Overview

overview

10

Static

static

scan-2020-...91.exe

windows7_x64

10

scan-2020-...91.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    72s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 01:13

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General

  • Target

    scan-2020-999101991.exe

  • Size

    886KB

  • MD5

    251f35784cea0bd19916ca312984ec3e

  • SHA1

    3c295311612e4497b12502a370d79666c2d037a9

  • SHA256

    e9c9ae01876b58d0899264f53d7fff1daf70743db47aaf7dfeca86f7217bfcd8

  • SHA512

    4bf524e441a376f42e079a5a977e83804420e865e26d4c2d80fc8dbfa1a63a396f8559448fd43cc6a362563e696e2de9c7b82174e792d019e0148c83fcd36d18

Score
10/10
massloggercollectionransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\79FE0CC911\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 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: 5/25/2022 1:15:45 AM MassLogger Started: 5/25/2022 1:15:33 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes: <|| WD Exclusion ||> Disabled <|| Binder ||> Disabled <|| USB Spread ||> Disabled <|| Downloader ||> Disabled <|| Bot Killer ||> Disabled <|| Window Searcher ||> 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

Signatures

  • MassLogger

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

    stealerspywaremasslogger
  • 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.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
    collection
  • 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 1 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\scan-2020-999101991.exe
    "C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Local\Temp\scan-2020-999101991.exe
      "{path}"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1508

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1508-63-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-66-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-72-0x0000000000860000-0x0000000000874000-memory.dmp
    Filesize

    80KB

    Download
  • memory/1508-71-0x00000000004C5000-0x00000000004D6000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1508-70-0x0000000074E91000-0x0000000074E93000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1508-59-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-69-0x0000000000650000-0x0000000000694000-memory.dmp
    Filesize

    272KB

    Download
  • memory/1508-61-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-58-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-64-0x000000000049419E-mapping.dmp
    Download
  • memory/1508-62-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1508-68-0x0000000000400000-0x000000000049A000-memory.dmp
    Filesize

    616KB

    Download
  • memory/1992-55-0x00000000048A0000-0x000000000496A000-memory.dmp
    Filesize

    808KB

    Download
  • memory/1992-54-0x0000000000B30000-0x0000000000C14000-memory.dmp
    Filesize

    912KB

    Download
  • memory/1992-57-0x0000000000550000-0x00000000005F0000-memory.dmp
    Filesize

    640KB

    Download
  • memory/1992-56-0x0000000000310000-0x0000000000318000-memory.dmp
    Filesize

    32KB

    Download