Analysis

  • max time kernel
    101s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:49

General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.10947.8437.exe

  • Size

    1MB

  • MD5

    3be3c1887150138d2b8b20900b5af92e

  • SHA1

    3f4bc4ee99ebd3d1d97146c82b1d9b2a9ff1f3a7

  • SHA256

    7bfa8287efe94726b341443f10b3fc7aeb71d32f3138bec5557a401cc0cbbe15

  • SHA512

    aba5162e0c4f350f1eaf8828f0387a6d496bdb8864bae5e5b4d6d7bde920126619f32f2bb227689054ad4d0a055a849d74ed15208f2561504cec56e1eaa280ca

  • SSDEEP

    24576:GIvle7cX8eG1foTS63xQ3wQEX8k3VjyWVADdEPf:GI9e7cXVT3xEEMk30WVVP

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: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.10947.8437.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.10947.8437.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1372

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1372-54-0x0000000000DD0000-0x0000000000EFE000-memory.dmp
    Filesize

    1MB

  • memory/1372-55-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

  • memory/1372-56-0x0000000000310000-0x0000000000326000-memory.dmp
    Filesize

    88KB

  • memory/1372-57-0x0000000000330000-0x000000000033E000-memory.dmp
    Filesize

    56KB

  • memory/1372-58-0x00000000057F0000-0x00000000058CA000-memory.dmp
    Filesize

    872KB

  • memory/1372-59-0x0000000005990000-0x0000000005A34000-memory.dmp
    Filesize

    656KB

  • memory/1372-60-0x0000000005000000-0x0000000005084000-memory.dmp
    Filesize

    528KB

  • memory/1372-61-0x0000000000A85000-0x0000000000A96000-memory.dmp
    Filesize

    68KB

  • memory/1372-62-0x0000000000A85000-0x0000000000A96000-memory.dmp
    Filesize

    68KB