Analysis

  • max time kernel
    114s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    02-08-2020 04:29

General

  • Target

    SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe

  • Size

    824KB

  • MD5

    061c34015e1bf2e8443e5d6d6678705a

  • SHA1

    fafcdd793afab2ac017342cf5e587b45bc676e0b

  • SHA256

    27d52d4881c4ef9f8f6dea631a6a635ac7e005a8f5170198dd84fca21d79abc9

  • SHA512

    d74d3bd7e5db812fc44446e8a33c2b736e37cf2b0a61bdf712bf0fb4c7c2b6b3e33f83b938046ad215309c1fcbb41ceae9f6c14c86c5208b180164dcdeaf42d7

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\E2C1E8F1FA\Log.txt

Family

masslogger

Ransom Note
<|| v2.1.0.0 ||> User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 8/2/2020 4:30:02 AM MassLogger Started: 8/2/2020 4:29:59 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Window Searcher ||> 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 ||> NA

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • MassLogger log file 1 IoCs

    Detects a log file produced by MassLogger.

  • Suspicious use of WriteProcessMemory 13 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • MassLogger

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe
      "{path}"
      2⤵
        PID:1508
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.60237.32635.28326.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious behavior: AddClipboardFormatListener
        PID:1708

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1612-1-0x0000000000000000-0x0000000000000000-disk.dmp
    • memory/1708-2-0x0000000000400000-0x000000000049A000-memory.dmp
      Filesize

      616KB

    • memory/1708-3-0x000000000049442E-mapping.dmp
    • memory/1708-4-0x0000000000400000-0x000000000049A000-memory.dmp
      Filesize

      616KB

    • memory/1708-5-0x0000000000400000-0x000000000049A000-memory.dmp
      Filesize

      616KB