1

    d65b345c5863550cb7c454eedf2de0e16fbd391e

  • SHA256

    72ceeee6538d869e032d33c4cac0b1e51f34b9e32bf1e17f475b5609ddfe0bf8

  • SHA512

    85d71264d951cc6d921b3ae29e716d3e21566daca5bd315d46a9778313573677e5e1feb6339e92c41c2b3256544ec6dc66e49ec7f0ecf9f245500599b74b233b

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main Payload 2 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.

  • 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
  • Drops file in Windows directory 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order9321t.exe
    "C:\Users\Admin\AppData\Local\Temp\order9321t.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YdvIruZxoLuL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DCC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3712
    • C:\Users\Admin\AppData\Local\Temp\order9321t.exe
      "{path}"
      2⤵
        PID:3932
      • C:\Users\Admin\AppData\Local\Temp\order9321t.exe
        "{path}"
        2⤵
        • Checks computer location settings
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4024
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:636

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3488-9-0x00000000073A0000-0x000000000745F000-memory.dmp

      Filesize

      764KB

    • memory/3488-12-0x0000000007A10000-0x0000000007A11000-memory.dmp

      Filesize

      4KB

    • memory/3488-5-0x0000000004A40000-0x0000000004A41000-memory.dmp

      Filesize

      4KB

    • memory/3488-6-0x0000000004B70000-0x0000000004B71000-memory.dmp

      Filesize

      4KB

    • memory/3488-7-0x0000000004DB0000-0x0000000004DB3000-memory.dmp

      Filesize

      12KB

    • memory/3488-8-0x0000000006E80000-0x0000000006E81000-memory.dmp

      Filesize

      4KB

    • memory/3488-0-0x00000000738A0000-0x0000000073F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/3488-10-0x0000000007500000-0x0000000007501000-memory.dmp

      Filesize

      4KB

    • memory/3488-11-0x0000000009B10000-0x0000000009BBF000-memory.dmp

      Filesize

      700KB

    • memory/3488-4-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

      Filesize

      4KB

    • memory/3488-1-0x0000000000150000-0x0000000000151000-memory.dmp

      Filesize

      4KB

    • memory/3488-3-0x00000000050F0000-0x00000000050F1000-memory.dmp

      Filesize

      4KB

    • memory/4024-15-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

    • memory/4024-18-0x00000000738A0000-0x0000000073F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/4024-24-0x0000000007470000-0x0000000007471000-memory.dmp

      Filesize

      4KB