Analysis

  • max time kernel
    86s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 03:06

General

  • Target

    HSBC_SWI.exe

  • Size

    1.3MB

  • MD5

    d1b2d539c4e64daed977e74f059d69ff

  • SHA1

    dad5afc6d77226c8c233fc738f95f1d593adda07

  • SHA256

    13af67261cdde6647fc4c1669ced247f69a2e03b08e62dfea53a3af3d4a867da

  • SHA512

    e722f149ecaa696281538575f6cbf40e95fd42dbdb396c0b49e5ae34de098c4a737599f2accebca6092ba6480291a6aeab16509b9d6313b1ea12eed4ca5939c0

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\8506BBE7FF\Log.txt

Family

masslogger

Ransom Note
<|| v2.4.0.0 ||> User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 6:36:29 AM MassLogger Started: 5/21/2022 6:36:16 AM Interval: 96 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\HSBC_SWI.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| Window Searcher ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Search And Upload ||> Disabled <|| Telegram Desktop ||> Not Installed <|| Pidgin ||> Not Installed <|| FileZilla ||> Not Installed <|| Discord Tokken ||> Not Installed <|| NordVPN ||> Not Installed <|| Outlook ||> Not Installed <|| FoxMail ||> Not Installed <|| Thunderbird ||> Not Installed <|| FireFox ||> Not Found <|| QQ Browser ||> Not Installed <|| Chromium Recovery ||> Not Installed or Not Found <|| Keylogger And Clipboard ||> Disabled

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.copyrap.com
  • Port:
    587
  • Username:
    marbella@copyrap.com
  • Password:
    marbella1597

Signatures

  • MassLogger

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

  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HSBC_SWI.exe
    "C:\Users\Admin\AppData\Local\Temp\HSBC_SWI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\HSBC_SWI.exe
      "C:\Users\Admin\AppData\Local\Temp\HSBC_SWI.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1120

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/1120-64-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-65-0x00000000004B345E-mapping.dmp
  • memory/1120-72-0x00000000050D5000-0x00000000050E6000-memory.dmp
    Filesize

    68KB

  • memory/1120-70-0x0000000000B90000-0x0000000000C08000-memory.dmp
    Filesize

    480KB

  • memory/1120-69-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-59-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-67-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-63-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-60-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1120-62-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/1276-54-0x0000000000C70000-0x0000000000DC4000-memory.dmp
    Filesize

    1.3MB

  • memory/1276-55-0x0000000076C01000-0x0000000076C03000-memory.dmp
    Filesize

    8KB

  • memory/1276-58-0x00000000058C0000-0x0000000005988000-memory.dmp
    Filesize

    800KB

  • memory/1276-57-0x00000000057D0000-0x00000000058C6000-memory.dmp
    Filesize

    984KB

  • memory/1276-56-0x00000000001D0000-0x00000000001E0000-memory.dmp
    Filesize

    64KB