Analysis

  • max time kernel
    4294179s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    26-03-2022 09:39

General

  • Target

    ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe

  • Size

    1.2MB

  • MD5

    57aed4d62cc8ed78cfb6b18c29d1ae05

  • SHA1

    2ad0e3ee508ed48d9af6c5c980651ffea3274993

  • SHA256

    ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b

  • SHA512

    f24bd2d7dc0bed2d4f1d19fa4e6eb4c3f0f1994d5fd45a68dba1afdbf46d0dbf58883856f8b7cf68f8c3779138f72cdd52cf963ded5d13b6da7e9bea05169052

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.turkaykalibrasyon.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Cc_8A46

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 use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe
    "C:\Users\Admin\AppData\Local\Temp\ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\3bc9d0e4991c4127854c846f1c363314.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\3bc9d0e4991c4127854c846f1c363314.xml"
        3⤵
        • Creates scheduled task(s)
        PID:580
    • C:\Users\Admin\AppData\Local\Temp\ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe
      "C:\Users\Admin\AppData\Local\Temp\ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe"
      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:1656
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ca6dbe9ccf2dbcf8cfa6cb04dada5d7caaa594fbfa83e424dda4f88911b4af6b.exe'
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3bc9d0e4991c4127854c846f1c363314.xml

    Filesize

    1KB

    MD5

    de0568b191c83304806f799becda4ebb

    SHA1

    fa173d7dbcfbff032aed5c0c78f2e77758acfbac

    SHA256

    5a76e8ae2a68014deae6999886f074625e6397692d1578697c76e47a2ba2f442

    SHA512

    1190c6ec33d231d18f52cad4e5ed234f8670fad22acb05292c5cd9dc9a96d3f7cbc6d6dbdca8bf18f9852aff3b0c1a04721f82d7f43133ae66f8c8680f80eb5d

  • memory/1656-61-0x00000000041A0000-0x0000000004226000-memory.dmp

    Filesize

    536KB

  • memory/1656-64-0x00000000046D0000-0x000000000470E000-memory.dmp

    Filesize

    248KB

  • memory/1656-65-0x00000000065E0000-0x0000000006670000-memory.dmp

    Filesize

    576KB

  • memory/1656-66-0x00000000048E9000-0x00000000048FA000-memory.dmp

    Filesize

    68KB

  • memory/1660-67-0x000000006F3D0000-0x000000006F97B000-memory.dmp

    Filesize

    5.7MB

  • memory/1660-68-0x00000000024A0000-0x00000000030EA000-memory.dmp

    Filesize

    12.3MB

  • memory/1776-55-0x0000000000AA0000-0x0000000000B3C000-memory.dmp

    Filesize

    624KB

  • memory/1776-54-0x0000000075C41000-0x0000000075C43000-memory.dmp

    Filesize

    8KB